Procollagen C-endopeptidase (, procollagen C-terminal proteinase, carboxyprocollagen peptidase, procollagen C-terminal peptidase, procollagen C-proteinase, procollagen carboxypeptidase, procollagen carboxy-terminal proteinase, procollagen peptidase) is an enzyme. This enzyme catalyses the following chemical reaction
This endopeptidase belongs to the peptidase family M12 (astacin family).