Allele-specific malE mutations that restore interactions between maltose-binding protein and the inner-membrane components of the maltose transport system.

Abstract

Active accumulation of maltose and maltodextrins by Escherichia coli depends on an outer-membrane protein. LamB, a periplasmic maltose-binding protein (MalE, MBP) and three inner-membrane proteins, MalF, MalG and MalK. MalF and MalG are integral transmembrane proteins, while MalK is associated with the inner aspect of the cytoplasmic membrane via an… (More)

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