GET /api/unimod/?format=api&offset=360&ordering=accession
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
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                {
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                    "id": "spec_1_classification",
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                    "id": "spec_1_misc_notes",
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                    "id": "record_id",
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                    "id": "spec_1_position",
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                    "id": "delta_mono_mass",
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            "accession": "UNIMOD:1387",
            "name": "3-phosphoglyceryl",
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                {
                    "id": "delta_composition",
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                    "id": "username_of_poster",
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                    "id": "delta_avge_mass",
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                    "id": "spec_1_site",
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                    "id": "record_id",
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                    "id": "delta_mono_mass",
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                    "id": "date_time_posted",
                    "description": "2013-08-05 10:54:22"
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                    "id": "date_time_modified",
                    "description": "2013-11-01 16:34:45"
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        },
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            "accession": "UNIMOD:1388",
            "name": "HN2_mustard",
            "definition": "Modification by hydroxylated mechloroethamine (HN-2).",
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                {
                    "id": "delta_composition",
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                    "id": "spec_3_hidden",
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                    "id": "username_of_poster",
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                    "id": "delta_avge_mass",
                    "description": "101.1469"
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                    "id": "group_of_poster",
                    "description": ""
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                {
                    "id": "spec_1_site",
                    "description": "C"
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                {
                    "id": "spec_1_classification",
                    "description": "Post-translational"
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                {
                    "id": "spec_2_group",
                    "description": "2"
                },
                {
                    "id": "spec_2_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_2_classification",
                    "description": "Post-translational"
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                {
                    "id": "spec_3_position",
                    "description": "Anywhere"
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                {
                    "id": "delta_mono_mass",
                    "description": "101.084064"
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                    "id": "spec_2_hidden",
                    "description": "1"
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                {
                    "id": "spec_1_hidden",
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                {
                    "id": "spec_2_site",
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                    "id": "spec_3_classification",
                    "description": "Post-translational"
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                    "id": "record_id",
                    "description": "1388"
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                    "id": "spec_3_site",
                    "description": "K"
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                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
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                {
                    "id": "date_time_posted",
                    "description": "2013-08-23 18:36:39"
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                    "id": "approved",
                    "description": "0"
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                    "id": "date_time_modified",
                    "description": "2013-09-23 11:42:40"
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                {
                    "id": "spec_3_group",
                    "description": "3"
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            ]
        },
        {
            "accession": "UNIMOD:1389",
            "name": "HN3_mustard",
            "definition": "Modification by hydroxylated tris-(2-chloroethyl)amine (HN-3).",
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                {
                    "id": "delta_composition",
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                    "id": "spec_1_group",
                    "description": "1"
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                {
                    "id": "spec_3_hidden",
                    "description": "1"
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                {
                    "id": "username_of_poster",
                    "description": "vthompson"
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                {
                    "id": "delta_avge_mass",
                    "description": "131.1729"
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                {
                    "id": "group_of_poster",
                    "description": ""
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                {
                    "id": "spec_1_site",
                    "description": "C"
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                {
                    "id": "spec_1_classification",
                    "description": "Post-translational"
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                {
                    "id": "spec_2_group",
                    "description": "2"
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                {
                    "id": "spec_2_position",
                    "description": "Anywhere"
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                {
                    "id": "spec_2_classification",
                    "description": "Post-translational"
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                {
                    "id": "spec_3_position",
                    "description": "Anywhere"
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                {
                    "id": "delta_mono_mass",
                    "description": "131.094629"
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                {
                    "id": "spec_2_hidden",
                    "description": "1"
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                    "id": "spec_1_hidden",
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                    "id": "spec_2_site",
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                    "id": "spec_3_classification",
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                    "id": "record_id",
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                    "id": "spec_3_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
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                {
                    "id": "date_time_posted",
                    "description": "2013-08-23 19:13:36"
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                    "id": "approved",
                    "description": "0"
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                    "id": "date_time_modified",
                    "description": "2013-09-23 11:42:08"
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                    "id": "spec_3_group",
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            ]
        },
        {
            "accession": "UNIMOD:139",
            "name": "Dansyl",
            "definition": "5-dimethylaminonaphthalene-1-sulfonyl.",
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                {
                    "id": "delta_composition",
                    "description": "H(11) C(12) N O(2) S"
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                {
                    "id": "spec_1_group",
                    "description": "1"
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                {
                    "id": "username_of_poster",
                    "description": "allis"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "233.2862"
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                {
                    "id": "group_of_poster",
                    "description": "users"
                },
                {
                    "id": "spec_1_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "spec_2_group",
                    "description": "2"
                },
                {
                    "id": "spec_2_position",
                    "description": "Any N-term"
                },
                {
                    "id": "spec_2_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "233.051049"
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                {
                    "id": "spec_2_hidden",
                    "description": "1"
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                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_2_site",
                    "description": "N-term"
                },
                {
                    "id": "record_id",
                    "description": "139"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "date_time_posted",
                    "description": "2003-08-19 02:51:24"
                },
                {
                    "id": "approved",
                    "description": "1"
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                {
                    "id": "date_time_modified",
                    "description": "2006-10-16 15:36:09"
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            ]
        },
        {
            "accession": "UNIMOD:1390",
            "name": "Oxidation+NEM",
            "definition": "N-ethylmaleimide on cysteine sulfenic acid.",
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                {
                    "id": "delta_composition",
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                    "id": "spec_1_group",
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                {
                    "id": "username_of_poster",
                    "description": "jheld"
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                {
                    "id": "delta_avge_mass",
                    "description": "141.1247"
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                {
                    "id": "group_of_poster",
                    "description": ""
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                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "C"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Chemical derivative"
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                {
                    "id": "record_id",
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                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
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                    "id": "delta_mono_mass",
                    "description": "141.042593"
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                {
                    "id": "date_time_posted",
                    "description": "2013-10-16 15:31:20"
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                {
                    "id": "approved",
                    "description": "0"
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                    "id": "date_time_modified",
                    "description": "2013-11-01 16:37:00"
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            ]
        },
        {
            "accession": "UNIMOD:1391",
            "name": "NHS-fluorescein",
            "definition": "Fluorescein-hexanoate-NHS hydrolysis.",
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                {
                    "id": "delta_composition",
                    "description": "H(21) C(27) N O(7)"
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                {
                    "id": "spec_1_group",
                    "description": "1"
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                {
                    "id": "username_of_poster",
                    "description": "cgadelha"
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                {
                    "id": "delta_avge_mass",
                    "description": "471.4581"
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                {
                    "id": "group_of_poster",
                    "description": ""
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                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
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                {
                    "id": "spec_1_classification",
                    "description": "Chemical derivative"
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                    "id": "record_id",
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                    "id": "spec_1_position",
                    "description": "Anywhere"
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                    "id": "delta_mono_mass",
                    "description": "471.131802"
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                    "id": "date_time_posted",
                    "description": "2013-10-18 12:14:19"
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                    "id": "approved",
                    "description": "0"
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                    "id": "date_time_modified",
                    "description": "2013-11-01 16:37:42"
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            ]
        },
        {
            "accession": "UNIMOD:1392",
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                {
                    "id": "delta_composition",
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                    "id": "spec_1_group",
                    "description": "1"
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                    "id": "spec_3_hidden",
                    "description": "1"
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                {
                    "id": "username_of_poster",
                    "description": "unimod"
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                    "id": "delta_avge_mass",
                    "description": "217.2527"
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                {
                    "id": "spec_4_position",
                    "description": "Anywhere"
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                {
                    "id": "group_of_poster",
                    "description": ""
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                {
                    "id": "spec_1_site",
                    "description": "K"
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                {
                    "id": "spec_1_classification",
                    "description": "Isotopic label"
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                {
                    "id": "spec_2_group",
                    "description": "2"
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                {
                    "id": "spec_2_position",
                    "description": "Any N-term"
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                {
                    "id": "spec_4_site",
                    "description": "Y"
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                {
                    "id": "spec_2_classification",
                    "description": "Isotopic label"
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                {
                    "id": "spec_3_position",
                    "description": "Protein N-term"
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                {
                    "id": "delta_mono_mass",
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                {
                    "id": "spec_4_misc_notes",
                    "description": "Low abundance"
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                    "id": "spec_2_hidden",
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                {
                    "id": "spec_1_hidden",
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                    "id": "spec_4_hidden",
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                    "id": "spec_2_site",
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                    "id": "spec_3_classification",
                    "description": "Isotopic label"
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                {
                    "id": "record_id",
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                {
                    "id": "spec_3_site",
                    "description": "N-term"
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                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_4_group",
                    "description": "4"
                },
                {
                    "id": "spec_4_classification",
                    "description": "Isotopic label"
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                    "id": "date_time_posted",
                    "description": "2013-11-06 11:18:58"
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                {
                    "id": "approved",
                    "description": "0"
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                {
                    "id": "date_time_modified",
                    "description": "2016-09-22 14:39:36"
                },
                {
                    "id": "spec_3_group",
                    "description": "3"
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            ]
        },
        {
            "accession": "UNIMOD:1393",
            "name": "DiART6plex115",
            "definition": "Accurate mass for DiART6plex 115.",
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                {
                    "id": "delta_composition",
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                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "217.2535"
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                {
                    "id": "spec_4_position",
                    "description": "Anywhere"
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                {
                    "id": "group_of_poster",
                    "description": ""
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                {
                    "id": "spec_1_site",
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                    "id": "spec_1_classification",
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                    "id": "spec_4_site",
                    "description": "Y"
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                    "id": "spec_2_classification",
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                    "id": "spec_3_position",
                    "description": "Protein N-term"
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                {
                    "id": "delta_mono_mass",
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                {
                    "id": "spec_4_misc_notes",
                    "description": "Low abundance"
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                {
                    "id": "spec_2_hidden",
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                {
                    "id": "spec_1_hidden",
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                    "id": "spec_4_hidden",
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                    "id": "spec_2_site",
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                {
                    "id": "spec_3_classification",
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                },
                {
                    "id": "record_id",
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                {
                    "id": "spec_3_site",
                    "description": "N-term"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_4_group",
                    "description": "4"
                },
                {
                    "id": "spec_4_classification",
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                {
                    "id": "date_time_posted",
                    "description": "2013-11-06 11:34:33"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2013-11-06 11:34:33"
                },
                {
                    "id": "spec_3_group",
                    "description": "3"
                }
            ]
        },
        {
            "accession": "UNIMOD:1394",
            "name": "DiART6plex116/119",
            "definition": "Accurate mass for DiART6plex 116 and 119.",
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                {
                    "id": "delta_composition",
                    "description": "H(18) 2H(2) C(9) 13C(2) N 15N O(2)"
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                {
                    "id": "spec_1_group",
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                {
                    "id": "spec_3_hidden",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "217.2797"
                },
                {
                    "id": "spec_4_position",
                    "description": "Anywhere"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_2_group",
                    "description": "2"
                },
                {
                    "id": "spec_2_position",
                    "description": "Any N-term"
                },
                {
                    "id": "spec_4_site",
                    "description": "Y"
                },
                {
                    "id": "spec_2_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_3_position",
                    "description": "Protein N-term"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "217.168776"
                },
                {
                    "id": "spec_4_misc_notes",
                    "description": "Low abundance"
                },
                {
                    "id": "spec_2_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_4_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_2_site",
                    "description": "N-term"
                },
                {
                    "id": "spec_3_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "record_id",
                    "description": "1394"
                },
                {
                    "id": "spec_3_site",
                    "description": "N-term"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_4_group",
                    "description": "4"
                },
                {
                    "id": "spec_4_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "date_time_posted",
                    "description": "2013-11-06 11:35:52"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2013-11-06 11:38:53"
                },
                {
                    "id": "spec_3_group",
                    "description": "3"
                }
            ]
        },
        {
            "accession": "UNIMOD:1395",
            "name": "DiART6plex117",
            "definition": "Accurate mass for DiART6plex 117.",
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                {
                    "id": "delta_composition",
                    "description": "H(18) 2H(2) C(10) 13C 15N(2) O(2)"
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                {
                    "id": "spec_1_group",
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                    "id": "spec_3_hidden",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
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                {
                    "id": "delta_avge_mass",
                    "description": "217.2805"
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                {
                    "id": "spec_4_position",
                    "description": "Anywhere"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_2_group",
                    "description": "2"
                },
                {
                    "id": "spec_2_position",
                    "description": "Any N-term"
                },
                {
                    "id": "spec_4_site",
                    "description": "Y"
                },
                {
                    "id": "spec_2_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_3_position",
                    "description": "Protein N-term"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "217.162456"
                },
                {
                    "id": "spec_4_misc_notes",
                    "description": "Low abundance"
                },
                {
                    "id": "spec_2_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_4_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_2_site",
                    "description": "N-term"
                },
                {
                    "id": "spec_3_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "record_id",
                    "description": "1395"
                },
                {
                    "id": "spec_3_site",
                    "description": "N-term"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_4_group",
                    "description": "4"
                },
                {
                    "id": "spec_4_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "date_time_posted",
                    "description": "2013-11-06 11:40:01"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2013-11-06 11:40:01"
                },
                {
                    "id": "spec_3_group",
                    "description": "3"
                }
            ]
        },
        {
            "accession": "UNIMOD:1396",
            "name": "DiART6plex118",
            "definition": "Accurate mass for DiART6plex 118.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(18) 2H(2) C(8) 13C(3) N(2) O(2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "spec_3_hidden",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "217.279"
                },
                {
                    "id": "spec_4_position",
                    "description": "Anywhere"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_2_group",
                    "description": "2"
                },
                {
                    "id": "spec_2_position",
                    "description": "Any N-term"
                },
                {
                    "id": "spec_4_site",
                    "description": "Y"
                },
                {
                    "id": "spec_2_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_3_position",
                    "description": "Protein N-term"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "217.175096"
                },
                {
                    "id": "spec_4_misc_notes",
                    "description": "Low abundance"
                },
                {
                    "id": "spec_2_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_4_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_2_site",
                    "description": "N-term"
                },
                {
                    "id": "spec_3_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "record_id",
                    "description": "1396"
                },
                {
                    "id": "spec_3_site",
                    "description": "N-term"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_4_group",
                    "description": "4"
                },
                {
                    "id": "spec_4_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "date_time_posted",
                    "description": "2013-11-06 11:40:58"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2013-11-06 11:40:58"
                },
                {
                    "id": "spec_3_group",
                    "description": "3"
                }
            ]
        },
        {
            "accession": "UNIMOD:1397",
            "name": "Iodoacetanilide",
            "definition": "Iodoacetanilide derivative.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(7) C(8) N O"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "spec_3_hidden",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "kcook123"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "133.1473"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_site",
                    "description": "C"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "spec_2_group",
                    "description": "2"
                },
                {
                    "id": "spec_2_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_2_classification",
                    "description": "Artefact"
                },
                {
                    "id": "spec_3_position",
                    "description": "Any N-term"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "133.052764"
                },
                {
                    "id": "spec_2_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_2_site",
                    "description": "K"
                },
                {
                    "id": "spec_3_classification",
                    "description": "Artefact"
                },
                {
                    "id": "record_id",
                    "description": "1397"
                },
                {
                    "id": "spec_3_site",
                    "description": "N-term"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "date_time_posted",
                    "description": "2013-12-10 04:26:07"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2014-03-01 17:35:50"
                },
                {
                    "id": "spec_3_group",
                    "description": "3"
                }
            ]
        },
        {
            "accession": "UNIMOD:1398",
            "name": "Iodoacetanilide:13C(6)",
            "definition": "13C labelled iodoacetanilide derivative.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(7) C(2) 13C(6) N O"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "spec_3_hidden",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "kcook123"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "139.1032"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_site",
                    "description": "C"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "spec_2_group",
                    "description": "2"
                },
                {
                    "id": "spec_2_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_2_classification",
                    "description": "Artefact"
                },
                {
                    "id": "spec_3_position",
                    "description": "Any N-term"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "139.072893"
                },
                {
                    "id": "spec_2_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_2_site",
                    "description": "K"
                },
                {
                    "id": "spec_3_classification",
                    "description": "Artefact"
                },
                {
                    "id": "record_id",
                    "description": "1398"
                },
                {
                    "id": "spec_3_site",
                    "description": "N-term"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "date_time_posted",
                    "description": "2013-12-10 04:31:00"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2014-03-01 17:36:23"
                },
                {
                    "id": "spec_3_group",
                    "description": "3"
                }
            ]
        },
        {
            "accession": "UNIMOD:1399",
            "name": "Dap-DSP",
            "definition": "Diaminopimelic acid-DSP monolinked.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(20) C(13) N(2) O(6) S(2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "spec_3_hidden",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "grigorios"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "364.4377"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_site",
                    "description": "A"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Non-standard residue"
                },
                {
                    "id": "spec_2_group",
                    "description": "2"
                },
                {
                    "id": "spec_2_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_2_classification",
                    "description": "Non-standard residue"
                },
                {
                    "id": "spec_3_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "364.076278"
                },
                {
                    "id": "spec_2_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_2_site",
                    "description": "E"
                },
                {
                    "id": "spec_3_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "record_id",
                    "description": "1399"
                },
                {
                    "id": "spec_3_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "date_time_posted",
                    "description": "2014-02-20 11:23:24"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2017-09-19 11:06:41"
                },
                {
                    "id": "spec_3_group",
                    "description": "3"
                }
            ]
        },
        {
            "accession": "UNIMOD:140",
            "name": "a-type-ion",
            "definition": "ISD a-series (C-Term).",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-2) C(-1) O(-2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "suckau"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-46.0254"
                },
                {
                    "id": "group_of_poster",
                    "description": "users"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "C-term"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Other"
                },
                {
                    "id": "spec_1_misc_notes",
                    "description": "Virtual Modification for MS/MS of a-type ions corrected by subtraction of a further -O at 8.6.2010"
                },
                {
                    "id": "record_id",
                    "description": "140"
                },
                {
                    "id": "spec_1_position",
                    "description": "Any C-term"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-46.005479"
                },
                {
                    "id": "date_time_posted",
                    "description": "2003-09-02 16:17:09"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2010-06-08 14:19:03"
                }
            ]
        },
        {
            "accession": "UNIMOD:1400",
            "name": "MurNAc",
            "definition": "N-Acetylmuramic acid.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "O(-1) NeuAc"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "grigorios"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "275.2552"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "A"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Other glycosylation"
                },
                {
                    "id": "record_id",
                    "description": "1400"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "275.100502"
                },
                {
                    "id": "date_time_posted",
                    "description": "2014-02-20 12:47:46"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2015-05-01 13:37:45"
                }
            ]
        },
        {
            "accession": "UNIMOD:1402",
            "name": "Label:2H(7)15N(4)",
            "definition": "Label:2H(7)15N(4).",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-7) 2H(7) N(-4) 15N(4)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "11.0168"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "R"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "record_id",
                    "description": "1402"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "11.032077"
                },
                {
                    "id": "date_time_posted",
                    "description": "2014-04-16 12:16:45"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2014-04-16 12:16:45"
                }
            ]
        },
        {
            "accession": "UNIMOD:1403",
            "name": "Label:2H(6)15N(1)",
            "definition": "Label:2H(6)15N(1).",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-6) 2H(6) N(-1) 15N"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "7.0304"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "P"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "record_id",
                    "description": "1403"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "7.034695"
                },
                {
                    "id": "date_time_posted",
                    "description": "2014-04-16 12:19:06"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2014-04-16 12:19:06"
                }
            ]
        },
        {
            "accession": "UNIMOD:1405",
            "name": "EEEDVIEVYQEQTGG",
            "definition": "Sumoylation by SUMO-1 after Cyanogen bromide (CNBr) cleavage.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(107) C(72) N(17) O(31)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "vogelw"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "1706.7153"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "record_id",
                    "description": "1405"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "1705.73189"
                },
                {
                    "id": "date_time_posted",
                    "description": "2014-06-25 15:15:44"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2014-08-08 11:37:51"
                }
            ]
        }
    ]
}