{"id":1241,"sequence":"TELETAMGMIIDVFSR","proforma":"[Acetyl]-TELETAMGMIIDVFSR","modifications":[{"name":"Acetyl","count":1,"n_term":true,"unimod":1,"position":null,"residues":""}],"mods_ambiguous":false,"neutral_mass":1853.8903220437,"mh":1854.8976,"url":"https://msipep.com/peptide/1241/"}