Acquisition of apparent DNA slippage structures during extensive evolutionary divergence of pcaD and catD genes encoding identical catalytic activities in Acinetobacter calcoaceticus.

Abstract excerpt

The pca operon from the Gram- bacterium Acinetobacter calcoaceticus encodes all of the enzymes required for catabolism of protocatechuate to common intermediary metabolites. This report presents the 2754-nucleotide (nt) sequence of a HindIII restriction fragment containing pcaD, the 801-bp gene encoding beta-ketoadipate enol-lactone hydrolase I. The deduced primary structure of A. calcoaceticus PcaD shares 44%...

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