Askorbat ferireduktaza (transmembranska)

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Askorbat ferireduktaza (transmembranska)
Identifikatori
EC broj 1.16.5.1
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum

Askorbat ferireduktaza (transmembranska) (EC 1.16.5.1, citohrom b561 (nespecifična)) je enzim sa sistematskim imenom Fe(III):askorbatna oksidorektuktaza (translokacija elektrona).[1][2][3][4][5][6] Ovaj enzim katalizuje sledeću hemijsku reakciju

askorbat [strana 1] + Fe(III) [strana 2] monodehidroaskorbat [strana 1] + Fe(II) [strana 2]

Ovaj dihemni citohrom transportuje elektrone kroz membrane, kao što je spoljašnja membrana enterocita.

Reference[uredi | uredi kod]

  1. Flatmark, T. and Terland, O. (1971). „Cytochrome b561 of the bovine adrenal chromaffin granules. A high potential b-type cytochrome”. Biochim. Biophys. Acta 253: 487-491. PMID 4332308. 
  2. McKie, A.T., Barrow, D., Latunde-Dada, G.O., Rolfs, A., Sager, G., Mudaly, E., Mudaly, M., Richardson, C., Barlow, D., Bomford, A., Peters, T.J., Raja, K.B., Shirali, S., Hediger, M.A., Farzaneh, F. and Simpson, R.J. (2001). „An iron-regulated ferric reductase associated with the absorption of dietary iron”. Science 291: 1755-1759. PMID 11230685. 
  3. Su, D. and Asard, H. (2006). „Three mammalian cytochromes b561 are ascorbate-dependent ferrireductases”. FEBS J. 273: 3722-3734. PMID 16911521. 
  4. Berczi, A., Su, D. and Asard, H. (2007). „An Arabidopsis cytochrome b561 with trans-membrane ferrireductase capability”. FEBS Lett. 581: 1505-1508. PMID 17376442. 
  5. Wyman, S., Simpson, R.J., McKie, A.T. and Sharp, P.A. (2008). „Dcytb (Cybrd1) functions as both a ferric and a cupric reductase in vitro”. FEBS Lett. 582: 1901-1906. PMID 18498772. 
  6. Glanfield, A., McManus, D.P., Smyth, D.J., Lovas, E.M., Loukas, A., Gobert, G.N. and Jones, M.K. (2010). „A cytochrome b561 with ferric reductase activity from the parasitic blood fluke, Schistosoma japonicum”. PLoS Negl. Trop. Dis. 4: #e884-e884. PMID 21103361. 

Literatura[uredi | uredi kod]

Vanjske veze[uredi | uredi kod]