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Queuosine is a
modified nucleoside that is
present in
certain tRNAs in
bacteria and eukaryotes. It
contains the
nucleobase queuine.
Originally identified...
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Escherichia coli. The
stimulation is part of the
biosynthesis pathway of
queuosine. The
enzyme from
Escherichia coli can also
convert 6-pyruvoyl-5,6,7,8-tetrahydropterin...
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editing page.
Queuine (Q) is a
modified nucleotide at
position 34 in tRNA (
queuosine is the name of the nucleoside,
while queuine is the name of the nucleotide)...
- a tRNA-
queuosine beta-mannosyltransferase (EC 2.4.1.110) is an
enzyme that
catalyzes the
chemical reaction GDP-mannose + tRNAAsp-
queuosine ⇌ {\displaystyle...
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exclusively by bacteria, it is a ****tive vitamin. The
nucleoside of
queuine is
queuosine.
Queuine is not
found in the tRNA of archaea; however, a
related 7-deazaguanine...
- S-Adenosylmethionine:tRNA ribosyltransferase-isomerase (EC 2.4.99.17, QueA enzyme,
queuosine biosynthesis protein QueA) is an
enzyme with
systematic name...
- in
biosynthesis of the
nucleoside queuosine (Q) from GTP. PreQ1 (pre-queuosine1) is an
intermediate in the
queuosine pathway, and preQ1 riboswitch, as...
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cyclohydrolase I, part of the tetrahydrobiopterin, tetrahydrofolate,
queuosine and
other biosynthetic pathways GTP
cyclohydrolase Ia, GTP cyclohydrolase...
-
encodes the
protein queuosine salvage protein. The
function and
biological process of the
queuosine salvage protein is a
queuosine-nucleotide N-glycosylase/hydrolase...
- that bind pre-queuosine1 (PreQ1), a
precursor to the
modified nucleoside queuosine. PreQ1-III
riboswitches are the
third class of
riboswitches to be discovered...
