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Helix-Turn-Helix DNA binding domain of the regulatory protein GnyR Putative helix-turn-helix (HTH) regulatory protein, GnyR, and other related proteins. GnyR belongs to the gnyRDBHAL cluster, which is involved in acyclic isoprenoid degradation in Pseudomonas aeruginosa. These proteins share the N-terminal DNA binding domain with other transcription regulators of the MerR superfamily that promote transcription by reconfiguring the spacer between the -35 and -10 promoter elements. A typical MerR regulator is comprised of distinct domains that harbor the regulatory (effector-binding) site and the active (DNA-binding) site. Their conserved N-terminal domains contain predicted winged HTH motifs that mediate DNA binding, while the dissimilar C-terminal domains bind specific coactivator molecules. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",