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L-Ribose Fischer Projection. Ribose is a simple sugar and carbohydrate with molecular formula C 5 H 10 O 5 and the linear-form composition H−(C=O)−(CHOH) 4 −H. The naturally occurring form, d-ribose, is a component of the ribonucleotides from which RNA is built, and so this compound is necessary for coding, decoding, regulation and expression of genes.
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Several isomers exist with the formula H−(C=O)−(CH 2)−(CHOH) 3 −H, but in deoxyribose all the hydroxyl groups are on the same side in the Fischer projection.The term "2-deoxyribose" may refer to either of two enantiomers: the biologically important d-2-deoxyribose and to the rarely encountered mirror image l-2-deoxyribose.
D-Ribose pyranase is an enzyme that catalyzes the interconversion of β-D-ribopyranose and β-D-ribofuranose. [1] This enzyme is an isomerase that has only been found in bacteria and viruses . It has two known functions of helping transport ribose into cells and producing β- D -ribofuranose, which can later be used to make ribose 5-phosphate ...
The Fischer projection is a systematic way of drawing the skeletal formula of an open-chain monosaccharide so that each stereoisomer is uniquely identified. Two isomers whose molecules are mirror-images of each other are identified by prefixes ' D-' or ' L-', according to the handedness of the chiral carbon atom that is farthest from the carbonyl.
The following other wikis use this file: Usage on bg.wikipedia.org Рибоза; Usage on bn.wikipedia.org রাইবোজ; Usage on bs.wikipedia.org
Deutsch: Struktur von beta-D-Ribofuranose (Haworth-Schreibweise). English: Structure of beta-D- ribofuranose ( Haworth projection ). Español: Estructura química de la ribosa ( Proyección de Haworth ).
The same diagram used for d-ribose in the summary is then used for l-ribose when comparing d-ribose to l-ribose. I presume this is a mistake or some annotations are needed to describe the differences in projections. 2604:CA00:10B:4543:0:0:1060:3F17 17:44, 20 January 2022 (UTC)