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Vitamin K2 or
menaquinone (MK) (/ˌmɛnəˈkwɪnoʊn/) is one of
three types of
vitamin K, the
other two
being vitamin K1 (phylloquinone) and K3 (menadione)...
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includes two
natural vitamers: vitamin K1 (phylloquinone) and vitamin K2 (
menaquinone).
Vitamin K2, in turn,
consists of a
number of
related chemical subtypes...
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Menatetrenone (INN), also
known as
menaquinone-4 (MK-4), is one of the nine
forms of
vitamin K2. MK-4 is the
major form of
Vitamin K in
vertebrate animals...
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succinate dehydrogenase FAD-binding site in
PROSITE Fumarate+reductase+(
menaquinone) at the U.S.
National Library of
Medicine Medical Subject Headings (MeSH)...
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Protoporphyrinogen IX
dehydrogenase (
menaquinone) (EC 1.3.5.3, HemG) is an
enzyme with
systematic name
protoporphyrinogen IX:
menaquinone oxidoreductase. This enzyme...
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Vitamin K2 (
menaquinone). In
menaquinone the side
chain is
composed of a
varying number of
isoprenoid residues....
- nov., sp. nov.: An
acidophilic chemoorganotrophic bacterium containing menaquinone from
acidic mineral environment". Curr. Microbiol. 22: 1–7. doi:10.1007/BF02106205...
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bacterium impairs the
production of the key
vitamins B2 (riboflavin) and K2 (
menaquinone) –
vitamins which are
implicated in many
physiological roles in humans...
- (tocopherols and tocotrienols)
Vitamin K
Vitamin K1 (phylloquinone)
Vitamin K2 (
menaquinone)
Vitamin K3 (menadione)
Carotenoids (not
accepted as
essential nutrients)...
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Vitamin E (tocopherols and tocotrienols)
Vitamin K (phylloquinones,
menaquinones, and menadiones) Some
sources include a fourteenth, choline. Vitamins...
