Hor vitamin K makes blood clot

Emsley, John
November 1991
New Scientist;11/23/91, Vol. 132 Issue 1796, p23
Presents research findings showing that vitamin K triggers the blood-clotting cascade by becoming a strong base. Success of researchers at the University of Pittsburgh, Pennsylvania, in establishing that vitamin K is important in modifying a protein so that it contains a double acid called gamma-carboxylglutamic acid; Identification of naphthaquinone head as the active center of the vitamin.


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