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ビタミンK (Vitamin K) は、脂溶性ビタミンの一種である。ビタミンK依存性タンパク質の活性化に必須であり、動物体内で血液の凝固や組織の石灰化に関わっている。
Vitamin K is a family of structurally similar, fat-soluble vitamers found in foods and marketed as dietary supplements.
Vitamin K antagonists (VKA) are a group of substances that reduce blood clotting by reducing the action of vitamin K.
Vitamin K epoxide reductase (VKOR) is an enzyme (EC 1.17.4.4) that reduces vitamin K after it has been oxidised in the carboxylation of glutamic acid residues.
K 2 is both a tissue and bacterial product (derived from vitamin K 1 in both cases) and is usually found in animal products or fermented foods.
Warfarin causes inhibition on VKORC1 activities and leads to a reduced amount of vitamin K available to serve as a cofactor for clotting proteins.
It is sometimes called vitamin K3. Use is allowed as a nutritional supplement in animal feed because of its vitamin K activity. Menadione ...
Antidote Vitamin K1. The primary mechanism of the 4-hydroxycoumarin drugs is the inhibition of vitamin K epoxide reductase. These compounds are not direct ...
The systematic name of this enzyme class is (S)-malate:quinone oxidoreductase. Other names in common use include FAD-dependent malate-vitamin K reductase, ...
Menatetrenone (INN), also known as menaquinone-4 (MK-4), is one of the nine forms of vitamin K2. Menatetrenone. Structural formula of menatetrenone.