Fig. 6From: regO: a novel locus in the regulation of tetrapyrrole biosynthesis in Rhodospirillum rubrumDomain structure of RegB in Rhodobacter capsulatus, generated by SMART (http://smart.embl-heidelberg.de/smart/show_motifs.pl). RegB has a histidin kinase (HisKA) domain and HATPase_c domain. No PAS domainsBack to article page