NADH:ubihinon reduktaza (Na+-transport)

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NADH:ubihinon reduktaza (Na+-transport)
Identifikatori
EC broj 1.6.5.8
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum

NADH:ubihinon reduktaza (Na+-transport) (EC 1.6.5.8, Na+-translocirajući NADH-hinon reduktaza, (Na+-NQR)) je enzim sa sistematskim imenom NADH:ubihinon oksidoreduktaza (Na+-translocating).[1][2][3][4][5] Ovaj enzim katalizuje sledeću hemijsku reakciju

NADH + H+ + ubihinon + n Na+in NAD+ + ubihinol + n Na+out

Ovaj flavoprotein sadrži dva kovalentno vezana FMN molekula, jedan nekovalentno vezan FAD, jedan riboflavin, i jedan [2Fe-2S] klaster.

Reference[uredi | uredi kod]

  1. Beattie, P., Tan, K., Bourne, R.M., Leach, D., Rich, P.R. and Ward, F.B. (1994). „Cloning and sequencing of four structural genes for the Na+-translocating NADH-ubiquinone oxidoreductase of Vibrio alginolyticus”. FEBS Lett. 356: 333-338. PMID 7805867. 
  2. Nakayama, Y., Hayashi, M. and Unemoto, T. (1998). „Identification of six subunits constituting Na+-translocating NADH-quinone reductase from the marine Vibrio alginolyticus”. FEBS Lett. 422: 240-242. PMID 9490015. 
  3. Bogachev, A.V., Bertsova, Y.V., Barquera, B. and Verkhovsky, M.I. (2001). „Sodium-dependent steps in the redox reactions of the Na+-motive NADH:quinone oxidoreductase from Vibrio harveyi”. Biochemistry 40: 7318-7323. PMID 11401580. 
  4. Barquera, B., Hellwig, P., Zhou, W., Morgan, J.E., Hase, C.C., Gosink, K.K., Nilges, M., Bruesehoff, P.J., Roth, A., Lancaster, C.R. and Gennis, R.B. (2002). „Purification and characterization of the recombinant Na+-translocating NADH:quinone oxidoreductase from Vibrio cholerae”. Biochemistry 41: 3781-3789. PMID 11888296. 
  5. Barquera, B., Nilges, M.J., Morgan, J.E., Ramirez-Silva, L., Zhou, W. and Gennis, R.B. (2004). „Mutagenesis study of the 2Fe-2S center and the FAD binding site of the Na+-translocating NADH:ubiquinone oxidoreductase from Vibrio cholerae”. Biochemistry 43: 12322-12330. PMID 15379571. 

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