The structure and function of the histidine-containing phosphotransfer (HPt) signaling domain of the Escherichia coli ArcB sensor.


The Escherichia coli ArcB sensor is involved in anaerobic signal transduction. ArcB is an unorthodox His-kinase, in that it contains three types of phosphotransfer signaling domains in its primary amino acid sequence, namely, transmitter (or His-kinase), receiver, and histidine-containing phosphotransfer (HPt) domains. In this study, we first conducted an… (More)


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