{"id":1080,"sequence":"TGHPGTVGPAGIR","proforma":"[Oxidation]?TGHPGTVGPAGIR","modifications":[{"name":"Oxidation","count":1,"n_term":false,"unimod":35,"position":null,"residues":"P"}],"mods_ambiguous":false,"neutral_mass":1234.6418333937,"mh":1235.64911,"url":"https://www.msipep.com/peptide/1080/"}