prsm_data =
{
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        "compatible_proteoform_number": "1",
        "compatible_proteoform": {
            "sequence_id": "14",
            "sequence_name": "sp|P0A2B1|RS20_SALTY",
            "sequence_description": "30S ribosomal protein S20 OS=Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720) OX=99287 GN=rpsT PE=3 SV=2",
            "proteoform_id": "15",
            "prsm_number": "3",
            "prsm": [
                {
                    "prsm_id": "48",
                    "p_value": "1.22e-05",
                    "e_value": "1.22e-07",
                    "fdr": "0",
                    "matched_fragment_number": "19",
                    "matched_peak_number": "31",
                    "ms": {
                        "ms_header": {
                            "spectrum_file_name": "C:/toppic_tutorial/tutorial_2/st_1_ms2.msalign",
                            "ms1_ids": "467",
                            "ms1_scans": "919",
                            "ids": "451",
                            "scans": "920",
                            "precursor_mono_mass": "9518.2551",
                            "precursor_charge": "16",
                            "precursor_mz": "595.8982",
                            "feature_inte": "9.3672e+07"
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                    },
                    "annotated_protein": {
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                        "proteoform_id": "15",
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                        "proteoform_mass": "9518.2899",
                        "n_acetylation": "0",
                        "unexpected_shift_number": "0",
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                            "first_residue_position": "1",
                            "last_residue_position": "86",
                            "annotated_seq": "M.ANIKSAKKRAVQSEKARKHNASRRSMMRTFIKKVYAAIEAGDKAAALKAFNEMQPIVDRQAAKGLIHKNKAARHKANLTAQINKLA.",
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                                    "acid": "M"
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                                    "acid": "A"
                                },
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                                    "acid": "N"
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                                    "acid": "I"
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                                {
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                                    "acid": "K"
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                                {
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                                    "acid": "S"
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                                    "acid": "A"
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                                    "acid": "E"
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                                    "acid": "K"
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                                    "acid": "A"
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                                    "acid": "R"
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                                    "acid": "K"
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                                    "acid": "H"
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                                {
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                                    "acid": "N"
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                                    "acid": "A"
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                                    "acid": "S"
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                                    "acid": "R"
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