KEGG   ENZYME: 2.2.1.4Help
Entry
EC 2.2.1.4                  Enzyme                                 

Name
acetoin---ribose-5-phosphate transaldolase;
1-deoxy-D-altro-heptulose-7-phosphate synthetase;
1-deoxy-D-altro-heptulose-7-phosphate synthase;
3-hydroxybutan-2-one:D-ribose-5-phosphate aldehydetransferase [wrong substrate name]
Class
Transferases;
Transferring aldehyde or ketonic groups;
Transketolases and transaldolases
BRITE hierarchy
Sysname
3-hydroxybutan-2-one:D-ribose-5-phosphate aldehydetransferase
Reaction(IUBMB)
3-hydroxybutan-2-one + D-ribose 5-phosphate = acetaldehyde + 1-deoxy-D-altro-heptulose 7-phosphate [RN:R02345]
Reaction(KEGG)
Substrate
3-hydroxybutan-2-one [CPD:C00466];
D-ribose 5-phosphate [CPD:C00117]
Product
acetaldehyde [CPD:C00084];
1-deoxy-D-altro-heptulose 7-phosphate [CPD:C04359]
Comment
A thiamine-diphosphate protein.
History
EC 2.2.1.4 created 1989
Reference
1
  Authors
Yokota, A. and Sasajima, K.
  Title
Enzymatic formation of a new monosaccharide, 1-deoxy-D-altro-heptulose phosphate, from DL-acetoin and D-ribose 5-phosphate by a transketolase mutant of Bacillus pumilus.
  Journal
Agric. Biol. Chem. 47 (1983) 1545-1553.
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
87843-76-3

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