Medical Definition of Nucleoside q

1. (1s-(1 alpha,4 beta,5 beta))-2-amino-5-(((4,5-dihydroxy-2-cyclopenten-1-yl)amino)methyl)-1,7-dihydro-7-beta-d-ribofuranosyl-4h-pyrrolo(2,3-d)pyrimidin-4-one. 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. Chemical 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))- (12 Dec 1998)

Lexicographical Neighbors of Nucleoside Q

nucleosidases
nucleoside
nucleoside-diphosphate kinase
nucleoside-diphosphate sugars
nucleoside-diphosphosugar NAD+ 2-hexosyloxidoreductase
nucleoside-diphosphosugar pyrophosphatase
nucleoside-monophosphate
nucleoside-phosphate kinase
nucleoside-triphosphatase
nucleoside analogue
nucleoside bisphosphate
nucleoside deaminases
nucleoside diphosphate
nucleoside phosphorylase
nucleoside phosphorylases
nucleoside q (current term)
nucleoside reverse transcriptase inhibitor
nucleoside triphosphate
nucleoside triphosphate-adenylate kinase
nucleosides
nucleoskeletal
nucleoskeletal DNA
nucleoskeleton
nucleoskeletons
nucleosol
nucleosomal
nucleosome
nucleosomes
nucleospindle
nucleosyntheses

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