The Enzyme Database

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EC 4.2.1.28     
Accepted name: propanediol dehydratase
Reaction: propane-1,2-diol = propanal + H2O
Other name(s): 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; RiDD
Systematic name: propane-1,2-diol hydro-lyase (propanal-forming)
Comments: Two different forms of the enzyme have been described. One form requires a cobamide coenzyme, while the other is a glycyl radical enzyme. The cobamide-dependent enzyme has been shown to also dehydrate ethylene glycol to acetaldehyde.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 9026-90-8
References:
1.  Abeles, R.H. and Lee, H.A., Jr. An intramolecular oxidation-reduction requiring a cobamide coenzyme. J. Biol. Chem. 236 (1961) 2347–2350. [PMID: 13680987]
2.  Lee, H.A. and Abeles, R.H. Purification and properties of dioldehydrase, and enzyme requiring a cobamide coenzyme. J. Biol. Chem. 238 (1963) 2367–2373. [PMID: 13929077]
3.  Forage, R.G. and Foster, M.A. Glycerol fermentation in Klebsiella pneumoniae: functions of the coenzyme B12-dependent glycerol and diol dehydratases. J. Bacteriol. 149 (1982) 413–419. [PMID: 7035429]
4.  LaMattina, J.W., Keul, N.D., Reitzer, P., Kapoor, S., Galzerani, F., Koch, D.J., Gouvea, I.E. and Lanzilotta, W.N. 1,2-Propanediol dehydration in Roseburia inulinivorans: structural basis for substrate and enantiomer selectivity. J. Biol. Chem. 291 (2016) 15515–15526. [DOI] [PMID: 27252380]
[EC 4.2.1.28 created 1965]
 
 


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