prsm_data =
{
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        "p_value": "1.45e-14",
        "e_value": "1.45e-14",
        "fdr": "0",
        "matched_fragment_number": "13",
        "matched_peak_number": "15",
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            "ms_header": {
                "spectrum_file_name": "C:/toppic_tutorial/tutorial_3/ecoli_1_ms2.msalign",
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                "ms1_scans": "564",
                "ids": "40",
                "scans": "565",
                "precursor_mono_mass": "7327.7981",
                "precursor_charge": "5",
                "precursor_mz": "1466.5669",
                "feature_inte": "6.1695e+07"
            },
            "peaks": {
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                                "ion_display_position": "13",
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