{"id":814,"sequence":"LAPEVMEDLVK","proforma":"LAPEVM[Oxidation]EDLVK","modifications":[{"name":"Oxidation","count":1,"n_term":false,"unimod":35,"position":6,"residues":"M"}],"mods_ambiguous":false,"neutral_mass":1258.6478898637,"mh":1259.65517,"url":"https://www.msipep.com/peptide/814/"}