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Blood coagulation factor X (FX) in human seminal plasma
Y Matsuda1, K Shimokawa, M Katayama
1Meiji Pharmaceutical University, Kiyose-shi, Tokyo, Japan.
Archives of Andrology
|July 26, 2002
Abstract:
The active form of human blood coagulation factor X (FXa, EC 3.4.21.6) showing N-alpha-Benzoyl-L-isoleucyl-L-glutamyl-L-glycyl-L-arginine- p-nitroanilide (S-2222) hydrolyzing activity was first detected in human semen (seminal plasma) by affinity chromatography using anti-human coagulation factor X, and this enzyme activity was inhibited by anti-human FX. This enzyme has been associated with the human coagulation factor X (FX) in human semen (seminal plasma) by Western blot analysis, and the molecular mass of mature FX was also estimated to be 59 KDa by SDS-PAGE and Western blot analysis.