RegulonDB RegulonDB 11.1: Operon Form
   

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




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


Transcription unit          
Name: cysB
Synonym(s): OP00105, cysGB
Gene(s): cysB   Genome Browser M3D Gene expression COLOMBOS
Note(s): cysB expression is inhibited by oleanolic and ursolic acid, which in turn affect the expression of the cysteine regulon and the stress response Grudniak AM,2011
Reference(s): [1] Bielinska A., et al., 1986
[2] Hryniewicz MM., et al., 1994
Promoter
Name: cysBp
+1: 1333788
Sigma Factor: Sigma70 Sigmulon
Distance from start of the gene: 67
Sequence: atacactaaggctataaatgatatagtggttatagttagcaccttttttattattaaatcGtattagtcacccgccaggtg
                          -35                    -10        +1                   
Evidence: [COMP-AINF]
[COMP-HINF-POSITIONAL-IDENTIFICATION]
Reference(s): [3] Huerta AM., et al., 2003
[4] Ostrowski J., et al., 1987
Terminator(s)
Type: rho-independent
Sequence: tgcgttatttTCGGCACCTTTTATGTAGCGAAGGTGCCGGaatatattct
Reference(s): [4] Ostrowski J., et al., 1987
TF binding sites (TFBSs)
[CysB,-] Phrase
Type Transcription factor Function Promoter Binding Sites Growth Conditions Evidence Confidence level (C: Confirmed, S: Strong, W: Weak) Reference(s)
LeftPos RightPos Central Rel-Pos Sequence
proximal CysB repressor cysBp 1333751 1333797 -14.0 ataaatgataTAGTGGTTATAGTTAGCACCTTTTTTATTATTAAATCGTATTAGTCAcccgccaggt nd [COMP-HINF-SIMILAR-TO-CONSENSUS] nd [6]
[PhoP,+] Phrase
Type Transcription factor Function Promoter Binding Sites Growth Conditions Evidence Confidence level (C: Confirmed, S: Strong, W: Weak) Reference(s)
LeftPos RightPos Central Rel-Pos Sequence
proximal PhoP-phosphorylated activator cysBp 1333734 1333757 -43.0 acctatacacTAAGGCTATAAATGATATAGTGGTtatagttagc nd [COMP-AINF-SIMILAR-TO-CONSENSUS], [COMP-HINF-SIMILAR-TO-CONSENSUS] nd [5]


RNA cis-regulatory element    
Regulation, transcriptional elongation  
Attenuator type: Transcriptional
Strand: forward
  Structure type Energy LeftPos RightPos Sequence (RNA-strand)
  terminator -19.4 1333674 1333703 tttataaacaAAGGGTCGCGAAAGCGGCCCTTTTTTATTgcatattatt
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"


Evidence    

 [COMP-AINF] Inferred computationally without human oversight

 [COMP-HINF-POSITIONAL-IDENTIFICATION] Human inference of promoter position

 [COMP-HINF-SIMILAR-TO-CONSENSUS] A person inferred or reviewed a computer inference of sequence function based on similarity to a consensus sequence.

 [COMP-AINF-SIMILAR-TO-CONSENSUS] Automated inference based on similarity to consensus sequences


Reference(s)    

 [1] Bielinska A., Hulanicka D., 1986, Effect of DNA gyrase inhibitors and urea on the expression of cysB, the regulatory gene of the cysteine regulon., J Gen Microbiol 132(9):2571-6

 [2] Hryniewicz MM., Kredich NM., 1994, Stoichiometry of binding of CysB to the cysJIH, cysK, and cysP promoter regions of Salmonella typhimurium., J Bacteriol 176(12):3673-82

 [3] Huerta AM., Collado-Vides J., 2003, Sigma70 promoters in Escherichia coli: specific transcription in dense regions of overlapping promoter-like signals., J Mol Biol 333(2):261-78

 [4] Ostrowski J., Jagura-Burdzy G., Kredich NM., 1987, DNA sequences of the cysB regions of Salmonella typhimurium and Escherichia coli., J Biol Chem 262(13):5999-6005

 [5] Kaleta C., Gohler A., Schuster S., Jahreis K., Guthke R., Nikolajewa S., 2010, Integrative inference of gene-regulatory networks in Escherichia coli using information theoretic concepts and sequence analysis., BMC Syst Biol 4:116

 [6] Jagura-Burdzy G., Hulanicka D., 1981, Use of gene fusions to study expression of cysB, the regulatory gene of the cysteine regulon., J Bacteriol 147(3):744-51

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