Difference between revisions of "Sandbox"

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* '''Description:''' xylose isomerase <br/><br/>
+
* '''Description:''' transcriptional repressor of the xyl and xyn operons <br/><br/>
  
 
{| align="right" border="1" cellpadding="2"  
 
{| align="right" border="1" cellpadding="2"  
 
|-
 
|-
 
|style="background:#ABCDEF;" align="center"|'''Gene name'''
 
|style="background:#ABCDEF;" align="center"|'''Gene name'''
−
|''xylA''
+
|''xylR''
 
|-
 
|-
 
|style="background:#ABCDEF;" align="center"| '''Synonyms''' || '' ''
 
|style="background:#ABCDEF;" align="center"| '''Synonyms''' || '' ''
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|style="background:#ABCDEF;" align="center"| '''Essential''' || no  
 
|style="background:#ABCDEF;" align="center"| '''Essential''' || no  
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"| '''Product''' || xylose isomerase
+
|style="background:#ABCDEF;" align="center"| '''Product''' || transcriptional repressor
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"|'''Function''' || utilization of xylan and xylose
+
|style="background:#ABCDEF;" align="center"|'''Function''' || regulation of xylan and xylose utilization
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 50 kDa, 5.635  
+
|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 38 kDa, 5.819  
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"| '''Gene length, protein length''' || 1335 bp, 445 aa  
+
|style="background:#ABCDEF;" align="center"| '''Gene length, protein length''' || 1050 bp, 350 aa  
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[xylR]]'', ''[[xylB]]''
+
|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[xynB]]'', ''[[xylA]]''
 
|-
 
|-
 
|colspan="2" style="background:#FAF8CC;" align="center"|'''Hier soll was neues rein'''
 
|colspan="2" style="background:#FAF8CC;" align="center"|'''Hier soll was neues rein'''
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|-
 
|-
 
|-
 
|-
−
|colspan="2" | '''Genetic context''' <br/> [[Image:xylA_context.gif]]
+
|colspan="2" | '''Genetic context''' <br/> [[Image:xylR_context.gif]]
 
  <div align="right"> <small>This image was kindly provided by [http://genolist.pasteur.fr/SubtiList/ SubtiList]</small></div>
 
  <div align="right"> <small>This image was kindly provided by [http://genolist.pasteur.fr/SubtiList/ SubtiList]</small></div>
 
|-
 
|-
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__TOC__
 
__TOC__
  
−
<br/><br/>
+
<br/><br/><br/><br/>
  
 
=The gene=
 
=The gene=
Line 43: Line 43:
 
=== Database entries ===
 
=== Database entries ===
  
−
* '''DBTBS entry:''' [http://dbtbs.hgc.jp/COG/prom/xylAB.html]
+
* '''DBTBS entry:''' [http://dbtbs.hgc.jp/COG/prom/xylR.html]
  
−
* '''SubtiList entry:''' [http://genolist.pasteur.fr/SubtiList/genome.cgi?gene_detail+BG10806]
+
* '''SubtiList entry:''' [http://genolist.pasteur.fr/SubtiList/genome.cgi?gene_detail+BG11986]
  
 
=== Additional information===
 
=== Additional information===
Line 54: Line 54:
 
=== Basic information/ Evolution ===
 
=== Basic information/ Evolution ===
  
−
* '''Catalyzed reaction/ biological activity:'''  
+
* '''Catalyzed reaction/ biological activity:''' transcription repression of the ''[[xylA]]-[[xylB]]'' and the ''[[xynP]]-[[xynB]]'' operons
  
 
* '''Protein family:'''
 
* '''Protein family:'''
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* '''Cofactor(s):'''
 
* '''Cofactor(s):'''
  
−
* '''Effectors of protein activity:'''
+
* '''Effectors of protein activity:''' inducer: xylose
  
 
* '''Interactions:'''
 
* '''Interactions:'''
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* '''Swiss prot entry:'''
 
* '''Swiss prot entry:'''
  
−
* '''KEGG entry:''' [http://www.genome.jp/dbget-bin/www_bget?bsu+BSU17600]
+
* '''KEGG entry:''' [http://www.genome.jp/dbget-bin/www_bget?bsu+BSU17590]
  
−
* '''E.C. number:''' 5.3.1.5
+
* '''E.C. number:'''
  
 
=== Additional information===
 
=== Additional information===
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=Expression and regulation=
 
=Expression and regulation=
  
−
* '''Operon:''' ''[[xylA]]-[[xylB]]''
+
* '''Operon:''' ''xylR''
  
−
* '''[[Sigma factor]]:''' [[SigA]]
+
* '''[[Sigma factor]]:'''  
  
−
* '''Regulation:''' repressed by glucose ([[CcpA]]) ,  carbon catabolite repression ([[CcpA]]), induction by xylose ([[XylR]])
+
* '''Regulation:'''  
  
−
* '''Regulatory mechanism:''' [[CcpA]]: transcription repression,  [[CcpA]]: transcription repression, [[XylR]]: transcription repression
+
* '''Regulatory mechanism:'''  
  
 
* '''Additional information:'''
 
* '''Additional information:'''
Line 123: Line 123:
  
  
−
# Dahl, M. K., J. Degenkolb, and W. Hillen. 1994. Transcription of the xyl operon is controlled in Bacillus subtilis by tandem overlapping operators spaced by four base-pairs. J. Mol. Biol. 243:413-424. [http://www.ncbi.nlm.nih.gov/sites/entrez/7966270 PubMed]
+
# Dahl, M. K., Schmiedel, D., and Hillen, W. (1995) Glucose and glucose-6-phosphate interaction with Xyl repressor proteins from Bacillus spp. may contribute to regulation of xylose utilization. J Bacteriol 177: 5467-5472. [http://www.ncbi.nlm.nih.gov/sites/entrez/7559331 PubMed]
−
# Jacob S, Allmansberger R, Gärtner D, Hillen W (1991) Catabolite repression of the operon for xylose utilization from Bacillus subtilis W23 is mediated at the level of transcription and depends on a cis site in the xylA reading frame. Mol Gen Genet 229: 189-196. [http://www.ncbi.nlm.nih.gov/sites/entrez/1921970 PubMed]
+
# Kauder C, Allmansberger R, Gärtner D, Schmiedel D, Hillen W. 1993. An operator binding-negative mutation of Xyl repressor from Bacillus subtilis is trans dominant in Bacillus megaterium. FEMS Microbiol. Lett. 109:81-84. [http://www.ncbi.nlm.nih.gov/sites/entrez/8319885 PubMed]
−
# Kraus A, Hueck C, Gärtner D, Hillen W (1994) Catabolite repression of the Bacillus subtilis xyl operon involves a cis element functional in the context of an unrelated sequence, and glucose exerts additional xylR-dependent repression. J Bacteriol 176: 1738-1745. [http://www.ncbi.nlm.nih.gov/sites/entrez/8132469 PubMed]
+
# Kreuzer P, Gärtner D, Allmansberger R, Hillen W. 1989. Identification and sequence analysis of the Bacillus subtilis W23 xylR gene and xyl operator. J. Bacteriol. 171:3840-3845. [http://www.ncbi.nlm.nih.gov/sites/entrez/2544559 PubMed]
−
# Gärtner D, Geißendörfer M, Hillen W. 1988. Expression of the Bacillus subtilis xyl operon is repressed at the level of transcription and is induced by xylose. J. Bacteriol. 170:3102-3109. [http://www.ncbi.nlm.nih.gov/sites/entrez/2454911 PubMed]
 
 
# Gärtner D, Degenkolb J, Ripperger JAE, Allmansberger R, Hillen W. 1992. Regulation of the Bacillus subtilis W23 xylose utilization operon: interaction of Xyl repressor with xyl operator and the inducer xylose. Mol. Gen. Genet. 232:415-422 [http://www.ncbi.nlm.nih.gov/sites/entrez/1588910 PubMed]
 
# Gärtner D, Degenkolb J, Ripperger JAE, Allmansberger R, Hillen W. 1992. Regulation of the Bacillus subtilis W23 xylose utilization operon: interaction of Xyl repressor with xyl operator and the inducer xylose. Mol. Gen. Genet. 232:415-422 [http://www.ncbi.nlm.nih.gov/sites/entrez/1588910 PubMed]
 
# Author1, Author2 & Author3 (year) Title ''Journal'' '''volume:''' page-page. [http://www.ncbi.nlm.nih.gov/sites/entrez/PMID PubMed]
 
# Author1, Author2 & Author3 (year) Title ''Journal'' '''volume:''' page-page. [http://www.ncbi.nlm.nih.gov/sites/entrez/PMID PubMed]

Revision as of 15:21, 15 April 2009

  • Description: transcriptional repressor of the xyl and xyn operons

Gene name xylR
Synonyms
Essential no
Product transcriptional repressor
Function regulation of xylan and xylose utilization
MW, pI 38 kDa, 5.819
Gene length, protein length 1050 bp, 350 aa
Immediate neighbours xynB, xylA
Hier soll was neues rein
Genetic context
XylR context.gif
This image was kindly provided by SubtiList





The gene

Basic information

  • Coordinates:

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: transcription repression of the xylA-xylB and the xynP-xynB operons
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity: inducer: xylose
  • Interactions:
  • Localization:

Database entries

  • Structure:
  • Swiss prot entry:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Operon: xylR
  • Regulation:
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Wolfgang Hillen, Erlangen University, Germany Homepage

Your additional remarks

References

  1. Dahl, M. K., Schmiedel, D., and Hillen, W. (1995) Glucose and glucose-6-phosphate interaction with Xyl repressor proteins from Bacillus spp. may contribute to regulation of xylose utilization. J Bacteriol 177: 5467-5472. PubMed
  2. Kauder C, Allmansberger R, Gärtner D, Schmiedel D, Hillen W. 1993. An operator binding-negative mutation of Xyl repressor from Bacillus subtilis is trans dominant in Bacillus megaterium. FEMS Microbiol. Lett. 109:81-84. PubMed
  3. Kreuzer P, Gärtner D, Allmansberger R, Hillen W. 1989. Identification and sequence analysis of the Bacillus subtilis W23 xylR gene and xyl operator. J. Bacteriol. 171:3840-3845. PubMed
  4. Gärtner D, Degenkolb J, Ripperger JAE, Allmansberger R, Hillen W. 1992. Regulation of the Bacillus subtilis W23 xylose utilization operon: interaction of Xyl repressor with xyl operator and the inducer xylose. Mol. Gen. Genet. 232:415-422 PubMed
  5. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed
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