A polymerase I palm in adenylyl cyclase?

Autor: Peter Willett, Peter J. Artymiuk, David W. Rice, Andrew R. Poirrette
Rok vydání: 1997
Předmět:
Zdroj: Nature. 388(6637)
ISSN: 0028-0836
Popis: Zhang et al.1 recently reported the long-awaited structure determination of one of the catalytic core domains of eukaryotic adenylyl cyclase, which promises a greater understanding of the regulatory mechanisms associated with the use of cyclic AMP as a second messenger. We have searched the Brookhaven Protein Data Bank2 using the program PROTEP3 and found that, far from having a completely novel fold, the fold of the domain bears an extraordinary resemblance to the ‘palm’ domains of the polymerase I family of prokaryotic DNA polymerases, including Escherichia coli DNA polymerase I4,5 and Thermus aquaticus ( Taq) polymerase6,7. The similarity has important implications for the function and evolution of eukaryotic adenylyl cyclases and related proteins.
Databáze: OpenAIRE