The Enzyme Database

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Accepted name: polyvinyl alcohol dehydrogenase (cytochrome)
Reaction: polyvinyl alcohol + ferricytochrome c = oxidized polyvinyl alcohol + ferrocytochrome c + H+
Other name(s): PVA dehydrogenase; PVADH
Systematic name: polyvinyl alcohol:ferricytochrome-c oxidoreductase
Comments: A quinoprotein. The enzyme is involved in bacterial polyvinyl alcohol degradation. Some Gram-negative bacteria degrade polyvinyl alcohol by importing it into the periplasmic space, where it is oxidized by polyvinyl alcohol dehydrogenase, an enzyme that is coupled to the respiratory chain via cytochrome c. The enzyme contains a pyrroloquinoline quinone cofactor.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Shimao, M., Ninomiya, K., Kuno, O., Kato, N. and Sakazawa, C. Existence of a novel enzyme, pyrroloquinoline quinone-dependent polyvinyl alcohol dehydrogenase, in a bacterial symbiont, Pseudomonas sp. strain VM15C. Appl. Environ. Microbiol. 51 (1986) 268. [PMID: 3513704]
2.  Shimao, M., Onishi, S., Kato, N. and Sakazawa, C. Pyrroloquinoline quinone-dependent cytochrome reduction in polyvinyl alcohol-degrading Pseudomonas sp strain VM15C. Appl. Environ. Microbiol. 55 (1989) 275–278. [PMID: 16347841]
3.  Mamoto, R., Hu, X., Chiue, H., Fujioka, Y. and Kawai, F. 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 (2008) 147–151. [DOI] [PMID: 18343342]
4.  Hirota-Mamoto, R., Nagai, R., Tachibana, S., Yasuda, M., Tani, A., Kimbara, K. and Kawai, F. 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 (2006) 1941–1949. [DOI] [PMID: 16804170]
5.  Hu, X., Mamoto, R., Fujioka, Y., Tani, A., Kimbara, K. and Kawai, F. 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 (2008) 685–693. [DOI] [PMID: 18214469]
6.  Kawai, F. and Hu, X. Biochemistry of microbial polyvinyl alcohol degradation. Appl. Microbiol. Biotechnol. 84 (2009) 227–237. [DOI] [PMID: 19590867]
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