Polivinil alkohol dehidrogenaza (citohrom)

(Preusmjereno sa stranice PVADH)

Polivinil alkohol dehidrogenaza (citohrom) (EC 1.1.2.6, PVA dehidrogenaza, PVADH) je enzim sa sistematskim imenom polivinil alkohol:fericitohrom-c oksidoreduktaza.[1][2][3][4][5][6] Ovaj enzim katalizuje sledeću hemijsku reakciju

Polivinil alkohol dehidrogenaza (citohrom)
Identifikatori
EC broj 1.1.2.6
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum
polivinil alkohol + fericitohrom c oksidovani polivinil alkohol + ferocitohrom c + H+

Ovaj enzim učestvuje u degradaciji bakterijskih polivinilnih alkohola. Neke gram-negativne bakterije razgrađuju polivinilni alkohol putem njegovog unosa u periplazmatični prostor, gde se on oksiduje dejstvom polivinil alkoholne dehidrogenaza, enzima koji je spregnut sa respiratornim lancem putem citohroma c. Ovaj enzim sadrži pirolohinolin hinonski kofaktor.

Reference uredi

  1. Shimao, M., Ninomiya, K., Kuno, O., Kato, N. and Sakazawa, C. (1986). „Existence of a novel enzyme, pyrroloquinoline quinone-dependent polyvinyl alcohol dehydrogenase, in a bacterial symbiont, Pseudomonas sp. strain VM15C”. Appl. Environ. Microbiol. 51: 268-268. PMID 3513704. 
  2. Shimao, M., Onishi, S., Kato, N. and Sakazawa, C. (1989). „Pyrroloquinoline quinone-dependent cytochrome reduction in polyvinyl alcohol-degrading Pseudomonas sp strain VM15C”. Appl. Environ. Microbiol. 55: 275-278. PMID 16347841. 
  3. Mamoto, R., Hu, X., Chiue, H., Fujioka, Y. and Kawai, F. (2008). „Cloning and expression of soluble cytochrome c and its role in polyvinyl alcohol degradation by polyvinyl alcohol-utilizing Sphingopyxis sp. strain 113P3”. J. Biosci. Bioeng. 105: 147-151. PMID 18343342. 
  4. Hirota-Mamoto, R., Nagai, R., Tachibana, S., Yasuda, M., Tani, A., Kimbara, K. and Kawai, F. (2006). „Cloning and expression of the gene for periplasmic poly(vinyl alcohol) dehydrogenase from Sphingomonas sp. strain 113P3, a novel-type quinohaemoprotein alcohol dehydrogenase”. Microbiology 152: 1941-1949. PMID 16804170. 
  5. Hu, X., Mamoto, R., Fujioka, Y., Tani, A., Kimbara, K. and Kawai, F. (2008). „The pva operon is located on the megaplasmid of Sphingopyxis sp. strain 113P3 and is constitutively expressed, although expression is enhanced by PVA”. Appl. Microbiol. Biotechnol. 78: 685-693. PMID 18214469. 
  6. Kawai, F. and Hu, X. (2009). „Biochemistry of microbial polyvinyl alcohol degradation”. Appl. Microbiol. Biotechnol. 84: 227-237. PMID 19590867. 

Literatura uredi


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