Domain structure of the ATP-binding-cassette protein MalK of salmonella typhimurium as assessed by coexpressed half molecules and LacK'-'MalK chimeras.

Abstract excerpt

ATP-binding-cassette (ABC) subunit MalK of the binding protein-dependent transport system for maltose of Salmonella typhimurium and Escherichia coli is crucial to the transport process but also exhibits a repressing activity on other genes of the maltose regulon. The latter function has been attributed to a carboxy-terminal extension by which MalK differs in length from a prototype ABC protein. In order to define...

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