Molecular mechanism of regulation of the purine salvage enzyme XPRT by the alarmones pppGpp, ppGpp, and pGpp
B. W. Anderson, A. Hao, K. A. Satyshur, J. L. Keck, J. D. Wang
This study identifies how alarmones pppGpp, ppGpp, and pGpp inhibit XPRT activity by competing with PRPP, revealing structural and regulatory differences between XPRT and HPRT.
bioRxiv · Mar 4, 2020Microbiology