Queuosine is a modified nucleoside that is present in certain tRNAs in bacteria and eukaryotes. It contains the nucleobase queuine. Originally identified...
6 KB (430 words) - 22:37, 6 May 2023
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...
2 KB (193 words) - 12:46, 26 August 2023
Epitranscriptome (section Queuosine)
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)...
61 KB (7,732 words) - 20:34, 13 May 2024
a tRNA-queuosine beta-mannosyltransferase (EC 2.4.1.110) is an enzyme that catalyzes the chemical reaction GDP-mannose + tRNAAsp-queuosine ⇌ {\displaystyle...
2 KB (140 words) - 18:26, 23 January 2024
in biosynthesis of the nucleoside queuosine (Q) from GTP. PreQ1 (pre-queuosine1) is an intermediate in the queuosine pathway, and preQ1 riboswitch, as...
19 KB (2,058 words) - 23:58, 30 June 2024
S-Adenozilmetionin:tRNA ribosyltransferase-isomerase (redirect from Queuosine biosynthesis protein QueA)
S-Adenosylmethionine:tRNA ribosyltransferase-isomerase (EC 2.4.99.17, QueA enzyme, queuosine biosynthesis protein QueA) is an enzyme with systematic name...
4 KB (375 words) - 18:42, 23 January 2024
exclusively by bacteria, it is a putative vitamin. The nucleoside of queuine is queuosine. Queuine is not found in the tRNA of archaea; however, a related 7-deazaguanine...
11 KB (952 words) - 16:58, 3 July 2023
that bind pre-queuosine1 (PreQ1), a precursor to the modified nucleoside queuosine. PreQ1-III riboswitches are the third class of riboswitches to be discovered...
2 KB (241 words) - 20:47, 14 September 2021
synthase into 6-pyruvoyl-tetrahydropterin. It is also used in the Queuosine/Archeosine Pathway.[citation needed] Dihydroneopterin Triphosphate 7,8-dihydroneopterin...
3 KB (131 words) - 18:21, 2 March 2024
encodes the protein queuosine salvage protein. The function and biological process of the queuosine salvage protein is a queuosine-nucleotide N-glycosylase/hydrolase...
6 KB (652 words) - 13:00, 20 January 2024