X-ray analyses of 3-hydroxybutyrate dehydrogenase from Alcaligenes faecalis

The structures of Alcaligenes faecalisD-3-hydroxybutyrate dehydrogenase before and after NAD(+) and acetate binding suggest a dynamical reaction mechanism as a member of the SDR family.

MLKGKKAVVTGSTSGIGLAMATELAKAGADVVINGFGQPEDIERERSTLESKFGVKAYYLNADLSDAQATRDFIAKAAEA
LGGLDILVNNAGIQHTAPIEEFPVDKWNAIIALNLSAVFHGTAAALPIMQKQGWGRIINIASAHGLVASVNKSAYVAAKH
GVVGLTKVTALENAGKGITCNAICPGWVRTPLVEKQIEAISQQKGIDIEAAARELLAEKQPSLQFVTPEQLGGAAVFLSS
AAADQMTGTTLSLDGGWTAR

28% PEG 4000, 0.1M lithium chloride, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Enzymes of the short chain dehydrogenase/reductase family

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3-hydroxybutyrate dehydrogenase, oxidoreductase