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                    "id": "delta_composition",
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                    "description": "1159"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-57.021464"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 16:38:11"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 16:38:11"
                }
            ]
        },
        {
            "accession": "UNIMOD:620",
            "name": "Asn->His",
            "definition": "Asn->His substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H C(2) N O(-1)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "23.0366"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "N"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "620"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "23.015984"
                },
                {
                    "id": "date_time_posted",
                    "description": "2006-11-09 11:35:18"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-11-09 11:35:18"
                }
            ]
        },
        {
            "accession": "UNIMOD:618",
            "name": "Asn->Lys",
            "definition": "Asn->Lys substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(6) C(2) O(-1)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "14.0696"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "N"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "618"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "14.052036"
                },
                {
                    "id": "date_time_posted",
                    "description": "2006-11-09 11:34:31"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-11-09 11:34:31"
                }
            ]
        },
        {
            "accession": "UNIMOD:1160",
            "name": "Asn->Met",
            "definition": "Asn->Met substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(3) C N(-1) O(-1) S"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "17.0934"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "N"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1160"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "16.997557"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 16:38:32"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 16:38:32"
                }
            ]
        },
        {
            "accession": "UNIMOD:1158",
            "name": "Asn->Phe",
            "definition": "Asn->Phe substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(3) C(5) N(-1) O(-1)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "33.0712"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "N"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "1158"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "33.025486"
                },
                {
                    "id": "date_time_posted",
                    "description": "2011-06-21 16:37:48"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 16:37:48"
                }
            ]
        }
    ]
}