Difference between revisions of "MtnB"
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=Expression and regulation= | =Expression and regulation= | ||
| − | * '''Operon:''' | + | * '''Operon:''' ''[[mtnW]]-[[mtnX]]-[[mtnB]]-[[mtnD]]'' [http://www.ncbi.nlm.nih.gov/pubmed/12022921 PubMed] |
| − | * '''[[Sigma factor]]:''' | + | * '''[[Sigma factor]]:''' [[SigA]] [http://www.ncbi.nlm.nih.gov/pubmed/12022921 PubMed] |
| − | * '''Regulation:''' repressed by casamino acids [http://www.ncbi.nlm.nih.gov/pubmed/12107147 PubMed] | + | * '''Regulation:''' |
| + | **repressed by casamino acids [http://www.ncbi.nlm.nih.gov/pubmed/12107147 PubMed] | ||
| + | ** induced by methionine starvation ([[S-box]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/10094622 PubMed] | ||
| − | * '''Regulatory mechanism:''' | + | * '''Regulatory mechanism:''' [[S-box]]: transcription termination/ antitermination, the [[S-box]] [[riboswitch]] binds S-adenosylmethionine resulting in termination [http://www.ncbi.nlm.nih.gov/sites/entrez/10094622 PubMed] |
| − | * '''Additional information:''' | + | * '''Additional information:''' |
=Biological materials = | =Biological materials = | ||
Revision as of 12:27, 7 June 2009
- Description: methylthioribulose-1-phosphate dehydratase
| Gene name | mtnB |
| Synonyms | ykrY |
| Essential | no |
| Product | methylthioribulose-1-phosphate dehydratase |
| Function | methionine salvage |
| MW, pI | 23 kDa, 5.686 |
| Gene length, protein length | 627 bp, 209 aa |
| Immediate neighbours | mtnX, mtnD |
| Get the DNA and protein sequences (Barbe et al., 2009) | |
Genetic context 
This image was kindly provided by SubtiList
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Contents
The gene
Basic information
- Locus tag: BSU13610
Phenotypes of a mutant
Database entries
- DBTBS entry: [1]
- SubtiList entry: [2]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity: S-methyl-5-thio-D-ribulose 1-phosphate = 5-(methylthio)-2,3-dioxopentyl phosphate + H2O (according to Swiss-Prot)
- Protein family: MtnB subfamily (according to Swiss-Prot)
- Paralogous protein(s):
Extended information on the protein
- Kinetic information:
- Domains:
- Modification:
- Cofactor(s):
- Effectors of protein activity:
- Interactions:
- Localization:
Database entries
- Structure:
- Swiss prot entry: O31668
- KEGG entry: [3]
- E.C. number: 4.2.1.109
Additional information
Expression and regulation
- Regulatory mechanism: S-box: transcription termination/ antitermination, the S-box riboswitch binds S-adenosylmethionine resulting in termination PubMed
- Additional information:
Biological materials
- Mutant:
- Expression vector:
- lacZ fusion:
- GFP fusion:
- two-hybrid system:
- Antibody:
