Structure and action of a C-C bond cleaving alpha/beta-hydrolase involved in nicotine degradation.

Abstract excerpt

The enzyme 2,6-dihydroxy-pseudo-oxynicotine hydrolase from the nicotine-degradation pathway of Arthrobacter nicotinovorans was crystallized and the structure was determined by an X-ray diffraction analysis at 2.1 A resolution. The enzyme belongs to the alpha/beta-hydrolase family as derived from the chain-fold and from the presence of a catalytic triad with its oxyanion hole at the common position. This...

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