{"id":1130,"sequence":"YSMVGGNLVINNPDK","proforma":"YSM[Oxidation]VGGNLVINNPDK","modifications":[{"name":"Oxidation","count":1,"n_term":false,"unimod":35,"position":3,"residues":"M"}],"mods_ambiguous":false,"neutral_mass":1635.7926565937,"mh":1636.79993,"url":"https://www.msipep.com/peptide/1130/"}