GET /api/unimod/?format=api&offset=180
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 1543,
    "next": "https://cinder.proteo.info/api/unimod/?format=api&limit=20&offset=200",
    "previous": "https://cinder.proteo.info/api/unimod/?format=api&limit=20&offset=160",
    "results": [
        {
            "accession": "UNIMOD:1176",
            "name": "Pro->Tyr",
            "definition": "Pro->Tyr substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(2) C(4) O"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "66.0581"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "P"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1176"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "66.010565"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 17:29:24"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 17:29:24"
                }
            ]
        },
        {
            "accession": "UNIMOD:1177",
            "name": "Gln->Ala",
            "definition": "Gln->Ala substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-3) C(-2) N(-1) O(-1)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-57.0513"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "Q"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1177"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-57.021464"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 17:39:52"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 17:39:52"
                }
            ]
        },
        {
            "accession": "UNIMOD:1178",
            "name": "Gln->Cys",
            "definition": "Gln->Cys substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-3) C(-2) N(-1) O(-1) S"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-24.9863"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "Q"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1178"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-25.049393"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 17:40:20"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 17:40:20"
                }
            ]
        },
        {
            "accession": "UNIMOD:1179",
            "name": "Gln->Asp",
            "definition": "Gln->Asp substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-3) C(-1) N(-1) O"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-13.0418"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "Q"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1179"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-13.031634"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 17:40:42"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 17:40:42"
                }
            ]
        },
        {
            "accession": "UNIMOD:118",
            "name": "EDT-iodoacetyl-PEO-biotin",
            "definition": "EDT-iodo-PEO-biotin.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(34) C(20) N(4) O(4) S(3)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "take"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "490.7034"
                },
                {
                    "id": "group_of_poster",
                    "description": "users"
                },
                {
                    "id": "spec_1_site",
                    "description": "S"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "spec_2_group",
                    "description": "2"
                },
                {
                    "id": "spec_2_position",
                    "description": "Anywhere"
                },
                {
                    "id": "spec_2_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "490.174218"
                },
                {
                    "id": "spec_2_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_2_site",
                    "description": "T"
                },
                {
                    "id": "record_id",
                    "description": "118"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "date_time_posted",
                    "description": "2003-02-24 07:18:42"
                },
                {
                    "id": "approved",
                    "description": "1"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-10-16 17:01:15"
                }
            ]
        },
        {
            "accession": "UNIMOD:1180",
            "name": "Gln->Phe",
            "definition": "Gln->Phe substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H C(4) N(-1) O(-1)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "19.0446"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "Q"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1180"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "19.009836"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 17:41:04"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 17:41:04"
                }
            ]
        },
        {
            "accession": "UNIMOD:1181",
            "name": "Gln->Gly",
            "definition": "Gln->Gly substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-5) C(-3) N(-1) O(-1)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-71.0779"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "Q"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1181"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-71.037114"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 17:41:24"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 17:41:24"
                }
            ]
        },
        {
            "accession": "UNIMOD:1182",
            "name": "Gln->Met",
            "definition": "Gln->Met substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H N(-1) O(-1) S"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "3.0668"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "Q"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1182"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "2.981907"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 17:41:53"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 17:41:53"
                }
            ]
        },
        {
            "accession": "UNIMOD:1183",
            "name": "Gln->Asn",
            "definition": "Gln->Asn substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-2) C(-1)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-14.0266"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "Q"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1183"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-14.01565"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 17:42:17"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 17:42:17"
                }
            ]
        },
        {
            "accession": "UNIMOD:1184",
            "name": "Gln->Ser",
            "definition": "Gln->Ser substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-3) C(-2) N(-1)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-41.0519"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "Q"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1184"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-41.026549"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 17:42:37"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 17:42:37"
                }
            ]
        },
        {
            "accession": "UNIMOD:1185",
            "name": "Gln->Thr",
            "definition": "Gln->Thr substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-1) C(-1) N(-1)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-27.0253"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "Q"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1185"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-27.010899"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 17:42:58"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 17:42:58"
                }
            ]
        },
        {
            "accession": "UNIMOD:1186",
            "name": "Gln->Val",
            "definition": "Gln->Val substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H N(-1) O(-1)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-28.9982"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "Q"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1186"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-28.990164"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 17:43:20"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 17:43:20"
                }
            ]
        },
        {
            "accession": "UNIMOD:1187",
            "name": "Gln->Trp",
            "definition": "Gln->Trp substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(2) C(6) O(-1)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "58.0807"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "Q"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1187"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "58.020735"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 17:43:42"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 17:43:42"
                }
            ]
        },
        {
            "accession": "UNIMOD:1188",
            "name": "Gln->Tyr",
            "definition": "Gln->Tyr substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H C(4) N(-1)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "35.044"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "Q"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1188"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "35.004751"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 17:44:02"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 17:44:02"
                }
            ]
        },
        {
            "accession": "UNIMOD:1189",
            "name": "Arg->Ala",
            "definition": "Arg->Ala substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-7) C(-3) N(-3)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-85.1078"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "R"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1189"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-85.063997"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-23 10:47:36"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-23 10:47:36"
                }
            ]
        },
        {
            "accession": "UNIMOD:119",
            "name": "IBTP",
            "definition": "Thio Ether Formation - BTP Adduct.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(21) C(22) P"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "MRCDunn"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "316.3759"
                },
                {
                    "id": "group_of_poster",
                    "description": "users"
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "C"
                },
                {
                    "id": "spec_1_classification",
                    "description": "Chemical derivative"
                },
                {
                    "id": "record_id",
                    "description": "119"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "316.138088"
                },
                {
                    "id": "date_time_posted",
                    "description": "2003-03-13 09:36:40"
                },
                {
                    "id": "approved",
                    "description": "1"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-10-16 15:52:42"
                }
            ]
        },
        {
            "accession": "UNIMOD:1190",
            "name": "Arg->Asp",
            "definition": "Arg->Asp substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-7) C(-2) N(-3) O(2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-41.0983"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "R"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1190"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-41.074168"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-23 10:48:03"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-23 10:48:03"
                }
            ]
        },
        {
            "accession": "UNIMOD:1191",
            "name": "Arg->Glu",
            "definition": "Arg->Glu substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-5) C(-1) N(-3) O(2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-27.0717"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "R"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1191"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-27.058518"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-23 10:48:51"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-23 10:48:51"
                }
            ]
        },
        {
            "accession": "UNIMOD:1192",
            "name": "Arg->Asn",
            "definition": "Arg->Asn substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-6) C(-2) N(-2) O"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-42.083"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "R"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1192"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-42.058184"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-23 10:49:09"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-23 10:49:29"
                }
            ]
        },
        {
            "accession": "UNIMOD:1193",
            "name": "Arg->Val",
            "definition": "Arg->Val substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-3) C(-1) N(-3)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-57.0546"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "R"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1193"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-57.032697"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-23 10:49:53"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-23 10:49:53"
                }
            ]
        }
    ]
}