prsm_data =
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                "e_value": "7.37e-06",
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                "matched_peak_number": "12",
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                    "ms_header": {
                        "spectrum_file_name": "C:/toppic_tutorial/tutorial_3/ecoli_2_ms2.msalign",
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                        "ms1_scans": "839",
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                        "last_residue_position": "218",
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