|Angiotensin-converting enzyme 2 is a newly recognized ACE homolog within the renin-angiotensin system (RAS) that is produced and secreted by a variety of cell types. Although ACE2 may act on several substrates, it exhibits high catalytic efficiency, specifically for the hydrolysis of angiotensin (Ang) II to the vasodilator and growth inhibitor heptapeptide.
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