prsm_data =
{
    "compatible_proteoform": {
        "sequence_id": "3",
        "sequence_name": "sp|P0ADE6|KBP_ECOLI",
        "sequence_description": "Potassium binding protein Kbp OS=Escherichia coli (strain K12) OX=83333 GN=kbp PE=1 SV=2",
        "proteoform_id": "4",
        "prsm_number": "2",
        "prsm": [
            {
                "prsm_id": "37",
                "p_value": "2.49e-31",
                "e_value": "2.49e-31",
                "fdr": "0",
                "matched_fragment_number": "37",
                "matched_peak_number": "42",
                "ms": {
                    "ms_header": {
                        "spectrum_file_name": "C:/toppic_tutorial/tutorial_3/ecoli_1_ms2.msalign",
                        "ms1_ids": "535",
                        "ms1_scans": "606",
                        "ids": "72",
                        "scans": "609",
                        "precursor_mono_mass": "16104.2316",
                        "precursor_charge": "8",
                        "precursor_mz": "2014.0362",
                        "feature_inte": "5.2975e+06"
                    },
                    "peaks": {
                        "peak": [
                            {
                                "spec_id": "72",
                                "peak_id": "0",
                                "monoisotopic_mass": "1465.8581",
                                "monoisotopic_mz": "1466.8654",
                                "intensity": "1087.12",
                                "charge": "1"
                            },
                            {
                                "spec_id": "72",
                                "peak_id": "1",
                                "monoisotopic_mass": "2445.2318",
                                "monoisotopic_mz": "2446.2391",
                                "intensity": "659.55",
                                "charge": "1"
                            },
                            {
                                "spec_id": "72",
                                "peak_id": "2",
                                "monoisotopic_mass": "2309.2518",
                                "monoisotopic_mz": "2310.2591",
                                "intensity": "19751.16",
                                "charge": "1",
                                "matched_ions_num": "1",
                                "matched_ions": {
                                    "matched_ion": {
                                        "ion_type": "Y",
                                        "match_shift": "0.0000000000",
                                        "theoretical_mass": "2309.2453",
                                        "ion_position": "128",
                                        "ion_display_position": "20",
                                        "ion_sort_name": "Y00020",
                                        "ion_left_position": "128",
                                        "mass_error": "0.0065",
                                        "ppm": "2.80"
                                    }
                                }
                            },
                            {
                                "spec_id": "72",
                                "peak_id": "3",
                                "monoisotopic_mass": "1839.9827",
                                "monoisotopic_mz": "1840.9900",
                                "intensity": "11070.59",
                                "charge": "1",
                                "matched_ions_num": "1",
                                "matched_ions": {
                                    "matched_ion": {
                                        "ion_type": "Y",
                                        "match_shift": "0.0000000000",
                                        "theoretical_mass": "1839.9731",
                                        "ion_position": "132",
                                        "ion_display_position": "16",
                                        "ion_sort_name": "Y00016",
                                        "ion_left_position": "132",
                                        "mass_error": "0.0097",
                                        "ppm": "5.26"
                                    }
                                }
                            },
                            {
                                "spec_id": "72",
                                "peak_id": "4",
                                "monoisotopic_mass": "1752.9523",
                                "monoisotopic_mz": "1753.9596",
                                "intensity": "13167.64",
                                "charge": "1",
                                "matched_ions_num": "1",
                                "matched_ions": {
                                    "matched_ion": {
                                        "ion_type": "Y",
                                        "match_shift": "0.0000000000",
                                        "theoretical_mass": "1752.9410",
                                        "ion_position": "133",
                                        "ion_display_position": "15",
                                        "ion_sort_name": "Y00015",
                                        "ion_left_position": "133",
                                        "mass_error": "0.0113",
                                        "ppm": "6.44"
                                    }
                                }
                            },
                            {
                                "spec_id": "72",
                                "peak_id": "5",
                                "monoisotopic_mass": "1719.8716",
                                "monoisotopic_mz": "1720.8789",
                                "intensity": "11421.40",
                                "charge": "1",
                                "matched_ions_num": "1",
                                "matched_ions": {
                                    "matched_ion": {
                                        "ion_type": "B",
                                        "match_shift": "0.0000000000",
                                        "theoretical_mass": "1719.8621",
                                        "ion_position": "15",
                                        "ion_display_position": "15",
                                        "ion_sort_name": "B00015",
                                        "ion_left_position": "15",
                                        "mass_error": "0.0096",
                                        "ppm": "5.57"
                                    }
                                }
                            },
                            {
                                "spec_id": "72",
                                "peak_id": "6",
                                "monoisotopic_mass": "2428.1793",
                                "monoisotopic_mz": "2429.1866",
                                "intensity": "4316.61",
                                "charge": "1",
                                "matched_ions_num": "1",
                                "matched_ions": {
                                    "matched_ion": {
                                        "ion_type": "B",
                                        "match_shift": "0.0000000000",
                                        "theoretical_mass": "2428.1812",
                                        "ion_position": "22",
                                        "ion_display_position": "22",
                                        "ion_sort_name": "B00022",
                                        "ion_left_position": "22",
                                        "mass_error": "-0.0019",
                                        "ppm": "-0.77"
                                    }
                                }
                            },
                            {
                                "spec_id": "72",
                                "peak_id": "7",
                                "monoisotopic_mass": "1968.0848",
                                "monoisotopic_mz": "1969.0921",
                                "intensity": "3827.34",
                                "charge": "1",
                                "matched_ions_num": "1",
                                "matched_ions": {
                                    "matched_ion": {
                                        "ion_type": "Y",
                                        "match_shift": "0.0000000000",
                                        "theoretical_mass": "1968.0680",
                                        "ion_position": "131",
                                        "ion_display_position": "17",
                                        "ion_sort_name": "Y00017",
                                        "ion_left_position": "131",
                                        "mass_error": "0.0168",
                                        "ppm": "8.53"
                                    }
                                }
                            },
                            {
                                "spec_id": "72",
                                "peak_id": "8",
                                "monoisotopic_mass": "1701.8638",
                                "monoisotopic_mz": "1702.8711",
                                "intensity": "1579.92",
                                "charge": "1"
                            },
                            {
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                                "peak_id": "9",
                                "monoisotopic_mass": "2786.3255",
                                "monoisotopic_mz": "2787.3328",
                                "intensity": "2511.27",
                                "charge": "1",
                                "matched_ions_num": "1",
                                "matched_ions": {
                                    "matched_ion": {
                                        "ion_type": "B",
                                        "match_shift": "0.0000000000",
                                        "theoretical_mass": "2786.3300",
                                        "ion_position": "25",
                                        "ion_display_position": "25",
                                        "ion_sort_name": "B00025",
                                        "ion_left_position": "25",
                                        "mass_error": "-0.0045",
                                        "ppm": "-1.61"
                                    }
                                }
                            },
                            {
                                "spec_id": "72",
                                "peak_id": "10",
                                "monoisotopic_mass": "1954.0123",
                                "monoisotopic_mz": "1955.0196",
                                "intensity": "737.38",
                                "charge": "1"
                            },
                            {
                                "spec_id": "72",
                                "peak_id": "11",
                                "monoisotopic_mass": "1889.9831",
                                "monoisotopic_mz": "1890.9904",
                                "intensity": "2839.04",
                                "charge": "1",
                                "matched_ions_num": "1",
                                "matched_ions": {
                                    "matched_ion": {
                                        "ion_type": "B",
                                        "match_shift": "0.0000000000",
                                        "theoretical_mass": "1889.9676",
                                        "ion_position": "17",
                                        "ion_display_position": "17",
                                        "ion_sort_name": "B00017",
                                        "ion_left_position": "17",
                                        "mass_error": "0.0155",
                                        "ppm": "8.22"
                                    }
                                }
                            },
                            {
                                "spec_id": "72",
                                "peak_id": "12",
                                "monoisotopic_mass": "1540.8705",
                                "monoisotopic_mz": "1541.8778",
                                "intensity": "22891.58",
                                "charge": "1",
                                "matched_ions_num": "1",
                                "matched_ions": {
                                    "matched_ion": {
                                        "ion_type": "Y",
                                        "match_shift": "0.0000000000",
                                        "theoretical_mass": "1540.8613",
                                        "ion_position": "135",
                                        "ion_display_position": "13",
                                        "ion_sort_name": "Y00013",
                                        "ion_left_position": "135",
                                        "mass_error": "0.0092",
                                        "ppm": "5.97"
                                    }
                                }
                            },
                            {
                                "spec_id": "72",
                                "peak_id": "13",
                                "monoisotopic_mass": "1661.0218",
                                "monoisotopic_mz": "1662.0291",
                                "intensity": "2526.50",
                                "charge": "1"
                            },
                            {
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                                "peak_id": "14",
                                "monoisotopic_mass": "2751.4627",
                                "monoisotopic_mz": "2752.4700",
                                "intensity": "1655.60",
                                "charge": "1",
                                "matched_ions_num": "1",
                                "matched_ions": {
                                    "matched_ion": {
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                                        "match_shift": "0.0000000000",
                                        "theoretical_mass": "2751.4629",
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                                        "ion_sort_name": "Y00024",
                                        "ion_left_position": "124",
                                        "mass_error": "-0.0002",
                                        "ppm": "-0.07"
                                    }
                                }
                            },
                            {
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                                "monoisotopic_mass": "991.5179",
                                "monoisotopic_mz": "992.5251",
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                                "matched_ions_num": "1",
                                "matched_ions": {
                                    "matched_ion": {
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                                        "match_shift": "0.0000000000",
                                        "theoretical_mass": "991.5127",
                                        "ion_position": "9",
                                        "ion_display_position": "9",
                                        "ion_sort_name": "B00009",
                                        "ion_left_position": "9",
                                        "mass_error": "0.0052",
                                        "ppm": "5.20"
                                    }
                                }
                            },
                            {
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                                "monoisotopic_mass": "1246.7573",
                                "monoisotopic_mz": "1247.7645",
                                "intensity": "3007.79",
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                            },
                            {
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                                "monoisotopic_mass": "2671.3033",
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                                "matched_ions": {
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                                        "ion_display_position": "24",
                                        "ion_sort_name": "B00024",
                                        "ion_left_position": "24",
                                        "mass_error": "0.0002",
                                        "ppm": "0.09"
                                    }
                                }
                            },
                            {
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                                "monoisotopic_mass": "2622.4229",
                                "monoisotopic_mz": "2623.4302",
                                "intensity": "3926.02",
                                "charge": "1",
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                                "matched_ions": {
                                    "matched_ion": {
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                                        "ion_sort_name": "Y00023",
                                        "ion_left_position": "125",
                                        "mass_error": "0.0026",
                                        "ppm": "0.99"
                                    }
                                }
                            },
                            {
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                                "monoisotopic_mass": "2898.5323",
                                "monoisotopic_mz": "2899.5396",
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                                "matched_ions": {
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                            },
                            {
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                                "monoisotopic_mass": "1906.0217",
                                "monoisotopic_mz": "1907.0290",
                                "intensity": "1369.79",
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                            },
                            {
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                                "monoisotopic_mz": "1605.8522",
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                                "matched_ions": {
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                            },
                            {
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                                "matched_ions": {
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                                    }
                                }
                            },
                            {
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                                "monoisotopic_mass": "1136.6255",
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                                "matched_ions": {
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                                        "ion_display_position": "10",
                                        "ion_sort_name": "Y00010",
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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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                            },
                            {
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                                "matched_ions": {
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                                    }
                                }
                            },
                            {
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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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                            {
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