title: Two forms of the human prothrombin converting enzyme (active factor X).
mesh_terms: D001780:Blood Coagulation Tests; D002118:Calcium / Q000378:metabolism; D002848:Chromatography, DEAE-Cellulose; D002951:Citrates; D005165:Factor V / Q000378:metabolism; D005170:Factor X / Q000032:analysis / Q000302:isolation & purification*; D006801:Humans; D008722:Methods; D010743:Phospholipids / Q000378:metabolism; D011516:Prothrombin / Q000378:metabolism*; D012964:Sodium; D013917:Thrombin / Q000378:metabolism*
chemical_list: D002951:Citrates; D010743:Phospholipids; D005165:Factor V; D011516:Prothrombin; D005170:Factor X; D012964:Sodium; D013917:Thrombin; D002118:Calcium