. "\"The process in which inactive plasminogen is processed to active plasmin. This process includes cleavage at an internal Arg-Val site to form an N-terminal A-chain and C-terminal B-chain held together by a disulfide bond, and can include further proteolytic cleavage events to remove the preactivation peptide.\" [PMID:9548733]" . . "plasminogen activation" . "cleavage of plasminogen to plasmin" . .