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Standard Name


Gene Synonym(s)

ECK3834, b3842, JW3818, sfrB, hlyT[1], hlyT

Product Desc.

DNA-binding transcriptional antiterminator[2]; Transcriptional regulatory protein RfaH[3]

Transcription antitermination factor, LPS biosynthesis genes; negatively controls expression and surface presentation of Ag43 (Flu), reducing adhesion and biofilm; also regulates F-factor sex pilus and hemolysin genes[4]

Product Synonyms(s)

DNA-binding transcriptional antiterminator[1], B3842[2][1], SfrB[2][1], HlyT[2][1], RfaH[2][1] , ECK3834, hlyT, JW3818, sfrB, b3842

Function from GO
Knock-Out Phenotype

transcription unit(s): rfaH[2]

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RfaH is recruited by JUMPstart/ops sequence elements.[4]


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  1. 1.0 1.1 1.2 1.3 1.4 1.5 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. 2.0 2.1 2.2 2.3 2.4 2.5 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. 4.0 4.1 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.