ocr: alanine Ala arginine arg asparagine asn aspartic acid Asp csteine Crs glutamine 6ln glutamic acld 5lu E glycine G1r - histidine Hs H isoleucine Ile I leucine Leu L lrsine Lys X ethionine det a phenylalanine Phe F proline Pro - P serine Ser S Chreonine Thr tryptophan Irp tyrosine IYI valine Tal