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Information on EC 1.1.1.269 - 2-(S)-hydroxypropyl-CoM dehydrogenase

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IUBMB Comments
The enzyme is highly specific for (S)-2-hydroxyalkyl thioethers of CoM, in contrast to EC 1.1.1.268, 2-(R)-hydroxypropyl-CoM dehydrogenase, which is highly specific for the (R)-enantiomer. This enzyme forms component IV of a four-component enzyme system {comprising EC 4.4.1.23 (2-hydroxypropyl-CoM lyase; component I), EC 1.8.1.5 [2-oxopropyl-CoM reductase (carboxylating); component II], EC 1.1.1.268 [2-(R)-hydroxypropyl-CoM dehydrogenase; component III] and EC 1.1.1.269 [2-(S)-hydroxypropyl-CoM dehydrogenase; component IV]} that is involved in epoxyalkane carboxylation in Xanthobacter sp. strain Py2.
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The expected taxonomic range for this enzyme is: Xanthobacter
Synonyms
s-hpcdh, (s)-hydroxypropyl-coenzyme m dehydrogenase, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
(2S)-2-hydroxypropyl-CoM + NAD+ = 2-oxopropyl-CoM + NADH + H+
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highly specific; The enzyme is highly specific for (S)-2-hydroxyalkyl thioethers of CoM, in contrast to EC 1.1.1.268, 2-(R)-hydroxypropyl-CoM dehydrogenase, which is highly specific of the (R)-enantiomer. This enzyme forms component IV of four-component enzyme system. Comprising EC 4.2.99.19, 2-hydroxypropyl-CoM lyase, component I, EC 1.8.1.5, 2-oxopropyl-CoM reductase, carboxylating, component II, EC 1.1.1.268, 2-(R)-hydroxypropyl-CoM dehydrogenase, component III, and EC 1.1.1.269, 2-(S)-hydroxypropyl-CoM dehydrogenase, component IV, that is involved in epoxylalkane carboxylation in Xanthobacter sp. strain Py2
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PATHWAY SOURCE
PATHWAYS
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