KEGG   ENZYME: 4.2.1.28Help
Entry
EC 4.2.1.28                 Enzyme                                 

Name propanediol dehydratase;
meso-2,3-butanediol dehydrase;
diol dehydratase;
DL-1,2-propanediol hydro-lyase;
diol dehydrase;
adenosylcobalamin-dependent diol dehydratase;
propanediol dehydrase;
coenzyme B12-dependent diol dehydrase;
1,2-propanediol dehydratase;
dioldehydratase;
propane-1,2-diol hydro-lyase
Class Lyases;
Carbon-oxygen lyases;
Hydro-lyases
BRITE hierarchy
Sysname propane-1,2-diol hydro-lyase (propanal-forming)
Reaction(IUBMB) propane-1,2-diol = propanal + H2O [RN:R02376]
Reaction(KEGG) R02376
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Substrate propane-1,2-diol [CPD:C00583]
Product propanal [CPD:C00479];
H2O [CPD:C00001]
Cofactor Cobamide [CPD:C00210]
Comment Requires a cobamide coenzyme. Also dehydrates ethylene glycol to
acetaldehyde.
Pathway PATH: ec00561  Glycerolipid metabolism
Orthology KO: K01699  diol dehydratase
Genes RET: RHE_CH03790(yhch01100)
BME: BMEI0092
GOX: GOX0183
CGB: cg2830(pduO)
FAL: FRAAL5927
SEN: SACE_6271
FNU: FN1303
Taxonomy
Structures PDB: 1DIO  1EEX  1EGM  1EGV  1IWB  1UC4  1UC5  
Reference
  Authors
  Title
  Journal
  Organism
1  [PMID:13680987]
ABELES RH, LEE HA Jr.
An intramolecular oxidation-reduction requiring a cobamide coenzyme.
J. Biol. Chem. 236 (1961) 2347-50.
Aerobacter aerogenes
Reference
  Authors
  Title

  Journal
  Organism
2  [PMID:7035429]
Forage RG, Foster MA.
Glycerol fermentation in Klebsiella pneumoniae: functions of the
coenzyme B12-dependent glycerol and diol dehydratases.
J. Bacteriol. 149 (1982) 413-9.
Klebsiella pneumoniae
Reference
  Authors
  Title

  Journal
  Organism
3  [PMID:13929077]
LEE HA Jr, ABELES RH.
Purification and properties of dioldehydrase, and enzyme requiring a
cobamide coenzyme.
J. Biol. Chem. 238 (1963) 2367-73.
Aerobacter aerogenes
Other DBs ExplorEnz - The Enzyme Database: 4.2.1.28
IUBMB Enzyme Nomenclature: 4.2.1.28
ExPASy - ENZYME nomenclature database: 4.2.1.28
BRENDA, the Enzyme Database: 4.2.1.28
CAS: 9026-90-8

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