1.1.2.8: alcohol dehydrogenase (cytochrome c)
This is an abbreviated version!
For detailed information about alcohol dehydrogenase (cytochrome c), go to the full flat file.
Reaction
+ = + 2 ferrocytochrome c + 2 H+
Synonyms
Ca2+-dependent PQQ-ADH, EC 1.1.99.8, EDH, ethanol dehydrogenase, exaA, exaF, PedE, PedH, PpADH, PP_2674, PP_2679, PQQ-ADH, PQQ-alcohol dehydrogenase, PQQ-dependent alcohol dehydrogenase, PQQ-dependent type I alcohol dehydrogenase, PQQ-DH9, pyrroloquinoline quinone ethanol dehydrogenase, pyrroloquinoline quinone-dependent alcohol dehydrogenases, pyrroloquinoline quinone-dependent dehydrogenase, pyrroloquinoline quinone-dependent quinoprotein alcohol dehydrogenase, pyrroquinoline quinone-dependent alcohol dehydrogenase, quinoprotein alcohol dehydrogenase
ECTree
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Systematic Name
Systematic Name on EC 1.1.2.8 - alcohol dehydrogenase (cytochrome c)
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alcohol:cytochrome c oxidoreductase
A periplasmic PQQ-containing quinoprotein. Occurs in Pseudomonas and Rhodopseudomonas. The enzyme from Pseudomonas aeruginosa uses a specific inducible cytochrome c550 as electron acceptor. Acts on a wide range of primary and secondary alcohols, but not methanol. It has a homodimeric structure [contrasting with the heterotetrameric structure of EC 1.1.2.7, methanol dehydrogenase (cytochrome c)]. It is routinely assayed with phenazine methosulfate as electron acceptor. Activity is stimulated by ammonia or amines. Like all other quinoprotein alcohol dehydrogenases it has an 8-bladed 'propeller' structure, a calcium ion bound to the PQQ in the active site and an unusual disulfide ring structure in close proximity to the PQQ.