InterPro domain: IPR025736

This helix-turn-helix domain is often found at the C terminus of PucR-like transcriptional regulators, such as O32138 , and is likely to be DNA-binding [ 1 ].

1. Transcription analysis of the Bacillus subtilis PucR regulon and identification of a cis-acting sequence required for PucR-regulated expression of genes involved in purine catabolism. J. Bacteriol. 184, 3232-41