4q20 is a 2 chain structure with sequence from Caulobacter vibrioides CB15. This structure supersedes the now removed PDB entry 4ew8. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
DIVL_CAUVC Required for cell division and growth. It catalyzes the phosphorylation of CtrA and activates transcription in vitro of the cell cycle-regulated fliF promoter.