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Gene Review

uhpA  -  response regulator in two-component...

Escherichia coli str. K-12 substr. MG1655

Synonyms: ECK3660, JW3644
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Disease relevance of uhpA

  • The other protein, ORF2, showed significant end-to-end homology with the E. coli uhpA product, a regulatory protein for the uptake of sugar phosphates [1].

High impact information on uhpA

  • Directed mutagenesis of the uhpA gene allowed examination of the role of several residues of UhpA in response to phosphorylation and in transcription activation [2].
  • The roles of the two modules were examined by analysis of the regulatory consequences of uhpA deletion mutations generated by in vitro manipulations and missense mutations selected for independence from the requirement for UhpB kinase activity [3].
  • The presence of multiple copies of the uhpT promoter region reduced uhpT expression in strains with uhpA in single copy number but not in those with multiple copies, consistent with competition for the activator [4].


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