{"id":668,"sequence":"GLTLPCLPWRR","proforma":"[Oxidation]?GLTLPCLPWRR","modifications":[{"name":"Oxidation","count":1,"n_term":false,"unimod":35,"position":null,"residues":""}],"mods_ambiguous":false,"neutral_mass":1326.7230609237,"mh":1327.73034,"url":"https://msipep.com/peptide/668/"}