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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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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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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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reaction is the
fourth step in the
menaquinone biosynthetic pathway,
which is used by
bacteria to
synthesize menaquinone, also
known as
vitamin K2. OSBS...
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Vitamin K2 (
menaquinone). In
menaquinone the side
chain is
composed of a
varying number of
isoprenoid residues....
- in
Escherichia coli,
catalyzes the
fifth reaction in the
synthesis of
menaquinone (vitamin K2). This
pathway is
called 1, 4-dihydroxy-2-naphthoate biosynthesis...
- DMSO
reductase is a molybdenum-containing
enzyme that
catalyzes reduction of
dimethyl sulfoxide (DMSO) to
dimethyl sulfide (DMS). This
enzyme serves as...
- formyl,
methylene and
formimino groups Bacteria,
archaea and
eukaryotes Menaquinone Vitamin K None
Carbonyl group and
electrons Bacteria,
archaea and eukaryotes...
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Vitamin E (tocopherols and tocotrienols)
Vitamin K (phylloquinones,
menaquinones, and menadiones) Some
sources include a fourteenth, choline. Vitamins...
