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helix-turn-helix domain-containing protein
This domain represents a DNA-binding Helix-turn-helix domain found in transcriptional regulatory proteins. (from Pfam)
ArsR family transcriptional regulator
Members of this family contains a DNA binding 'helix-turn-helix' motif. This family includes other proteins which are not included in the Prosite definition. [1]. 9466913. Crystal structure of the cyanobacterial metallothionein repressor SmtB: a model for metalloregulatory proteins. Cook WJ, Kar SR, Taylor KB, Hall LM;. J Mol Biol 1998;275:337-346. (from Pfam)
As(III)-sensing metalloregulatory transcriptional repressor ArsR
This ArsR belongs to the family that includes a member from the IncN plasmid R46, and excludes the chromosomal ArsR of E. coli K-12.
metalloregulator ArsR/SmtB family transcription factor
transcriptional regulator
winged-helix type HTH-containing transcriptional regulator
Transcriptional repressors that sense toxic heavy metals such as arsenic or cadmium, and are released from DNA so that resistance factors will be expressed, include ArsR, SmtB, ZiaR, CadC, CadX, KmtR, etc. However, some members of this family, including the sporulation delaying system autorepressor SdpR and its family (see NF033789), may lack metal-binding cites and instead regulate other cellular processes.
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