Title : Effect of sodium on the energetics of thrombin-thrombomodulin interaction and its relevance for protein C hydrolysis.

Pub. Date : 1996 Apr 26

PMID : 8613987






5 Functional Relationships(s)
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1 Effect of sodium on the energetics of thrombin-thrombomodulin interaction and its relevance for protein C hydrolysis. Sodium coagulation factor II, thrombin Homo sapiens
2 Namely, at 25 degrees C, the value of delta G of sodium binding was found equal to -2.4 kcal/mol in the absence of TM and -3.6 kcal/mol for the thrombin-TM complex. Sodium coagulation factor II, thrombin Homo sapiens
3 The enthalpic contribution to the free energy of sodium binding is equal to -27 kcal/mol and -21 kcal/mol in the TM-free and TM-bound thrombin forms, respectively. Sodium coagulation factor II, thrombin Homo sapiens
4 Finally, the entropy change for sodium binding was also affected by TM, being equal to -83 cal/(mol deg) and -58 cal/(mol deg) in TM-free and TM-bound thrombin species, respectively. Sodium coagulation factor II, thrombin Homo sapiens
5 Therefore, the effect of sodium binding to thrombin on the hydrolysis of human Protein C was extensively investigated. Sodium coagulation factor II, thrombin Homo sapiens