ExplorEnz: EC 3.4.17.23

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3.4.17.23

Accepted name:

angiotensin-converting enzyme 2

Reaction:

angiotensin II + H₂O = angiotensin-(1–7) + L-phenylalanine

Other name(s):

ACE-2; ACE2; hACE2; angiotensin converting enzyme 2; angiotensin converting enzyme-2; Tmem27

Comments:

A transmembrane glycoprotein with an extracellular catalytic domain. Angiotensin-converting enzyme 2 functions as a carboxypeptidase, cleaving a single C-terminal residue from a distinct range of substrates [2]. Catalytic efficiency is 400-fold higher with angiotensin II (1–8) as a substrate than with angiotensin I (1–10). Angiotensin-converting enzyme 2 also efficiently hydrolyses des-Arg⁹-bradykinin, but it does not hydrolyse bradykinin [1]. In peptidase family M2.

Links to other databases:

BRENDA, EXPASY, KEGG, MetaCyc, MEROPS, PDB

References:

1.	Vickers, C., Hales, P., Kaushik, V., Dick, L., Gavin, J., Tang, J., Godbout, K., Parsons, T., Baronas, E., Hsieh, F., Acton, S., Patane, M., Nichols, A. and Tummino, P. Hydrolysis of biological peptides by human angiotensin-converting enzyme-related carboxypeptidase. J. Biol. Chem. 277 (2002) 14838–14843. [DOI] [PMID: 11815627]
2.	Lambert, D.W., Hooper, N.M. and Turner, A.J. Angiotensin-converting enzyme 2 and new insights into the renin-angiotensin system. Biochem. Pharmacol. 75 (2008) 781–786. [DOI] [PMID: 17897633]
3.	Towler, P., Staker, B., Prasad, S.G., Menon, S., Tang, J., Parsons, T., Ryan, D., Fisher, M., Williams, D., Dales, N.A., Patane, M.A. and Pantoliano, M.W. ACE2 X-ray structures reveal a large hinge-bending motion important for inhibitor binding and catalysis. J. Biol. Chem. 279 (2004) 17996–18007. [DOI] [PMID: 14754895]

[EC 3.4.17.23 created 2009]