Vitamin K - function Cofactor of liver microsomal carboxylase which carboxylatesglutamate residues to g-carboxyglutamate during synthesis of prothrombin and coagulation factors VII, IX a X (posttranslation reaction).
Vitamin K1 Vitamin K2 Synthetic derivatives of Vit.K Vitamin K Vitamin K1 (phylloquinon) – plant origin Vitamin K2 (menaquinon) – normally produced by bacteria in the large intestine K1 a K2 are used differently in the body K1 – used mainly for blood clothing K2 – important in non-coagulation actions - as in metabolism and bone mineralization, in cell growth, metabolism of blood vessel walls cells. They are needed for the postranslation modification of proteins required for blood coagulation, They are involved in metabolism pathways, in bone mineralisation, cell growth, metabolism of blood vessel wall. Vitamin K Vitamin K is a group of lipophilic, hydrophobic vitamins.
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