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. 1999 Feb 16;119(3):513–520. doi: 10.1016/S0305-0491(98)00012-1

Fig. 2.

Fig. 2

Comparison of amino acid sequences of aminopeptidase Ey, aminopeptidases N from human [22], pig [23], rabbit [38]and rat [36], and aminopeptidase A from human [13]and mouse [37]. Ey, N (human), N (pig), N (rabbit), N (rat), A (human) and A (mouse) indicate aminopeptidase Ey, human intestinal aminopeptidase N, pig kidney aminopeptidase N, rabbit kidney aminopeptidase N, rat kidney aminopeptidase N, human aminopeptidase A and rat aminopeptidase A, respectively. Boxes enclose residues identical to the corresponding aminopeptidase Ey. Triangles (▾) identify the His and Glu residues corresponding to zinc ligands motif in aminopeptidase N from rabbit [38]. Circle (•) shows Glu residues identical to the catalytic site corresponding to aminopeptidase N from rabbit [38].