Nucleoside Q

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.

Also Known As:

Queuosine; Nucleoside Q*; Q Nucleoside; Q-Ribonucleoside; Q Ribonucleoside; 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))-

Heterocyclic Compounds: 207
- Fused-Ring Heterocyclic Compounds
  - 2-Ring Heterocyclic Compounds
    - Purines: 664
      - Purine Nucleosides: 362
        Guanosine: 1181
        Nucleoside Q: 27
Nucleic Acids, Nucleotides, and Nucleosides: 1
- Nucleosides: 6937
  - Purine Nucleosides: 362
    - Guanosine: 1181
      - Nucleoside Q: 27
  - Ribonucleosides: 49
    - Guanosine: 1181
      - Nucleoside Q: 27

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