ribonucleoside

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American Heritage Dictionary:

ri·bo·nu·cle·o·side

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('bō-nū'klē-ə-sīd', -nyū'-) pronunciation
n.
A nucleoside that contains ribose as its sugar component.

[RIBO(SE) + NUCLEOSIDE.]


('bō-nū'klē-ə-sīd', -nyū'-)
n.

A nucleoside that contains ribose as its sugar component; as in uridine.


any nucleoside (def. 1) in which the glycose moiety is β-d-ribofuranose. The link is from C-1 of ribose to N-9 of a purine or to N-1 of a pyrimidine. To distinguish between the numbering systems of the base and sugar, the numbers of the sugar atoms are characterized by the addition of 'prime', i.e. 1′ to 5′. The various products have trivial names, e.g. adenosine, guanosine, cytidine, and uridine. Strictly, the term ribonucleoside should be confined to structures occurring in nucleic acids, but it can be used for any base—ribose compound. By extension, it can be applied to pseudouridine (which occurs in tRNA) with a C—C link between ribose and uracil.

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Next:ribonucleoside-diphosphate reductase, ribonucleoside-triphosphate reductase, ribonucleotide
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A nucleoside in which the purine or pyrimidine base is combined with ribose.

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