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{{Infobox enzyme
| Name = Alcohol dehydrogenase (azurin)
| EC_number = 1.1.9.1
| CAS_number = 
| IUBMB_EC_number = 1/1/9/1
| GO_code = 
| image = 
| width = 
| caption =
}}
'''Alcohol dehydrogenase (azurin)''' ({{EC number|1.1.9.1}}, ''type II quinoprotein alcohol dehydrogenase'', ''quinohaemoprotein ethanol dehydrogenase'', ''QHEDH'', ''ADHIIB'') is an [[enzyme]] with system name ''alcohol:azurin oxidoreductase''.<ref>{{cite journal | title = Quinohaemoprotein alcohol dehydrogenase apoenzyme from <em>Pseudomonas testosteroni</em> |author = Groen, B.W., van Kleef, M.A. and Duine, J.A. |journal = Biochem. J. |year = 1986 |volume = 234 |pages = 611–615 |pmid = 3521592 |issue=3 |pmc=1146615}}</ref><ref>{{cite journal | title = Characterization of the interaction between PQQ and heme c in the quinohemoprotein ethanol dehydrogenase from <em>Comamonas testosteroni</em> |author = de Jong, G.A., Caldeira, J., Sun, J., Jongejan, J.A., de Vries, S., Loehr, T.M., Moura, I., Moura, J.J. and Duine, J.A. |journal = Biochemistry |year = 1995 |volume = 34 |pages = 9451–9458 |pmid = 7626615 |issue=29}}</ref><ref>{{cite journal | title = Three distinct quinoprotein alcohol dehydrogenases are expressed when <em>Pseudomonas putida</em> is grown on different alcohols |author = Toyama, H., Fujii, A., Matsushita, K., Shinagawa, E., Ameyama, M. and Adachi, O. |journal = J. Bacteriol. |year = 1995 |volume = 177 |pages = 2442–2450 |pmid = 7730276 |issue=9 |pmc=176903}}</ref><ref>{{cite journal | title = Electron transfer from quinohemoprotein alcohol dehydrogenase to blue copper protein azurin in the alcohol oxidase respiratory chain of  <em>Pseudomonas putida</em> HK5 |author = Matsushita, K., Yamashita, T., Aoki, N., Toyama, H. and Adachi, O. |journal = Biochemistry |year = 1999 |volume = 38 |pages = 6111–6118 |pmid = 10320337 |doi=10.1021/bi990121f |issue=19}}</ref><ref>{{cite journal | title = Structure at 1.9 &Aring; resolution of a quinohemoprotein alcohol dehydrogenase from <em>Pseudomonas putida</em> HK5 |author = Chen, Z.W., Matsushita, K., Yamashita, T., Fujii, T.A., Toyama, H., Adachi, O., Bellamy, H.D. and Mathews, F.S. |journal = Structure |year = 2002 |volume = 10 |pages = 837–849 |pmid = 12057198 |issue=6}}</ref><ref>{{cite journal | title = Crystal structure of quinohemoprotein alcohol dehydrogenase from <em>Comamonas testosteroni</em>: structural basis for substrate oxidation and electron  transfer |author = Oubrie, A., Rozeboom, H.J., Kalk, K.H., Huizinga, E.G. and Dijkstra, B.W. |journal = J. Biol. Chem. |year = 2002 |volume = 277 |pages = 3727–3732 |pmid = 11714714 |doi=10.1074/jbc.M109403200 |issue=5}}</ref> This enzyme [[catalysis|catalyses]] the following [[chemical reaction]]

: [[primary alcohol]] + [[azurin]] <math>\rightleftharpoons</math> [[aldehyde]] + reduced azurin

This enzime is a periplasmic PQQ-containing quinohemoprotein.

== References ==
{{reflist}}

== External links ==
* {{MeshName|Alcohol+dehydrogenase+(azurin)}}

[[Category:EC 1.1.9]]