prsm_data =
{
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        "sequence_id": "28",
        "sequence_name": "sp|P0AC69|GLRX4_ECOLI",
        "sequence_description": "Glutaredoxin 4 OS=Escherichia coli (strain K12) OX=83333 GN=grxD PE=1 SV=1",
        "proteoform_id": "48",
        "prsm_number": "1",
        "prsm": {
            "prsm_id": "46",
            "p_value": "6.60e-04",
            "e_value": "6.60e-04",
            "fdr": "0",
            "matched_fragment_number": "8",
            "matched_peak_number": "12",
            "ms": {
                "ms_header": {
                    "spectrum_file_name": "C:/toppic_tutorial/tutorial_3/ecoli_1_ms2.msalign",
                    "ms1_ids": "560",
                    "ms1_scans": "706",
                    "ids": "146",
                    "scans": "708",
                    "precursor_mono_mass": "7083.3633",
                    "precursor_charge": "9",
                    "precursor_mz": "788.0476",
                    "feature_inte": "2.5057e+08"
                },
                "peaks": {
                    "peak": [
                        {
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                            "peak_id": "0",
                            "monoisotopic_mass": "1611.8617",
                            "monoisotopic_mz": "1612.8690",
                            "intensity": "2471.91",
                            "charge": "1",
                            "matched_ions_num": "1",
                            "matched_ions": {
                                "matched_ion": {
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                                    "match_shift": "0.0000000000",
                                    "theoretical_mass": "1611.8580",
                                    "ion_position": "14",
                                    "ion_display_position": "14",
                                    "ion_sort_name": "B00014",
                                    "ion_left_position": "14",
                                    "mass_error": "0.0037",
                                    "ppm": "2.30"
                                }
                            }
                        },
                        {
                            "spec_id": "146",
                            "peak_id": "1",
                            "monoisotopic_mass": "1822.0017",
                            "monoisotopic_mz": "912.0081",
                            "intensity": "3370.82",
                            "charge": "2",
                            "matched_ions_num": "1",
                            "matched_ions": {
                                "matched_ion": {
                                    "ion_type": "B",
                                    "match_shift": "0.0000000000",
                                    "theoretical_mass": "1821.9949",
                                    "ion_position": "16",
                                    "ion_display_position": "16",
                                    "ion_sort_name": "B00016",
                                    "ion_left_position": "16",
                                    "mass_error": "0.0069",
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                                }
                            }
                        },
                        {
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                            "peak_id": "2",
                            "monoisotopic_mass": "673.3937",
                            "monoisotopic_mz": "674.4009",
                            "intensity": "2660.12",
                            "charge": "1"
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                        {
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                            "monoisotopic_mass": "1760.9354",
                            "monoisotopic_mz": "881.4750",
                            "intensity": "4205.95",
                            "charge": "2"
                        },
                        {
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                            "peak_id": "4",
                            "monoisotopic_mass": "1935.0893",
                            "monoisotopic_mz": "968.5519",
                            "intensity": "847.06",
                            "charge": "2",
                            "matched_ions_num": "1",
                            "matched_ions": {
                                "matched_ion": {
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                                    "match_shift": "0.0000000000",
                                    "theoretical_mass": "1935.0789",
                                    "ion_position": "17",
                                    "ion_display_position": "17",
                                    "ion_sort_name": "B00017",
                                    "ion_left_position": "17",
                                    "mass_error": "0.0103",
                                    "ppm": "5.34"
                                }
                            }
                        },
                        {
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                            "monoisotopic_mass": "1611.8646",
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                            "intensity": "30503.84",
                            "charge": "2",
                            "matched_ions_num": "1",
                            "matched_ions": {
                                "matched_ion": {
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                                    "match_shift": "0.0000000000",
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                                    "ion_sort_name": "B00014",
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                        },
                        {
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                            "monoisotopic_mz": "1498.8298",
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                            "matched_ions": {
                                "matched_ion": {
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                                    "ion_display_position": "13",
                                    "ion_sort_name": "B00013",
                                    "ion_left_position": "13",
                                    "mass_error": "0.0075",
                                    "ppm": "4.98"
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                            }
                        },
                        {
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                        {
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                        {
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                            "matched_ions": {
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                                    "match_shift": "0.0000000000",
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                                    "ion_sort_name": "B00013",
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                        },
                        {
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                        },
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                            "matched_ions": {
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                        },
                        {
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                        {
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                            "matched_ions": {
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                            "matched_ions": {
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            },
            "annotated_protein": {
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                            "exist_n_ion": "0",
                            "exist_c_ion": "0",
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                        {
                            "position": "105",
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                            "exist_c_ion": "0",
                            "matched_peaks": null
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                        {
                            "position": "106",
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                            "exist_c_ion": "0",
                            "matched_peaks": null
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                        {
                            "position": "107",
                            "exist_n_ion": "0",
                            "exist_c_ion": "0",
                            "matched_peaks": null
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                        {
                            "position": "108",
                            "exist_n_ion": "0",
                            "exist_c_ion": "0",
                            "matched_peaks": null
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                        {
                            "position": "109",
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                            "exist_c_ion": "0",
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                        {
                            "position": "110",
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                            "exist_c_ion": "0",
                            "matched_peaks": null
                        },
                        {
                            "position": "111",
                            "exist_n_ion": "0",
                            "exist_c_ion": "0",
                            "matched_peaks": null
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                        {
                            "position": "112",
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                            "exist_c_ion": "0",
                            "matched_peaks": null
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                        {
                            "position": "113",
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                            "exist_c_ion": "0",
                            "matched_peaks": null
                        },
                        {
                            "position": "114",
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                            "exist_c_ion": "0",
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                        {
                            "position": "115",
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                            "matched_peaks": null
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                    ],
                    "ptm": {
                        "ptm_type": "Fixed",
                        "ptm": {
                            "abbreviation": "Carbamidomethylation",
                            "unimod": "-1",
                            "mono_mass": "57.0214640000"
                        },
                        "occurence": [
                            {
                                "left_pos": "29",
                                "right_pos": "30",
                                "anno": "C"
                            },
                            {
                                "left_pos": "42",
                                "right_pos": "43",
                                "anno": "C"
                            }
                        ]
                    },
                    "mass_shift": {
                        "id": "0",
                        "left_position": "18",
                        "right_position": "66",
                        "shift": "-165.2533676265",
                        "anno": "-165.2534",
                        "shift_type": "unexpected"
                    }
                }
            }
        }
    }
}
