In vitro activity of the nitrogen fixation regulatory protein FIXJ from Rhizobium meliloti.

AUTOR(ES)
RESUMO

Cell extracts of an Escherichia coli strain that overproduces the regulatory protein FIXJ from Rhizobium meliloti promoted transcription of fixK, a known FIXJ-dependent gene, in a coupled transcription-translation assay. Activation by FIXJ was dependent on the sigma 70 holoenzyme form of RNA polymerase.

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