{"id":1373,"sequence":"SNMDNMFESYINNLR","proforma":"[Oxidation]?SNMDNMFESYINNLR","modifications":[{"name":"Oxidation","count":1,"n_term":false,"unimod":35,"position":null,"residues":"M"}],"mods_ambiguous":false,"neutral_mass":1862.7927332537,"mh":1863.80001,"url":"https://www.msipep.com/peptide/1373/"}