chbA:Quickview: Difference between revisions
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[http://porteco.org/AjaxSearch.jsp?searchString=chbA&s=search PortEco search(chbA)] [http://ecoliwiki.net/tools/display_dna.php?gene=chbA&loc=MG1655:1817829..1817479,W3110:1821519..1821169,DH10B:1908400..1908050,BW2952:1709538..1709888 DNA display] [http://ecoliwiki.net/tools/display_protein.php?f=NC_000913&start=1709538&end=1709888&gene=chbA&aa= | [http://porteco.org/AjaxSearch.jsp?searchString=chbA&s=search PortEco search(chbA)] [http://ecoliwiki.net/tools/display_dna.php?gene=chbA&loc=MG1655:1817829..1817479,W3110:1821519..1821169,DH10B:1908400..1908050,BW2952:1709538..1709888 DNA display] [http://ecoliwiki.net/tools/display_protein.php?f=NC_000913&start=1709538&end=1709888&gene=chbA&aa= Protein display] [http://www.ncbi.nlm.nih.gov/sites/entrez?db=pubmed&cmd=Search&Term=chbA+AND+escherichia+coli Pubmed(chbA)] [http://textpresso.tamu.edu/cgi-bin/textpresso/search?q=chbA Textpresso(chbA)] | ||
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Revision as of 21:37, 15 August 2011
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| Quickview | Gene | Gene Product(s) | Expression | Evolution | On One Page |
| References | Suggestions |
See Help:Quickview for help with entering information in the Quickview table.
| Standard Name |
chbA |
|---|---|
| Gene Synonym(s) |
ECK1734, b1736, JW1725, celC[1] |
| Product Desc. |
PTS Enzyme IIA(Chb), N,N'-diacetylchitobiose utilization; trimeric[4] |
| Product Synonyms(s) |
N,N'-diacetylchitobiose-specific enzyme IIA component of PTS[1], B1736[2][1], ChbA[2][1], CelC[2][1] |
| Function from GO |
<GO_nr /> |
| Knock-Out Phenotype | |
| Regulation/Expression | |
| Regulation/Activity | |
| Quick Links |
PortEco search(chbA) DNA display Protein display Pubmed(chbA) Textpresso(chbA) |
| edit table |
See Help:Quickview for help with entering information in the Quickview table.
Notes
The chb operon is induced by N,N'-diacetylchitobiose. The chb operon was previously thought to encode a cryptic cel operon for a cellobiose degradation system. The Cel+ phenotype is due to mutations making expression chitobiose-independent, but a fully induced operon did not support growth on cellobiose, implying a mutation altering the substrate specificity is needed; several candidate mutations were noted in Genbank, but not proven to alter the specificity of the system (Keyhani, 1997). In contrast, a later study claim that mutations making the operon expression high-level constitutive by chbR and nagC mutations are sufficient for the Cel+ phenotype and that no mutations altering substrate specificity are required (Kachroo, 2007).[4]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
- ↑ 3.0 3.1 EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
- ↑ 4.0 4.1 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.