Is there a database which provides information on transcription factor binding sites in PROKARYOTES? In this forum I have seen recommendations for JASPAR and TRANSFAC, but both of them seem to include data on eukaryotic TFs only.
More specifically, I am looking for a resource where I can find recognition sequences of sigma factors. E. coli would be great, more taxa even greater.
Thanks for your help!
CollecTF is awesome.