{"id":1307,"sequence":"KAMEAVAAQGK","proforma":"KAM[Oxidation]EAVAAQGK","modifications":[{"name":"Oxidation","count":1,"n_term":false,"unimod":35,"position":3,"residues":"M"}],"mods_ambiguous":false,"neutral_mass":1118.5753936437,"mh":1119.58267,"url":"https://www.msipep.com/peptide/1307/"}