Alkohol dehidrogenaza (nikotinoprotein)

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Alkohol dehidrogenaza (nikotinoprotein)
Identifikatori
EC broj 1.1.99.36
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum

Alkohol dehidrogenaza (nikotinoprotein) (EC 1.1.99.36, NDMA-zavisna alkoholna dehidrogenaza, nikotinoprotein alkoholna dehidrogenaza, np-ADH, etanol:N,N-dimetil-4-nitrosoaniline oksidoreduktaza) je enzim sa sistematskim imenom etanol:akceptor oksidoreduktaza.[1][2][3][4][5] Ovaj enzim katalizuje sledeću hemijsku reakciju

etanol + akceptor acetaldehid + redukovani akceptor

Ovaj enzim sadrži Zn2+. Dehidrogenaze nikotinoproteinskog alkohola su jedistvene dehidrogenaze/reduktaze alkohola sa lancem srednje dužine. One sadrže čvrsto vezani NAD+/NADH kofaktor koji se ne disocira tokom katalitičkog procesa. Umesto toga, kofaktor se regeneriše drugim supstratom ili nosiocem elektrona.

Reference[uredi | uredi kod]

  1. Van Ophem, P.W., Van Beeumen, J. and Duine, J.A. (1993). „Nicotinoprotein [NAD(P)-containing] alcohol/aldehyde oxidoreductases. Purification and characterization of a novel type from Amycolatopsis methanolica”. Eur. J. Biochem. 212: 819-826. PMID 8385013. 
  2. Piersma, S.R., Visser, A.J., de Vries, S. and Duine, J.A. (1998). „Optical spectroscopy of nicotinoprotein alcohol dehydrogenase from Amycolatopsis methanolica: a comparison with horse liver alcohol dehydrogenase and UDP-galactose epimerase”. Biochemistry 37: 3068-3077. PMID 9485460. 
  3. Schenkels, P. and Duine, J.A. (2000). „Nicotinoprotein (NADH-containing) alcohol dehydrogenase from Rhodococcus erythropolis DSM 1069: an efficient catalyst for coenzyme-independent oxidation of a broad spectrum of alcohols and the interconversion of alcohols and aldehydes”. Microbiology 146: 775-785. PMID 10784035. 
  4. Piersma, S.R., Norin, A., de Vries, S., Jornvall, H. and Duine, J.A. (2003). „Inhibition of nicotinoprotein (NAD+-containing) alcohol dehydrogenase by trans-4-(N,N-dimethylamino)-cinnamaldehyde binding to the active site”. J. Protein Chem. 22: 457-461. PMID 14690248. 
  5. Norin, A., Piersma, S.R., Duine, J.A. and Jornvall, H. (2003). „Nicotinoprotein (NAD+ -containing) alcohol dehydrogenase: structural relationships and functional interpretations”. Cell. Mol. Life Sci. 60: 999-1006. PMID 12827287. 

Literatura[uredi | uredi kod]

Vanjske veze[uredi | uredi kod]