Conformational selection drives substrate-ATP coupling in the type VI ABC transporter
The mechanism of substrate-ATP coupling is central to the function of ABC transporters. Substrates bind to the specialized transmembrane domains (TMDs), whereas ATP binding and hydrolysis occur in the conserved intracellular nucleotide-binding domains (NBDs). Efficient substrate transport requires coupling between these processes, in which the intracellular coupling helices play an essential…
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