Type: | Domain | Name: | RelA/SpoT |
Description: | The functions of Escherichia coliRelA and SpoT differ somewhat. RelA () produces pppGpp (or ppGpp) from ATP and GTP (or GDP). SpoT () degrades ppGpp, but may also act as a secondary ppGpp synthetase. The two proteins are strongly similar. In many species, a single homologue to SpoT and RelA appears reponsible for both ppGpp synthesis and ppGpp degradation. (p)ppGpp is a regulatory metabolite of the stringent response, but appears also to be involved in antibiotic biosynthesis in some species. | Short Name: | RelA_SpoT |