RegulonDB RegulonDB 10.8: Operon Form
   

argI operon and associated TUs in Escherichia coli K-12 genome




Operon      
Name: argI
This page displays every known transcription unit of this operon and their known regulation.


Transcription unit          
Name: argI
Synonym(s): OP00008
Gene(s): argI   Genome Browser M3D Gene expression COLOMBOS
Reference(s): [1] Cunin R., et al., 1983
Promoter
Name: argIp
+1: 4478344
Sigma Factor: Sigma70 Sigmulon
Distance from start of the gene: 33
Sequence: gtgacaaagatttatgctttagacttgcaaatgaataatcatccatataaattgaattttAattcattgaggcgttagcca
                         -35                  -10           +1                   
Evidence: [TIM]
Reference(s): [2] Piette J., et al., 1982
TF binding sites (TFBSs)
[ArgR,-] Phrase
Type Transcription factor Function Promoter Binding Sites Growth Conditions Evidence (Confirmed, Strong, Weak) Reference(s)
LeftPos RightPos Central Rel-Pos Sequence
proximal ArgR-L-arginine repressor argIp 4478337 4478354 -1.5 atccatataaATTGAATTTTAATTCATTgaggcgttag nd [AIBSCS], [BCE], [BPP], [CV(GEA)], [CV(GEA)], [GEA] [1], [3], [4], [5]
proximal ArgR-L-arginine repressor argIp 4478358 4478375 -22.5 tagacttgcaAATGAATAATCATCCATAtaaattgaat nd [AIBSCS], [BCE], [BPP], [CV(GEA)], [CV(GEA)], [GEA] [1], [3], [4], [5]
Allosteric regulation of RNA-polymerase
  Regulator Function Promoter target of RNApol Growth Conditions Note Evidence Reference
  DksA-ppGpp activation argIp   [APPH]
[IMP] 		[6]
  ppGpp activation argIp   [GEA] [7]
Evidence: [APPH] Assay of protein purified to homogeneity
[IMP] Inferred from mutant phenotype
[GEA] Gene expression analysis
Reference(s): [6] Paul BJ., et al., 2005
[7] Barker MM., et al., 2001


Evidence    

 [TIM] Transcription initiation mapping

 [AIBSCS] Automated inference based on similarity to consensus sequences

 [BCE] Binding of cellular extracts

 [BPP] Binding of purified proteins

 [CV(GEA)] cross validation(GEA)

 [GEA] Gene expression analysis


Reference(s)    

 [1] Cunin R., Eckhardt T., Piette J., Boyen A., Pierard A., Glansdorff N., 1983, Molecular basis for modulated regulation of gene expression in the arginine regulon of Escherichia coli K-12., Nucleic Acids Res 11(15):5007-19

 [2] Piette J., Cunin R., Van Vliet F., Charlier D., Crabeel M., Ota Y., Glansdorff N., 1982, Homologous control sites and DNA transcription starts in the related argF and argI genes of Escherichia coli K12., EMBO J 1(7):853-7

 [3] Caldara M., Charlier D., Cunin R., 2006, The arginine regulon of Escherichia coli: whole-system transcriptome analysis discovers new genes and provides an integrated view of arginine regulation., Microbiology 152(Pt 11):3343-54

 [4] Charlier D., Roovers M., Van Vliet F., Boyen A., Cunin R., Nakamura Y., Glansdorff N., Pierard A., 1992, Arginine regulon of Escherichia coli K-12. A study of repressor-operator interactions and of in vitro binding affinities versus in vivo repression., J Mol Biol 226(2):367-86

 [5] Makarova KS., Mironov AA., Gelfand MS., 2001, Conservation of the binding site for the arginine repressor in all bacterial lineages., Genome Biol 2(4):RESEARCH0013

 [6] Paul BJ., Berkmen MB., Gourse RL., 2005, DksA potentiates direct activation of amino acid promoters by ppGpp., Proc Natl Acad Sci U S A 102(22):7823-8

 [7] Barker MM., Gaal T., Josaitis CA., Gourse RL., 2001, Mechanism of regulation of transcription initiation by ppGpp. I. Effects of ppGpp on transcription initiation in vivo and in vitro., J Mol Biol 305(4):673-88

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