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                    "id": "spec_1_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Post-translational"
                },
                {
                    "id": "record_id",
                    "description": "445"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "59.04969"
                },
                {
                    "id": "date_time_posted",
                    "description": "2005-10-15 21:40:08"
                },
                {
                    "id": "approved",
                    "description": "1"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-10-16 10:28:02"
                }
            ]
        },
        {
            "accession": "UNIMOD:886",
            "name": "HydroxymethylOP",
            "definition": "2-ammonio-6-[4-(hydroxymethyl)-3-oxidopyridinium-1-yl]- hexanoate.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(4) C(6) O(2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "AndrewW"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "108.0948"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Other"
                },
                {
                    "id": "spec_1_misc_notes",
                    "description": "Advanced Glycation Endproduct"
                },
                {
                    "id": "record_id",
                    "description": "886"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "108.021129"
                },
                {
                    "id": "date_time_posted",
                    "description": "2008-11-03 14:35:36"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2008-11-09 17:49:00"
                }
            ]
        },
        {
            "accession": "UNIMOD:414",
            "name": "Hydroxymethyl",
            "definition": "Hydroxymethyl.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(2) C O"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "30.026"
                },
                {
                    "id": "group_of_poster",
                    "description": "admin"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "N"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Post-translational"
                },
                {
                    "id": "record_id",
                    "description": "414"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "30.010565"
                },
                {
                    "id": "date_time_posted",
                    "description": "2005-10-15 16:12:56"
                },
                {
                    "id": "approved",
                    "description": "1"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-10-15 18:04:18"
                }
            ]
        },
        {
            "accession": "UNIMOD:1849",
            "name": "hydroxyisobutyryl",
            "definition": "2-hydroxyisobutyrylation.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(6) C(4) O(2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "cfeller"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "86.0892"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Post-translational"
                },
                {
                    "id": "record_id",
                    "description": "1849"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "86.036779"
                },
                {
                    "id": "date_time_posted",
                    "description": "2017-03-30 11:16:14"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2021-03-11 11:57:59"
                }
            ]
        },
        {
            "accession": "UNIMOD:436",
            "name": "Hydroxyheme",
            "definition": "Hydroxyheme.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(30) C(34) N(4) O(4) Fe"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "614.4714"
                },
                {
                    "id": "group_of_poster",
                    "description": "admin"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "E"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Post-translational"
                },
                {
                    "id": "record_id",
                    "description": "436"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "614.161645"
                },
                {
                    "id": "date_time_posted",
                    "description": "2005-10-15 20:29:16"
                },
                {
                    "id": "approved",
                    "description": "1"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-10-16 17:10:10"
                }
            ]
        },
        {
            "accession": "UNIMOD:376",
            "name": "Hydroxyfarnesyl",
            "definition": "Hydroxyfarnesyl.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(24) C(15) O"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "220.3505"
                },
                {
                    "id": "group_of_poster",
                    "description": "admin"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "C"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Post-translational"
                },
                {
                    "id": "record_id",
                    "description": "376"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "220.182715"
                },
                {
                    "id": "date_time_posted",
                    "description": "2005-10-07 20:36:20"
                },
                {
                    "id": "approved",
                    "description": "1"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-10-16 15:20:11"
                }
            ]
        }
    ]
}