RegulonDB RegulonDB 11.1: Operon Form
   

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




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


Transcription unit       
Name: chiX
Synonym(s): micM, rybC, sroB
Gene(s): chiX   Genome Browser M3D Gene expression COLOMBOS
Note(s): The RNA produced by the chiX gene has been observed mainly in the poles of the cell Kannaiah S, Livny J, Amster-Choder O,2019.
Evidence: [COMP-AINF-SINGLE-DIRECTON] Automated inference that a single-gene directon is a transcription unit
[EXP-IDA-TRANSCRIPT-LEN-DETERMINATION] Length of transcript experimentally determined
Reference(s): [1] Vogel J., et al., 2003
Promoter
Name: chiXp
+1: 507204
Sigma Factor: Sigma70 Sigmulon
Distance from start of the gene: 0
Sequence: aaaagagtcatcttgcctaagagtattggcaggatggtgagattgagcgacaatcgagttAcaccgtcgcttaaagtgacg
                          -35                    -10        +1                   
Evidence: [COMP-AINF]
[COMP-HINF]
[EXP-IDA-TRANSCRIPTION-INIT-MAPPING]
Reference(s): [2] Huerta AM., et al., 2003
[3] Mandin P., et al., 2009
[1] Vogel J., et al., 2003
Terminator(s)
Type: rho-independent
Sequence: ctctttgacgGGCCAATAGCGATATTGGCCATTTTTTTagcgcaacat
Reference(s): [3] Mandin P., et al., 2009


Evidence    

 [COMP-AINF] Inferred computationally without human oversight

 [COMP-HINF] Inferred by a human based on computational evidence

 [EXP-IDA-TRANSCRIPTION-INIT-MAPPING] Transcription initiation mapping


Reference(s)    

 [1] Vogel J., Bartels V., Tang TH., Churakov G., Slagter-Jager JG., Huttenhofer A., Wagner EG., 2003, RNomics in Escherichia coli detects new sRNA species and indicates parallel transcriptional output in bacteria., Nucleic Acids Res 31(22):6435-43

 [2] 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

 [3] Mandin P., Gottesman S., 2009, A genetic approach for finding small RNAs regulators of genes of interest identifies RybC as regulating the DpiA/DpiB two-component system., Mol Microbiol 72(3):551-65

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