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            "accession": "UNIMOD:811",
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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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                    "id": "date_time_posted",
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                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "C"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "record_id",
                    "description": "821"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "682.24612"
                },
                {
                    "id": "date_time_posted",
                    "description": "2008-02-01 16:03:09"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2012-09-14 23:51:19"
                }
            ]
        },
        {
            "accession": "UNIMOD:822",
            "name": "Gly-loss+Amide",
            "definition": "Enzymatic glycine removal leaving an amidated C-terminus.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-2) C(-2) O(-2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "timothyr"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-58.0361"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "G"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Post-translational"
                },
                {
                    "id": "record_id",
                    "description": "822"
                },
                {
                    "id": "spec_1_position",
                    "description": "Any C-term"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-58.005479"
                },
                {
                    "id": "date_time_posted",
                    "description": "2008-02-06 09:33:39"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2010-07-14 23:15:49"
                }
            ]
        },
        {
            "accession": "UNIMOD:824",
            "name": "Xlink:BMOE",
            "definition": "Intact or monolink BMOE crosslinker.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(8) C(10) N(2) O(4)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "Larsenmarsen"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "220.1815"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "C"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "record_id",
                    "description": "824"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "220.048407"
                },
                {
                    "id": "date_time_posted",
                    "description": "2008-02-13 15:28:55"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2017-08-18 11:12:14"
                }
            ]
        },
        {
            "accession": "UNIMOD:825",
            "name": "Xlink:DFDNB",
            "definition": "Intact DFDNB crosslinker.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "C(6) N(2) O(4)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "spec_3_hidden",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "Larsenmarsen"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "164.0752"
                },
                {
                    "id": "spec_4_position",
                    "description": "Anywhere"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "spec_2_group",
                    "description": "2"
                },
                {
                    "id": "spec_2_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_4_site",
                    "description": "N"
                },
                {
                    "id": "spec_2_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "spec_3_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "163.985807"
                },
                {
                    "id": "spec_2_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_4_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_2_site",
                    "description": "R"
                },
                {
                    "id": "spec_3_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "record_id",
                    "description": "825"
                },
                {
                    "id": "spec_3_site",
                    "description": "Q"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_4_group",
                    "description": "4"
                },
                {
                    "id": "spec_4_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "date_time_posted",
                    "description": "2008-02-13 15:35:40"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2017-08-18 11:55:35"
                },
                {
                    "id": "spec_3_group",
                    "description": "3"
                }
            ]
        },
        {
            "accession": "UNIMOD:827",
            "name": "TMPP-Ac",
            "definition": "Tris(2,4,6-trimethoxyphenyl)phosphonium acetic acid N-hydroxysuccinimide ester derivative.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(33) C(29) O(10) P"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "spec_3_hidden",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "572.5401"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_site",
                    "description": "N-term"
                },
                {
                    "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": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "572.181134"
                },
                {
                    "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": "827"
                },
                {
                    "id": "spec_3_site",
                    "description": "Y"
                },
                {
                    "id": "spec_1_position",
                    "description": "Any N-term"
                },
                {
                    "id": "date_time_posted",
                    "description": "2008-02-20 14:12:31"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2018-06-26 15:22:16"
                },
                {
                    "id": "spec_3_group",
                    "description": "3"
                }
            ]
        },
        {
            "accession": "UNIMOD:830",
            "name": "Dihydroxyimidazolidine",
            "definition": "Dihydroxy methylglyoxal adduct.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(4) C(3) O(2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "kimzey"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "72.0627"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "R"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Multiple"
                },
                {
                    "id": "record_id",
                    "description": "830"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "72.021129"
                },
                {
                    "id": "date_time_posted",
                    "description": "2008-03-04 00:00:29"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2008-05-22 00:32:41"
                }
            ]
        },
        {
            "accession": "UNIMOD:834",
            "name": "Label:2H(4)+Acetyl",
            "definition": "Acetyl 4,4,5,5-D4 Lysine.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-2) 2H(4) C(2) O"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "Raghothama"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "46.0613"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_1_misc_notes",
                    "description": "Both isotopiclabel and post translational mod"
                },
                {
                    "id": "record_id",
                    "description": "834"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "46.035672"
                },
                {
                    "id": "date_time_posted",
                    "description": "2008-03-24 17:25:15"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2008-04-02 10:17:08"
                }
            ]
        },
        {
            "accession": "UNIMOD:835",
            "name": "Label:13C(6)+Acetyl",
            "definition": "Acetyl 13C(6) Silac label.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(2) C(-4) 13C(6) O"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "Raghothama"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "47.9926"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_1_misc_notes",
                    "description": "SILAC and PTM"
                },
                {
                    "id": "record_id",
                    "description": "835"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "48.030694"
                },
                {
                    "id": "date_time_posted",
                    "description": "2008-03-24 17:33:44"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2008-04-02 10:14:57"
                }
            ]
        }
    ]
}