Protein C inhibitor

Protein C inhibitor (PCI, SERPINA5) is a serine protease inhibitor (is_associated_with::serpin) which limits the activity of is_associated_with::protein C (an is_associated_with::anticoagulant).

An is_associated_with::N-terminal fragment of PCI is a possible serum biomarker for is_associated_with::prostate cancer.

Protein C inhibitor is activated by is_associated_with::heparin against thrombin.

Interactions
Protein C inhibitor has been shown to interact with is_associated_with::prostate specific antigen, is_associated_with::protein C  and is_associated_with::PLAU.