RegulonDB RegulonDB 10.8: Operon Form
   

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




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


Transcription unit          
Name: purL
Synonym(s): OP00079
Gene(s): purL   Genome Browser M3D Gene expression COLOMBOS
Reference(s): [1] Meng LM., et al., 1990
Promoter
Name: purLp
+1: 2695589
Sigma Factor: Sigma70 Sigmulon
Distance from start of the gene: 46
Sequence: gtgattttatttccacgcaaacggtttcgtcagcgcatcagattctttataatgacgcccGtttcccccccttgggtacac
                         -35                    -10         +1                   
Evidence: [CV(RS-EPT-CBR)]
[CV(TIM)]
[RS-EPT-CBR]
[TIM]
Reference(s): [2] He B., et al., 1990
[3] Ohnoki S., et al., 1977
[4] Salgado H, et al., 2012
[5] Sampei G., et al., 1989
TF binding sites (TFBSs)
[PurR,-] Phrase
Type Transcription factor Function Promoter Binding Sites Growth Conditions Evidence (Confirmed, Strong, Weak) Reference(s)
LeftPos RightPos Central Rel-Pos Sequence
proximal PurR-hypoxanthine repressor purLp 2695620 2695635 -38.5 ttttatttccACGCAAACGGTTTCGTcagcgcatca nd [AIBSCS], [APIORCISFBSCS], [BCE], [CV(GEA)], [GEA] [1], [2], [6]


Evidence    

 [CV(RS-EPT-CBR)] cross validation(RS-EPT-CBR)

 [CV(TIM)] cross validation(TIM)

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

 [TIM] Transcription initiation mapping

 [AIBSCS] Automated inference based on similarity to consensus sequences

 [APIORCISFBSCS] A person inferred or reviewed a computer inference of sequence function based on similarity to a consensus sequence.

 [BCE] Binding of cellular extracts

 [CV(GEA)] cross validation(GEA)

 [GEA] Gene expression analysis


Reference(s)    

 [1] Meng LM., Kilstrup M., Nygaard P., 1990, Autoregulation of PurR repressor synthesis and involvement of purR in the regulation of purB, purC, purL, purMN and guaBA expression in Escherichia coli., Eur J Biochem 187(2):373-9

 [2] He B., Shiau A., Choi KY., Zalkin H., Smith JM., 1990, Genes of the Escherichia coli pur regulon are negatively controlled by a repressor-operator interaction., J Bacteriol 172(8):4555-62

 [3] Ohnoki S., Hong BS., Buchanan JM., 1977, Glutamine active site of formylglycinamide ribonucleotide amidotransferase. 2. Amino acid sequence of labeled peptides., Biochemistry 16(6):1070-6

 [4] 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.

 [5] Sampei G., Mizobuchi K., 1989, The organization of the purL gene encoding 5'-phosphoribosylformylglycinamide amidotransferase of Escherichia coli., J Biol Chem 264(35):21230-8

 [6] Cho BK., Federowicz SA., Embree M., Park YS., Kim D., Palsson BO., 2011, The PurR regulon in Escherichia coli K-12 MG1655., Nucleic Acids Res 39(15):6456-64

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