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Erythrose is a tetrose saccharide with the chemical formula C 4 H 8 O 4. It has one aldehyde group, and is thus part of the aldose family. The natural isomer is D -erythrose; it is a diastereomer of D -threose .
Threose is a four-carbon monosaccharide with molecular formula C 4 H 8 O 4.It has a terminal aldehyde group rather than a ketone in its linear chain, and so is considered part of the aldose family of monosaccharides.
The transaldolase utilizes a Schiff base to perform a reverse aldol reaction and a forward aldol reaction in its mechanism, generating an erythrose 4-phosphate and fructose 6-phosphate. [4] The erythrose 4-phosphate is an important intermediate in the Pentose Phosphate Pathway because it is then used in the final non-oxidative step of the pathway.
Fischer projection of D-glyceraldehyde. Like most carbohydrates, simple aldoses have the general chemical formula C n (H 2 O) n.Because formaldehyde (n=1) and glycolaldehyde (n=2) are not generally considered to be carbohydrates, [1] the simplest possible aldose is the triose glyceraldehyde, which only contains three carbon atoms.
Erythritol (/ ɪ ˈ r ɪ θ r ɪ t ɒ l /, US: /-t ɔː l,-t oʊ l /) [2] is an organic compound, the naturally occurring achiral meso four-carbon sugar alcohol (or polyol). [3] It is the reduced form of either D- or L-erythrose and one of the two reduced forms of erythrulose.
D-erythrose In stereochemistry , diastereomers (sometimes called diastereoisomers ) are a type of stereoisomer . [ 1 ] Diastereomers are defined as non-mirror image, non-identical stereoisomers.
Erythrose; Erythrulose (or D-Erythrulose) Threose This page was last edited on 19 June 2021, at 18:32 (UTC). Text is available under the Creative Commons ...
The shikimate pathway (shikimic acid pathway) is a seven-step metabolic pathway used by bacteria, archaea, fungi, algae, some protozoans, and plants for the biosynthesis of folates and aromatic amino acids (tryptophan, phenylalanine, and tyrosine).