Fate of the SpoIIAB*-ADP Liberated after SpoIIAB Phosphorylates SpoIIAA of Bacillus subtilis
CS Lee, I Lucet, MD Yudkin - Journal of bacteriology, 2000 - Am Soc Microbiol
Phosphorylation of SpoIIAA catalyzed by SpoIIAB helps to regulate the first sporulation-
specific ς factor, ςF, of Bacillus subtilis. The steady-state rate of phosphorylation is known to
be exceptionally slow and to be limited by the return of the protein kinase, SpoIIAB, to a
catalytically active state. Previous work from this laboratory has suggested that, after
catalyzing the phosphorylation, SpoIIAB is in a form (SpoIIAB*) that does not readily release
ADP. We now show that the rate of release of ADP from the SpoIIAB*-ADP complex was …
specific ς factor, ςF, of Bacillus subtilis. The steady-state rate of phosphorylation is known to
be exceptionally slow and to be limited by the return of the protein kinase, SpoIIAB, to a
catalytically active state. Previous work from this laboratory has suggested that, after
catalyzing the phosphorylation, SpoIIAB is in a form (SpoIIAB*) that does not readily release
ADP. We now show that the rate of release of ADP from the SpoIIAB*-ADP complex was …
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