{"id":976,"sequence":"RPLSGGHVTR","proforma":"[Oxidation]?RPLSGGHVTR","modifications":[{"name":"Oxidation","count":1,"n_term":false,"unimod":35,"position":null,"residues":"HW"}],"mods_ambiguous":false,"neutral_mass":1094.5944892836999,"mh":1095.60177,"url":"https://msipep.com/peptide/976/"}