prsm_data =
{
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        "p_value": "3.83e-11",
        "e_value": "3.83e-11",
        "fdr": "0",
        "matched_fragment_number": "12",
        "matched_peak_number": "12",
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                "spectrum_file_name": "C:/toppic_tutorial/tutorial_3/ecoli_2_ms2.msalign",
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                "ms1_scans": "973",
                "ids": "354",
                "scans": "974",
                "precursor_mono_mass": "15557.6898",
                "precursor_charge": "7",
                "precursor_mz": "2223.5344",
                "feature_inte": "8.4479e+06"
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        "annotated_protein": {
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            "sequence_name": "sp|P0C0L2|OSMC_ECOLI",
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            "unexpected_shift_number": "1",
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                "last_residue_position": "142",
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                                "ion_position": "133",
                                "ion_display_position": "9",
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                                "peak_id": "20",
                                "peak_charge": "1"
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                    {
                        "position": "135",
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                            "matched_peak": {
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                                "peak_id": "10",
                                "peak_charge": "1"
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                    {
                        "position": "136",
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                            "matched_peak": {
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                                "peak_id": "11",
                                "peak_charge": "1"
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                    },
                    {
                        "position": "137",
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                        "exist_c_ion": "0",
                        "matched_peaks": null
                    },
                    {
                        "position": "138",
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                        "exist_c_ion": "1",
                        "matched_peaks": {
                            "matched_peak": {
                                "ion_type": "Y",
                                "ion_position": "137",
                                "ion_display_position": "5",
                                "spec_id": "354",
                                "peak_id": "14",
                                "peak_charge": "1"
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                    },
                    {
                        "position": "139",
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                        "exist_c_ion": "0",
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                    },
                    {
                        "position": "140",
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                        "exist_c_ion": "0",
                        "matched_peaks": null
                    },
                    {
                        "position": "141",
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                        "exist_c_ion": "0",
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                    },
                    {
                        "position": "142",
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                        "matched_peaks": null
                    },
                    {
                        "position": "143",
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                        "exist_c_ion": "0",
                        "matched_peaks": null
                    }
                ],
                "ptm": {
                    "ptm_type": "Fixed",
                    "ptm": {
                        "abbreviation": "Carbamidomethylation",
                        "unimod": "-1",
                        "mono_mass": "57.0214640000"
                    },
                    "occurence": [
                        {
                            "left_pos": "58",
                            "right_pos": "59",
                            "anno": "C"
                        },
                        {
                            "left_pos": "124",
                            "right_pos": "125",
                            "anno": "C"
                        }
                    ]
                },
                "mass_shift": {
                    "id": "0",
                    "left_position": "14",
                    "right_position": "125",
                    "shift": "496.3322484836",
                    "anno": "+496.3322",
                    "shift_type": "unexpected"
                }
            }
        }
    }
}
