RegulonDB RegulonDB 10.10: Operon Form

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

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

Transcription unit          
Name: ydiU
Gene(s): selO   Genome Browser M3D Gene expression COLOMBOS
Name: ydiUp
+1: 1791254
Distance from start of the gene: 10
Sequence: agcgataacccttctgtttgctggtgtttaagacgagagtaaccgtctacactatcaaacAggaggatctatgaccctgtc
Evidence: [RS-EPT-CBR]
Reference(s): [1] Giel JL., et al., 2006
[2] Salgado H, et al., 2012
TF binding sites (TFBSs)
Type Transcription factor Function Promoter Binding Sites Growth Conditions Evidence (Confirmed, Strong, Weak) Reference(s)
LeftPos RightPos Central Rel-Pos Sequence
proximal IscR activator ydiUp 1791286 1791310 -44.0 tggttcagcgATAACCCTTCTGTTTGCTGGTGTTTaagacgagag nd [GEA], [BPP] [1]

RNA cis-regulatory element    
Regulation, transcriptional elongation  
Attenuator type: Translational
Strand: reverse
Evidence: [ICA] Inferred by computational analysis
Reference(s): [3] Merino E, et al., 2005
  Structure type Energy LeftPos RightPos Sequence (RNA-strand)
  terminator -7.3 1791263 1791291 ctgtttgctgGTGTTTAAGACGAGAGTAACCGTCTACActatcaaaca
Notes: "The provided "Sequence" is that of the RNA strand, i.e. U's are shown instead of T's and regulators on the reverse strand will appear as the reverse complement of the sequence delimited by LeftPos-RigtPos"


 [RS-EPT-CBR] RNA-seq using two enrichment strategies for primary transcripts and consistent biological replicates

 [TIM] Transcription initiation mapping

 [GEA] Gene expression analysis

 [BPP] Binding of purified proteins


 [1] Giel JL., Rodionov D., Liu M., Blattner FR., Kiley PJ., 2006, IscR-dependent gene expression links iron-sulphur cluster assembly to the control of O-regulated genes in Escherichia coli., Mol Microbiol 60(4):1058-75

 [2] Salgado H, Peralta-Gil M, Gama-Castro S, Santos-Zavaleta A, Muñiz-Rascado L, García-Sotelo JS, Weiss V, Solano-Lira H, Martínez-Flores I, Medina-Rivera A, Salgado-Osorio G, Alquicira-Hernández S, Alquicira-Hernández K, López-Fuentes A, Porrón-Sotelo L, Huerta AM, Bonavides-Martínez C, Balderas-Martínez YI, Pannier L, Olvera M, Labastida A, Jiménez-Jacinto V, Vega-Alvarado L, Del Moral-Chávez V, Hernández-Alvarez A, Morett E, Collado-Vides J., 2012, RegulonDB v8.0: omics data sets, evolutionary conservation, regulatory phrases, cross-validated gold standards and more., Nucleic Acids Res.

 [3] Merino E, Yanofsky C., 2005, Transcription attenuation: a highly conserved regulatory strategy used by bacteria., Trends Genet. 2005 May;21(5):260-4.