RegulonDB RegulonDB 10.9: Operon Form

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

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

Transcription unit       
Name: ibsC
Gene(s): ibsC   Genome Browser M3D Gene expression COLOMBOS
Evidence: [LTED] Length of transcript experimentally determined
Reference(s): [1] Fozo EM., et al., 2008
Name: ibsCp
+1: 3057009
Sigma Factor: Sigma70 Sigmulon
Distance from start of the gene: 60
Sequence: aaataaatcaaagtcagatcaatgcgttgtgtttatttaatggggatttacgatggcaggGcagcatggggctgtaacggt
                           -35                   -10        +1                   
Evidence: [HIPP]
Reference(s): [2] Han K., et al., 2010
sRNA Interaction TU
sRNA TU Regulated Function Binding Sites Regulatory Mechanism Evidence (Confirmed, Strong, Weak) Reference(s)
PosLeft PosRight Target sequence (mRNA)
small regulatory RNA antitoxin SibC ibsC repressor nd nd nd nd [IMP], [IPI] [1], [2]


 [HIPP] Human inference of promoter position

 [IEP] Inferred from expression pattern

 [IHBCE] Inferred by a human based on computational evidence

 [TIM] Transcription initiation mapping

 [IMP] Inferred from mutant phenotype

 [IPI] Inferred from physical interaction


 [1] Fozo EM., Kawano M., Fontaine F., Kaya Y., Mendieta KS., Jones KL., Ocampo A., Rudd KE., Storz G., 2008, Repression of small toxic protein synthesis by the Sib and OhsC small RNAs., Mol Microbiol 70(5):1076-93

 [2] Han K., Kim KS., Bak G., Park H., Lee Y., 2010, Recognition and discrimination of target mRNAs by Sib RNAs, a cis-encoded sRNA family., Nucleic Acids Res 38(17):5851-66