carboxypeptidase i , like several other plant carboxypeptidases such as carboxypeptidase c which have now ( iub recommendations 1978 ) been classified as serine carboxypeptidases ( ec 3.4.16.1 ) , has maximum activity around ph 5 and has esterase activity .
C0007075
carboxypeptidase
C0108471
carboxypeptidases