catalytic activity:Release of a C-terminal amino acid, but little or no action with -Asp, -Glu, -Arg, -Lys or -Pro.,cofactor:Binds 1 zinc ion per subunit.,disease:A chromosomal aberration disrupting CPA6 was found in a patient with Duane retraction syndrome (DURS) [MIM:126800]. Translocation t(6;8)(q26;q13).,similarity:Belongs to the peptidase M14 family.,
Secreted, extracellular space, extracellular matrix .
Expressed in the hippocampus, nucleus raphe, and cortex.