prsm_data =
{
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        "p_value": "1.31e-11",
        "e_value": "1.31e-11",
        "fdr": "0",
        "matched_fragment_number": "14",
        "matched_peak_number": "15",
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                "spectrum_file_name": "C:/toppic_tutorial/tutorial_3/ecoli_2_ms2.msalign",
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                "ms1_scans": "827",
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                "scans": "830",
                "precursor_mono_mass": "4478.3937",
                "precursor_charge": "6",
                "precursor_mz": "747.4062",
                "feature_inte": "1.7789e+08"
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        "annotated_protein": {
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            "proteoform_id": "8",
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                "last_residue_position": "82",
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