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J. Bacteriol., 07 1996, 3974-3977, Vol 178, No. 13
Copyright © 1996, American Society for Microbiology

PstB protein of the phosphate-specific transport system of Escherichia coli is an ATPase

FY Chan and A Torriani
Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.

The PstB protein of the phosphate-specific transport (Pst) system of Escherichia coli bound and hydrolyzed ATP, producing ADP. Urea-treated denatured PstB did not bind ATP. The N-terminal amino acid sequence of the immune serum-precipitable PstB protein was determined, and it corresponded to that deduced from the DNA sequence.

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