Kallikrein B, plasma (Fletcher factor) 1; The enzyme cleaves Lys-Arg and Arg-Ser bonds. It activates, in a reciprocal reaction, factor XII after its binding to a negatively charged surface. It also releases bradykinin from HMW kininogen and may also play a role in the renin-angiotensin system by converting prorenin into renin; Belongs to the peptidase S1 family. Plasma kallikrein subfamily.
Synonyms: KLKB1, KLKB1p, hKLKB1, C9IYG8, C9J075 ...