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Plasma Kallikrein 1B

Function

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.

Involvement in disease

Prekallikrein deficiency

PKK deficiency

This disorder is a blood coagulation defect.

None

The disease is caused by variants affecting the gene represented in this entry.

Sequence similarities

Belongs to the peptidase S1 family. Plasma kallikrein subfamily.

Cellular localization

  • Secreted

Alternative names

  • Plasma kallikrein
  • Fletcher factor
  • Kininogenin
  • Plasma prekallikrein
  • PKK
  • KLKB1
  • KLK3

Target type

Proteins

Molecular weight

71370Da