The FixK2 protein is involved in regulation of symbiotic hydrogenase expression in Bradyrhizobium japonicum.

Abstract

The roles of the nitrogen fixation regulatory proteins NifA, FixK1, and FixK2 in the symbiotic regulation of hydrogenase structural gene expression in Bradyrhizobium japonicum have been investigated. Bacteroids from FixJ and FixK2 mutants have little or no hydrogenase activity, and extracts from these mutant bacteroids contain no hydrogenase protein… (More)

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