this peptide was composed of 13 amino acids : l-kynurenine , l-threo-3-methylglutamic acid , l-asparagine , l-aspartic acid ( 3 residues ) , glycine ( 2 residues ) , l-tryptophan , l-ornithine , d-alanine , d-serine and l-threonine .
C0002520
amino acids
C0017890
glycine