Large enhancement of functional activity of active site-inhibited factor VIIa due to protein dimerization: insights into mechanism of assembly/disassembly from tissue factor.

Abstract excerpt

Active site-inhibited blood clotting factor VIIa (fVIIai) binds to tissue factor (TF), a cell surface receptor that is exposed upon injury and initiates the blood clotting cascade. FVIIai blocks binding of the corresponding enzyme (fVIIa) or zymogen (fVII) forms of factor VII and inhibits coagulation. Although several studies have suggested that fVIIai may have superior anticoagulation effects in vivo, a...

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