Difference between revisions of "XynB"
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=Expression and regulation= | =Expression and regulation= | ||
| − | * '''Operon:''' ''[[xynP]]-[[xynB] | + | * '''Operon:''' ''[[xynP]]-[[xynB (according to [http://dbtbs.hgc.jp/COG/prom/xynPB.html DBTBS]) |
| − | * '''[[Sigma factor]]:''' [[SigA]] | + | * '''[[Sigma factor]]:''' [[SigA]] {{PubMed|9973552}} |
| − | * '''Regulation:''' | + | * '''Regulation:''' |
| + | ** carbon catabolite repression ([[CcpA]]) {{PubMed|9973552}} | ||
| + | ** induction by xylose ([[XylR]]) {{PubMed|9973552}} | ||
| − | * '''Regulatory mechanism:''' [[CcpA]]: transcription repression | + | * '''Regulatory mechanism:''' |
| + | ** [[CcpA]]: transcription repression {{PubMed|9973552}} | ||
| + | **[[XylR]]: transcription repression {{PubMed|9973552}} | ||
* '''Additional information:''' | * '''Additional information:''' | ||
Revision as of 19:28, 16 August 2009
- Description: xylan beta-1,4-xylosidase
| Gene name | xynB |
| Synonyms | ynaK |
| Essential | no |
| Product | xylan beta-1,4-xylosidase |
| Function | xylan degradation |
| Metabolic function and regulation of this protein in SubtiPathways: Sugar catabolism | |
| MW, pI | 61 kDa, 5.326 |
| Gene length, protein length | 1599 bp, 533 aa |
| Immediate neighbours | xynP, xylR |
| Get the DNA and protein sequences (Barbe et al., 2009) | |
Genetic context 
This image was kindly provided by SubtiList
| |
Contents
The gene
Basic information
- Locus tag: BSU17580
Phenotypes of a mutant
Database entries
- DBTBS entry: [1]
- SubtiList entry: [2]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity: Hydrolysis of (1->4)-beta-D-xylans, to remove successive D-xylose residues from the non-reducing termini (according to Swiss-Prot)
- Protein family: glycosyl hydrolase 43 family (according to Swiss-Prot)
- Paralogous protein(s):
Extended information on the protein
- Kinetic information:
- Domains:
- Modification:
- Cofactor(s):
- Effectors of protein activity:
- Interactions:
- Localization: cell membrane (according to Swiss-Prot)
Database entries
- Structure: 1YIF
- UniProt: P94489
- KEGG entry: [3]
- E.C. number: 3.2.1.37
Additional information
Expression and regulation
- Additional information:
Biological materials
- Mutant:
- Expression vector:
- lacZ fusion:
- GFP fusion:
- two-hybrid system:
- Antibody:
Labs working on this gene/protein
Your additional remarks
References
Kalpana D Singh, Matthias H Schmalisch, Jörg Stülke, Boris Görke
Carbon catabolite repression in Bacillus subtilis: quantitative analysis of repression exerted by different carbon sources.
J Bacteriol: 2008, 190(21);7275-84
[PubMed:18757537]
[WorldCat.org]
[DOI]
(I p)
C Lindner, J Stülke, M Hecker
Regulation of xylanolytic enzymes in Bacillus subtilis.
Microbiology (Reading): 1994, 140 ( Pt 4);753-7
[PubMed:8012596]
[WorldCat.org]
[DOI]
(P p)
