prsm_data =
{
    "compatible_proteoform": {
        "sequence_id": "26",
        "sequence_name": "sp|P0AES9|HDEA_ECOLI",
        "sequence_description": "Acid stress chaperone HdeA OS=Escherichia coli (strain K12) OX=83333 GN=hdeA PE=1 SV=1",
        "proteoform_id": "42",
        "prsm_number": "1",
        "prsm": {
            "prsm_id": "115",
            "p_value": "1.33e-03",
            "e_value": "1.33e-03",
            "fdr": "0",
            "matched_fragment_number": "10",
            "matched_peak_number": "10",
            "ms": {
                "ms_header": {
                    "spectrum_file_name": "C:/toppic_tutorial/tutorial_3/ecoli_2_ms2.msalign",
                    "ms1_ids": "600",
                    "ms1_scans": "903",
                    "ids": "304",
                    "scans": "906",
                    "precursor_mono_mass": "10472.1090",
                    "precursor_charge": "6",
                    "precursor_mz": "1746.3588",
                    "feature_inte": "7.8845e+06"
                },
                "peaks": {
                    "peak": [
                        {
                            "spec_id": "304",
                            "peak_id": "0",
                            "monoisotopic_mass": "2435.3033",
                            "monoisotopic_mz": "2436.3106",
                            "intensity": "6172.75",
                            "charge": "1",
                            "matched_ions_num": "1",
                            "matched_ions": {
                                "matched_ion": {
                                    "ion_type": "Y",
                                    "match_shift": "0.0000000000",
                                    "theoretical_mass": "2435.2995",
                                    "ion_position": "74",
                                    "ion_display_position": "20",
                                    "ion_sort_name": "Y00020",
                                    "ion_left_position": "74",
                                    "mass_error": "0.0038",
                                    "ppm": "1.57"
                                }
                            }
                        },
                        {
                            "spec_id": "304",
                            "peak_id": "1",
                            "monoisotopic_mass": "1376.7195",
                            "monoisotopic_mz": "1377.7268",
                            "intensity": "2825.22",
                            "charge": "1",
                            "matched_ions_num": "1",
                            "matched_ions": {
                                "matched_ion": {
                                    "ion_type": "Y",
                                    "match_shift": "0.0000000000",
                                    "theoretical_mass": "1376.7122",
                                    "ion_position": "83",
                                    "ion_display_position": "11",
                                    "ion_sort_name": "Y00011",
                                    "ion_left_position": "83",
                                    "mass_error": "0.0073",
                                    "ppm": "5.31"
                                }
                            }
                        },
                        {
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                            "peak_id": "2",
                            "monoisotopic_mass": "3493.7634",
                            "monoisotopic_mz": "1747.8890",
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                        },
                        {
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                            "monoisotopic_mass": "1012.4978",
                            "monoisotopic_mz": "1013.5051",
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                        {
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                            "monoisotopic_mass": "1248.6232",
                            "monoisotopic_mz": "1249.6305",
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                            "matched_ions_num": "1",
                            "matched_ions": {
                                "matched_ion": {
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                                    "match_shift": "0.0000000000",
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                                    "ion_display_position": "10",
                                    "ion_sort_name": "Y00010",
                                    "ion_left_position": "84",
                                    "mass_error": "0.0060",
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                        },
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                            "monoisotopic_mz": "1604.8904",
                            "intensity": "7433.89",
                            "charge": "1",
                            "matched_ions_num": "1",
                            "matched_ions": {
                                "matched_ion": {
                                    "ion_type": "Y",
                                    "match_shift": "0.0000000000",
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                                    "ion_left_position": "81",
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                        },
                        {
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                            "matched_ions": {
                                "matched_ion": {
                                    "ion_type": "B",
                                    "match_shift": "0.0000000000",
                                    "theoretical_mass": "2295.1608",
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                                    "ion_display_position": "22",
                                    "ion_sort_name": "B00022",
                                    "ion_left_position": "22",
                                    "mass_error": "-0.0149",
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                                }
                            }
                        },
                        {
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                            "monoisotopic_mz": "762.4577",
                            "intensity": "5826.53",
                            "charge": "1",
                            "matched_ions_num": "1",
                            "matched_ions": {
                                "matched_ion": {
                                    "ion_type": "Y",
                                    "match_shift": "0.0000000000",
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                                    "ion_sort_name": "Y00006",
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                            }
                        },
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                            "matched_ions": {
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                            "matched_ions": {
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                            "matched_ions": {
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    }
}
