Target intelligence / Profile preview

Peptidyl-dipeptidase A (None)

Target
None
Molecular classification
Enzyme, Hydrolase, Peptidase, Metallopeptidase, M2 Metallopeptidases
01

Overview

Peptidyl-dipeptidase A is a membrane-bound, chloride-dependent glycoprotein enzyme that acts as an exopeptidase, catalyzing the release of C-terminal dipeptides from oligopeptides. It is most notable for its role in converting angiotensin I to angiotensin II, a key step in blood pressure regulation. The enzyme does not act on peptide bonds where the penultimate residue (Xaa) is proline or the terminal residue (Yaa) is aspartic acid or glutamic acid. It also inactivates bradykinin. Selective inhibitors targeting peptidyl-dipeptidase A are widely used as antihypertensive agents.

Other names
ACEAngiotensin I-converting enzymeDipeptidyl carboxypeptidase IKininase IICarboxycathepsinPeptidyl dipeptidase IKininase ACD143 Antigens
02

Mechanism of action

Inhibition of angiotensin I conversion to angiotensin II, thereby reducing vasoconstriction and blood pressure.

03

Biological functions

Conversion of angiotensin I to angiotensin IIBradykinin inactivationBlood pressure regulationCatalysis of C-terminal dipeptide releaseGlycosidase activity
04

Disease associations

Cardiovascular diseaseHypertension
05

Interacting drugs

ACE inhibitors

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