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Gene Review

hepA  -  ATP-binding protein; heterocyst...

Nostoc sp. PCC 7120

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Disease relevance of hepA


High impact information on hepA

  • HetR binds the promoter regions of hetR, hepA, and patS, suggesting a direct control of the expression of these genes by HetR [2].
  • Insertional mutagenesis of abp2 and abp3 blocked expression of hepC and hepA and prevented heterocyst maturation and aerobic fixation of N(2) [3].
  • A hepK mutation blocked both the synthesis of the heterocyst envelope polysaccharide and induction of hepA [1].
  • Inactivation of hepC led to constitutive expression of hepA and prevented the synthesis of heterocyst envelope polysaccharide [1].
  • Analysis of the region between hepC and hepA indicated that DNA sequences required for the induction of hepA upon nitrogen deprivation are present between bp -574 and -440 and between bp -340 and -169 relative to the transcriptional start site of hepA [1].

Other interactions of hepA

  • Regulation of hepA of Anabaena sp. strain PCC 7120 by elements 5' from the gene and by hepK [1].


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