Difference between revisions of "MetE"
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* '''Regulation:''' | * '''Regulation:''' | ||
** repressed by casamino acids [http://www.ncbi.nlm.nih.gov/pubmed/12107147 PubMed] | ** repressed by casamino acids [http://www.ncbi.nlm.nih.gov/pubmed/12107147 PubMed] | ||
− | ** | + | ** repressed by methionine (about 1000-fold)([[S-box]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/10094622 PubMed] |
* '''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] | * '''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] |
Revision as of 06:46, 24 February 2010
- Description: methionine synthase
Gene name | metE |
Synonyms | metC |
Essential | no |
Product | methionine synthase |
Function | biosynthesis of methionine |
Metabolic function and regulation of this protein in SubtiPathways: Cys, Met & Sulfate assimilation | |
MW, pI | 86 kDa, 4.839 |
Gene length, protein length | 2286 bp, 762 aa |
Immediate neighbours | guaD, ispA |
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: BSU13180
Phenotypes of a mutant
Database entries
- DBTBS entry: no entry
- SubtiList entry: [1]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity: 5-methyltetrahydropteroyltri-L-glutamate + L-homocysteine = tetrahydropteroyltri-L-glutamate + L-methionine (according to Swiss-Prot)
- Protein family: vitamin-B12 independent methionine synthase family (according to Swiss-Prot)
- Paralogous protein(s):
Extended information on the protein
- Kinetic information:
- Domains:
- Modification: phosphorylated on ser/ thr/ tyr PubMed, S-cysteinylation after diamide stress (C719) PubMed
- Cofactor(s):
- Effectors of protein activity:
- Interactions:
- Localization:
Database entries
- UniProt: P80877
- KEGG entry: [2]
- E.C. number: 2.1.1.14
Additional information
- subject to Clp-dependent proteolysis upon glucose starvation PubMed
Expression and regulation
- Operon: metE
- Regulation:
- Regulatory mechanism: S-box: transcription termination/ antitermination, the S-box riboswitch binds S-adenosylmethionine resulting in termination PubMed
- Additional information: subject to Clp-dependent proteolysis upon glucose starvation PubMed
Biological materials
- Mutant:
- Expression vector:
- lacZ fusion:
- GFP fusion:
- two-hybrid system:
- Antibody:
Labs working on this gene/protein
Your additional remarks
References