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                    "description": "Isotopic label"
                },
                {
                    "id": "record_id",
                    "description": "1005"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "38.039569"
                },
                {
                    "id": "date_time_posted",
                    "description": "2010-10-27 10:52:10"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2010-11-05 16:49:29"
                }
            ]
        },
        {
            "accession": "UNIMOD:267",
            "name": "Label:13C(6)15N(4)",
            "definition": "13C(6) 15N(4) Silac label.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "C(-6) 13C(6) N(-4) 15N(4)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "AFCS"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "9.9296"
                },
                {
                    "id": "group_of_poster",
                    "description": "users"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "R"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_1_misc_notes",
                    "description": "Used in SILAC experiment"
                },
                {
                    "id": "record_id",
                    "description": "267"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "10.008269"
                },
                {
                    "id": "date_time_posted",
                    "description": "2004-10-20 17:49:33"
                },
                {
                    "id": "approved",
                    "description": "1"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-10-19 10:30:51"
                }
            ]
        },
        {
            "accession": "UNIMOD:2123",
            "name": "Label:13C(6)15N(2)+TMTpro",
            "definition": "TMTpro Tandem Mass Tag 13C(6) 15N(2) Silac label.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(25) C(2) 13C(13) N(-1) 15N(4) O(3)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "dzolg"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "312.2554"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Multiple"
                },
                {
                    "id": "record_id",
                    "description": "2123"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "312.221344"
                },
                {
                    "id": "date_time_posted",
                    "description": "2024-07-01 12:51:56"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2024-08-12 11:33:20"
                }
            ]
        },
        {
            "accession": "UNIMOD:2122",
            "name": "Label:13C(6)15N(2)+TMT6plex",
            "definition": "Sixplex Tandem Mass Tag 13C(6) 15N(2) Silac label.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(20) C(2) 13C(10) N(-1) 15N(3) O(2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "dzolg"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "237.2062"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Multiple"
                },
                {
                    "id": "record_id",
                    "description": "2122"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "237.177131"
                },
                {
                    "id": "date_time_posted",
                    "description": "2024-07-01 12:49:15"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2024-08-12 11:33:03"
                }
            ]
        },
        {
            "accession": "UNIMOD:864",
            "name": "Label:13C(6)15N(2)+GG",
            "definition": "13C(6) 15N(2) Lysine glygly.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(6) C(-2) 13C(6) 15N(2) O(2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "Raghothama"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "122.0454"
                },
                {
                    "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": "Used in SILAC PTM (glygly) experiment"
                },
                {
                    "id": "record_id",
                    "description": "864"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "122.057126"
                },
                {
                    "id": "date_time_posted",
                    "description": "2008-08-13 21:56:52"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2014-07-09 16:53:44"
                }
            ]
        },
        {
            "accession": "UNIMOD:987",
            "name": "Label:13C(6)15N(2)+Dimethyl",
            "definition": "Dimethyl 13C(6)15N(2) Silac label.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(4) C(-4) 13C(6) N(-2) 15N(2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "glick2"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "35.9959"
                },
                {
                    "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+PTM"
                },
                {
                    "id": "record_id",
                    "description": "987"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "36.045499"
                },
                {
                    "id": "date_time_posted",
                    "description": "2010-05-09 10:57:55"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2010-05-14 16:20:12"
                }
            ]
        },
        {
            "accession": "UNIMOD:836",
            "name": "Label:13C(6)15N(2)+Acetyl",
            "definition": "Acetyl_13C(6) 15N(2) Silac label.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(2) C(-4) 13C(6) N(-2) 15N(2) O"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "Raghothama"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "49.9794"
                },
                {
                    "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": "Used in SILAC experiment"
                },
                {
                    "id": "record_id",
                    "description": "836"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "50.024764"
                },
                {
                    "id": "date_time_posted",
                    "description": "2008-03-24 17:35:52"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2008-04-02 10:13:59"
                }
            ]
        },
        {
            "accession": "UNIMOD:259",
            "name": "Label:13C(6)15N(2)",
            "definition": "13C(6) 15N(2) Silac label.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "C(-6) 13C(6) N(-2) 15N(2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "hs01"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "7.9427"
                },
                {
                    "id": "group_of_poster",
                    "description": "users"
                },
                {
                    "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": "Used in SILAC experiment"
                },
                {
                    "id": "record_id",
                    "description": "259"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "8.014199"
                },
                {
                    "id": "date_time_posted",
                    "description": "2004-08-30 16:23:02"
                },
                {
                    "id": "approved",
                    "description": "1"
                },
                {
                    "id": "date_time_modified",
                    "description": "2014-06-09 09:40:49"
                }
            ]
        },
        {
            "accession": "UNIMOD:695",
            "name": "Label:13C(6)15N(1)",
            "definition": "13C(6) 15N(1) Silac label.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "C(-6) 13C(6) N(-1) 15N"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "6.9493"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_site",
                    "description": "L"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_2_group",
                    "description": "2"
                },
                {
                    "id": "spec_2_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_2_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "7.017164"
                },
                {
                    "id": "spec_2_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_2_site",
                    "description": "I"
                },
                {
                    "id": "record_id",
                    "description": "695"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "date_time_posted",
                    "description": "2006-11-29 15:10:53"
                },
                {
                    "id": "approved",
                    "description": "1"
                },
                {
                    "id": "date_time_modified",
                    "description": "2007-08-22 18:30:49"
                }
            ]
        },
        {
            "accession": "UNIMOD:188",
            "name": "Label:13C(6)",
            "definition": "13C(6) Silac label.",
            "additional_data": [
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "spec_2_misc_notes",
                    "description": "Used in SILAC experiment"
                },
                {
                    "id": "spec_5_group",
                    "description": "5"
                },
                {
                    "id": "group_of_poster",
                    "description": "users"
                },
                {
                    "id": "spec_1_site",
                    "description": "R"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_2_group",
                    "description": "2"
                },
                {
                    "id": "spec_2_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_2_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_3_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "6.020129"
                },
                {
                    "id": "spec_3_misc_notes",
                    "description": "Used in SILAC experiment"
                },
                {
                    "id": "spec_2_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_5_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_2_site",
                    "description": "K"
                },
                {
                    "id": "spec_1_misc_notes",
                    "description": "Used in SILAC experiment"
                },
                {
                    "id": "spec_3_classification",
                    "description": "Isotopic label"
                },
                {
                    "id": "spec_5_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_3_site",
                    "description": "L"
                },
                {
                    "id": "date_time_posted",
                    "description": "2004-02-28 19:54:10"
                },
                {
                    "id": "approved",
                    "description": "1"
                },
                {
                    "id": "spec_3_group",
                    "description": "3"
                },
                {
                    "id": "delta_composition",
                    "description": "C(-6) 13C(6)"
                },
                {
                    "id": "spec_3_hidden",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "hs"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "5.9559"
                },
                {
                    "id": "spec_5_site",
                    "description": "I"
                },
                {
                    "id": "spec_5_misc_notes",
                    "description": "Used in SILAC experiment"
                },
                {
                    "id": "spec_5_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "record_id",
                    "description": "188"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "date_time_modified",
                    "description": "2007-08-22 18:29:56"
                }
            ]
        }
    ]
}