{"id":833,"sequence":"MFLSFPTTK","proforma":"[Oxidation]?MFLSFPTTK","modifications":[{"name":"Oxidation","count":1,"n_term":false,"unimod":35,"position":null,"residues":"M"}],"mods_ambiguous":false,"neutral_mass":1086.5419682337,"mh":1087.54924,"url":"https://msipep.com/peptide/833/"}