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. 2009 Dec 24;1:22. doi: 10.1186/1758-2946-1-22

Figure 3.

Figure 3

Conserved ACE residues that interact with lisinopril. A) tACE active site (green) [22]. B) The N-domain active site of sACE (purple) [29]. Zinc ion shown in magenta; atoms are coloured as follows: red for oxygen, blue for nitrogen, cyan for carbon and grey for hydrogen.