Abstract
The conversion of prothrombin to thrombin is a key event in the coagulation of blood. Prothrombin fragment F1+2 is an activation peptide released from prothrombin during thrombin formation. Activation of prothrombin takes place in the presence of factor Xa, factor Va, calcium ions and a phospholipid suface (platelets). Prothrombin fragment F1+2 may be generated during thrombin formation in two ways. Either prothrombin is cleaved to prethrombin 2 and prothrombin fragment F1+2. Subsequently prethrombin 2 is further cleaved at one position to yield active thrombin. The alternative way of activation is that prothrombin is cleaved to meizothrombin still containing the prothrombin fragment F1+2, and is then processed to thrombin, liberating the prothrombin fragment F1+2. The prothrombin fragment F1+2 may further be cleaved by thrombin to fragments F1 and F2.
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Haeberli, A. (1999). Prothrombin fragment F1+2. In: Jespersen, J., Bertina, R.M., Haverkate, F. (eds) Laboratory Techniques in Thrombosis — a Manual. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4722-4_23
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DOI: https://doi.org/10.1007/978-94-011-4722-4_23
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