amino acids present were : l-leucine , cysteine , dl-alanine , l-arginine , l-tyrosine , l-aspargine , l-proline , glycine , dl-valine , l-histidine , l-glutamic , l-lysine , l-aspartic , dl-tryptophan , l-cystine , dl-serine and dl-phenylalanine .
C0002520
amino acids
C0017890
glycine