The conversion of prethrombin to thrombin.
D000818:Animals; D001777:Blood Coagulation; D002122:Calcium Chloride / Q000494:pharmacology; D002417:Cattle; D005170:Factor X / Q000494:pharmacology*; D006863:Hydrogen-Ion Concentration; D010714:Phosphatidylethanolamines / Q000494:pharmacology; D012712:Serum Globulins / Q000494:pharmacology*; D013917:Thrombin / Q000378:metabolism*
D010714:Phosphatidylethanolamines; D012712:Serum Globulins; D005170:Factor X; D013917:Thrombin; D002122:Calcium Chloride