{"id":1398,"sequence":"VVDLMAHMASKE","proforma":"VVDLMAHM[Oxidation]ASKE","modifications":[{"name":"Oxidation","count":1,"n_term":false,"unimod":35,"position":8,"residues":"M"}],"mods_ambiguous":false,"neutral_mass":1345.6370079137,"mh":1346.64428,"url":"https://msipep.com/peptide/1398/"}