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helix-hairpin-helix domain-containing protein
helix-hairpin-helix (HhH) domain-containing protein binds DNA in the major groove; similar to Haemophilus influenzae protein HI_1008
competence protein ComEA helix-hairpin-helix repeat region
Members of the subfamily recognized by this model include competence protein ComEA and closely related proteins from a number of species that exhibit competence for transformation by exongenous DNA, including Streptococcus pneumoniae, Bacillus subtilis, Neisseria meningitidis, and Haemophilus influenzae. This model represents a region of two tandem copies of a helix-hairpin-helix domain (PF00633), each about 30 residues in length. Limited sequence similarity can be found among some members of this family N-terminal to the region covered by this model.
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