RegulonDB RegulonDB 10.6.3: Operon Form
   

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




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


Transcription unit          
Name: betIBA
Synonym(s): OP00155
Gene(s): betA, betB, betI   Genome Browser M3D Gene expression COLOMBOS
Reference(s): [1] Lamark T., et al., 1996
[2] Rkenes TP., et al., 1996
Promoter
Name: betIp
+1: 329361
Sigma Factor: Sigma70 Sigmulon
Distance from start of the gene: 27
Sequence: cgtaacaattaagacacattttatattgaacgtccaatcaataaccgctttaatagataaAcaccgctgatgaatggagtg
                          -10                      -35      +1                   
Evidence: [HIPP]
[TIM]
Reference(s): [1] Lamark T., et al., 1996
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 ArcA-Phosphorylated repressor betIp 329360 329374 -6.0 tcaataaccgCTTTAATAGATAAACaccgctgatg nd [BCE] [1], [4]
proximal ArcA-Phosphorylated2 repressor betIp 329428 329442 -74.0 cactgttattGTTACTATTTAAAATcaaattcgta nd [BCE], [GEA] [1]
Type Transcription factor Function Promoter Binding Sites Growth Conditions Evidence (Confirmed, Strong, Weak) Reference(s)
LeftPos RightPos Central Rel-Pos Sequence
proximal BetI1 repressor betIp 329381 329400 -30.0 agacacatttTATATTGAACGTCCAATCAAtaaccgcttt nd [BPP], [GEA], , [HIBSCS] [1], [2], [3]
Type Transcription factor Function Promoter Binding Sites Growth Conditions Evidence (Confirmed, Strong, Weak) Reference(s)
LeftPos RightPos Central Rel-Pos Sequence
nd Cra activator betIp nd nd nd nd nd [GEA] [5]
Note(s): 2Several putative ArcA-binding sites with one or two mismatches are located within the betI promoter region.1BetI is a repressor that regulates the betIp promoter in response to the inducer choline.1Several putative ArcA-binding sites with one or two mismatches are located within the betI promoter region.
2BetI is a repressor that regulates the betIp promoter in response to the inducer choline.





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