{"id":608,"sequence":"DGNPGNDGPPGR","proforma":"[Oxidation]^2?DGNPGNDGPPGR","modifications":[{"name":"Oxidation","count":2,"n_term":false,"unimod":35,"position":null,"residues":"P"}],"mods_ambiguous":false,"neutral_mass":1183.4853923237001,"mh":1184.49267,"url":"https://www.msipep.com/peptide/608/"}