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Nucleoside Q MeSH Descriptor Data 2022


MeSH Heading
Nucleoside Q
Tree Number(s)
D03.633.100.759.590.454.500
D13.570.583.454.500
D13.570.800.453.500
Unique ID
D009704
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D009704
Annotation
/biosyn /‌physiol permitted
Scope Note
A modified nucleoside which is present in the first position of the anticodon of tRNA-tyrosine, tRNA-histidine, tRNA-asparagine and tRNA-aspartic acid of many organisms. It is believed to play a role in the regulatory function of tRNA. Nucleoside Q can be further modified to nucleoside Q*, which has a mannose or galactose moiety linked to position 4 of its cyclopentenediol moiety.
Entry Term(s)
Nucleoside Q*
Q Nucleoside
Q-Ribonucleoside
Queuosine
Registry Number
57072-36-3
Related Numbers
70293-97-9
CAS Type 1 Name
4H-Pyrrolo(2,3-d)pyrimidin-4-one, 2-amino-5-(((4,5-dihydroxy-2-cyclopenten-1-yl)amino)methyl)-1,7-dihydro-7-beta-D-ribofuranosyl-, (1S-(1alpha,4beta,5beta))-
Previous Indexing
Guanosine (1972-1974)/analogs & derivatives (1975-1979)
Nucleosides (1966-1971)
Public MeSH Note
91; was see under GUANOSINE 1980-90
History Note
91(80); was see under GUANOSINE 1980-90
Date Established
1991/01/01
Date of Entry
1979/05/23
Revision Date
2016/05/31
Nucleoside Q Preferred
Nucleoside Q* Narrower
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