{"id":607,"sequence":"DGLNGLPGPIGPPGPR","proforma":"[Oxidation]^3?DGLNGLPGPIGPPGPR","modifications":[{"name":"Oxidation","count":3,"n_term":false,"unimod":35,"position":null,"residues":"P"}],"mods_ambiguous":false,"neutral_mass":1560.7896198337,"mh":1561.7969,"url":"https://msipep.com/peptide/607/"}