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        },
        {
            "accession": "UNIMOD:561",
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                    "id": "delta_composition",
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        },
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            "accession": "UNIMOD:562",
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                },
                {
                    "id": "date_time_modified",
                    "description": "2006-11-09 11:01:53"
                }
            ]
        },
        {
            "accession": "UNIMOD:563",
            "name": "Glu->Lys",
            "definition": "Glu->Lys substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(5) C N O(-2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-0.9417"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "E"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "563"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-0.94763"
                },
                {
                    "id": "date_time_posted",
                    "description": "2006-11-09 11:02:15"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-11-09 11:02:15"
                }
            ]
        },
        {
            "accession": "UNIMOD:564",
            "name": "Glu->Gly",
            "definition": "Glu->Gly substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-4) C(-3) O(-2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-72.0627"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "E"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "564"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-72.021129"
                },
                {
                    "id": "date_time_posted",
                    "description": "2006-11-09 11:02:36"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-11-09 11:02:36"
                }
            ]
        },
        {
            "accession": "UNIMOD:565",
            "name": "Glu->Val",
            "definition": "Glu->Val substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(2) O(-2)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-29.9829"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "E"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "565"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-29.974179"
                },
                {
                    "id": "date_time_posted",
                    "description": "2006-11-09 11:03:02"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-11-09 11:03:02"
                }
            ]
        },
        {
            "accession": "UNIMOD:566",
            "name": "Phe->Ser",
            "definition": "Phe->Ser substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-4) C(-6) O"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-60.0966"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "F"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "566"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-60.036386"
                },
                {
                    "id": "date_time_posted",
                    "description": "2006-11-09 11:03:29"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-11-09 11:03:29"
                }
            ]
        },
        {
            "accession": "UNIMOD:567",
            "name": "Phe->Cys",
            "definition": "Phe->Cys substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(-4) C(-6) S"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-44.031"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "F"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "567"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-44.059229"
                },
                {
                    "id": "date_time_posted",
                    "description": "2006-11-09 11:04:01"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2006-11-09 11:04:01"
                }
            ]
        },
        {
            "accession": "UNIMOD:568",
            "name": "Phe->Xle",
            "definition": "Phe->Leu/Ile substitution.",
            "additional_data": [
                {
                    "id": "delta_composition",
                    "description": "H(2) C(-3)"
                },
                {
                    "id": "spec_1_group",
                    "description": "1"
                },
                {
                    "id": "username_of_poster",
                    "description": "unimod"
                },
                {
                    "id": "delta_avge_mass",
                    "description": "-34.0162"
                },
                {
                    "id": "group_of_poster",
                    "description": ""
                },
                {
                    "id": "spec_1_hidden",
                    "description": "1"
                },
                {
                    "id": "spec_1_site",
                    "description": "F"
                },
                {
                    "id": "spec_1_classification",
                    "description": "AA substitution"
                },
                {
                    "id": "record_id",
                    "description": "568"
                },
                {
                    "id": "spec_1_position",
                    "description": "Anywhere"
                },
                {
                    "id": "delta_mono_mass",
                    "description": "-33.98435"
                },
                {
                    "id": "date_time_posted",
                    "description": "2006-11-09 11:05:41"
                },
                {
                    "id": "approved",
                    "description": "0"
                },
                {
                    "id": "date_time_modified",
                    "description": "2011-06-21 15:10:27"
                }
            ]
        }
    ]
}