ID 3.4.11.16 DE Xaa-Trp aminopeptidase. AN aminopeptidase W. AN aminopeptidase X-Trp. AN X-Trp aminopeptidase. CA Release of a variety of N-terminal residues (especially glutamate and CA leucine) from peptides, provided tryptophan (or at least phenylalanine or CA tyrosine) is the penultimate residue. Also acts on Glu-|-Trp, Leu-|-Trp CA and a number of other dipeptides. //