prsm_data =
{
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        "compatible_proteoform_number": "1",
        "compatible_proteoform": {
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            "sequence_name": "sp|P66451|RS17_SALTY",
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            "proteoform_id": "11",
            "prsm_number": "1",
            "prsm": {
                "prsm_id": "50",
                "p_value": "2.00e-07",
                "e_value": "2.00e-09",
                "fdr": "0",
                "matched_fragment_number": "13",
                "matched_peak_number": "16",
                "ms": {
                    "ms_header": {
                        "spectrum_file_name": "C:/toppic_tutorial/tutorial_2/st_1_ms2.msalign",
                        "ms1_ids": "475",
                        "ms1_scans": "935",
                        "ids": "459",
                        "scans": "936",
                        "precursor_mono_mass": "9699.2050",
                        "precursor_charge": "17",
                        "precursor_mz": "571.5487",
                        "feature_inte": "5.1912e+08"
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                    "proteoform_id": "11",
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                    "proteoform_mass": "9699.2423",
                    "n_acetylation": "0",
                    "unexpected_shift_number": "0",
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                        "first_residue_position": "1",
                        "last_residue_position": "83",
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                                "acid": "T"
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                                "acid": "K"
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                                "acid": "T"
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                                "acid": "M"
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                            {
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                            {
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                            {
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                            {
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                            {
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                            {
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                            {
                                "position": "84",
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                        ],
                        "ptm": {
                            "ptm_type": "Fixed",
                            "ptm": {
                                "abbreviation": "Carbamidomethylation",
                                "unimod": "-1",
                                "mono_mass": "57.0214640000"
                            },
                            "occurence": [
                                {
                                    "left_pos": "52",
                                    "right_pos": "53",
                                    "anno": "C"
                                },
                                {
                                    "left_pos": "63",
                                    "right_pos": "64",
                                    "anno": "C"
                                }
                            ]
                        }
                    }
                }
            }
        }
    }
}
