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  • 551-84-8, D-Xylulose, D-木酮糖, CAS:551-84-8
551-84-8, D-Xylulose, D-木酮糖, CAS:551-84-8

551-84-8, D-Xylulose, D-木酮糖, CAS:551-84-8

551-84-8,D-Xylulose,
D-木酮糖,
CAS:551-84-8
C5H10O5 / 150.13
MFCD00065958

D-木酮糖,D-Xylulose 

D-Xylulose is a ketopentose, a monosaccharide containing five carbon atoms and a ketone functional group. It is converted from xylitol in the glucoronate-xylulose pathway. D-Xylulokinase catalyzes the ATP-dependent phosphorylation of D-xylulose to produce xylulose 5-phosphate, which is linked to the pentose-phosphate pathway.

D-Xylulose, also known as D-lyxulose or D-threo-pentulose, belongs to the class of organic compounds known as pentoses. These are monosaccharides in which the carbohydrate moiety contains five carbon atoms. D-Xylulose exists as a liquid, soluble (in water), and a very weakly acidic compound (based on its pKa). D-Xylulose has been detected in multiple biofluids, such as urine, blood, and cerebrospinal fluid. Within the cell, D-xylulose is primarily located in the cytoplasm. D-Xylulose exists in all eukaryotes, ranging from yeast to humans. D-Xylulose participates in a number of enzymatic reactions. In particular, D-Xylulose can be biosynthesized from D-xylitol through the action of the enzyme D-xylulose reductase. In addition, D-Xylulose can be converted into xylulose 5-phosphate; which is catalyzed by the enzyme xylulose kinase. D-Xylulose has been linked to several inborn metabolic disorders including pentosuria and ribose-5-phosphate isomerase deficiency.

D-xylulose is the D-enantiomer of xylulose. It has a role as a human metabolite, an Escherichia coli metabolite, a Saccharomyces cerevisiae metabolite and a mouse metabolite. It is an enantiomer of a L-xylulose.

A 5-carbon keto sugar.

CAS Number551-84-8
Product NameD-xylulose
IUPAC Name(3S,4R)-1,3,4,5-tetrahydroxypentan-2-one
Molecular FormulaC5H10O5
Molecular Weight150.13 g/mol
InChIInChI=1S/C5H10O5/c6-1-3(8)5(10)4(9)2-7/h3,5-8,10H,1-2H2/t3-,5+/m1/s1
InChI KeyZAQJHHRNXZUBTE-WUJLRWPWSA-N
SMILESC(C(C(C(=O)CO)O)O)O
SynonymsLyxulose, Xylulose, Xylulose, (D-threo)-Isomer, Xylulose, (L-threo)-Isomer
Canonical SMILESC(C(C(C(=O)CO)O)O)O
Isomeric SMILESC([C@H]([C@@H](C(=O)CO)O)O)O

CAS No: 551-84-8 MDL No: MFCD00065958 Chemical Formula: C5H10O5 Molecular Weight: 150.13

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