The terms "metallo carboxypeptidase", "metallo-carboxypeptidase" and "metallocarboxypeptidase" are used to describe a metalloexopeptidase carboxypeptidase. These peptidases specifically target the C-terminus, the unbound carboxyl group (-COOH) at one distinct end of the amino acid chain (cutting one side from a loaf of bread rather than the end).
Using the Enzyme Commission number (EC number) system, metallocarboxypeptidases fall under EC 3.4.17.1 Examples of these compounds in the human genome include AGBL1 and AGBL2, known also as ATP/GTP Binding Protein-Like 1 and 2, respectively. The former resides in Chromosome 15 and is made up of 951,392 base pairs (bases) while the latter resides in Chromosome 11 and is made up of 56,221 bases.23
"ENZYME: 3.4.17.-". enzyme.expasy.org. Retrieved 2016-05-21. https://enzyme.expasy.org/EC/3.4.17.- ↩
"AGBL1". www.genecards.org. Retrieved 2016-05-21. https://www.genecards.org/cgi-bin/carddisp.pl?gene=AGBL1 ↩
"AGBL2". www.genecards.org. Retrieved 2016-05-21. https://www.genecards.org/cgi-bin/carddisp.pl?gene=AGBL2 ↩