Mast Cell Carboxypeptidase Hydrolyzes Angiotensin I to Yield Angiotensin-(1-9) Authored: May, B, 2011-12-23 EC Number: 3.4.17 Edited: May, B, 2011-12-23 GENE ONTOLOGYGO:0002003 Mast Cell Carboxypeptidase Hydrolyzes Angiotensin-(1-10) to Yield Angiotensin-(1-9) Mast cell carboxypeptidase (CPA3) hydrolyzes a single amino acid residue from the C-terminus of angiotensin-(1-10) (angiotensin I) to yield angiotensin-(1-9). Pubmed2443571 Pubmed2708524 Reactome Database ID Release 432028294 Reactome, http://www.reactome.org ReactomeREACT_147882 Reviewed: Joseph, J, 2012-08-06