Difference between revisions of "GltB"
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* '''Effectors of protein activity:''' | * '''Effectors of protein activity:''' | ||
| − | * '''Interactions:''' [[GltA]]-[[GltB]] | + | * '''Interactions:''' [[GltA]]-[[GltB]] {{PubMed|20933603}} |
* '''Localization:''' cytoplasm (according to Swiss-Prot) | * '''Localization:''' cytoplasm (according to Swiss-Prot) | ||
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=References= | =References= | ||
| − | <pubmed>12823818,,11029411,7559360 15150225 2548995 17183217 17608797 17134717 14523131, 12823818 , 18326565 </pubmed> | + | <pubmed>12823818,20933603,11029411,7559360 15150225 2548995 17183217 17608797 17134717 14523131, 12823818 , 18326565 </pubmed> |
[[Category:Protein-coding genes]] | [[Category:Protein-coding genes]] | ||
Revision as of 07:59, 13 October 2010
- Description: small subunit of glutamate synthase
| Gene name | gltB |
| Synonyms | |
| Essential | no |
| Product | glutamate synthase (small subunit) |
| Function | glutamate biosynthesis |
| Metabolic function and regulation of this protein in SubtiPathways: Ammonium/ glutamate | |
| MW, pI | 54.6 kDa, 7.69 |
| Gene length, protein length | 1479 bp, 493 amino acids |
| Immediate neighbours | yogA, gltA |
| 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: BSU18440
Phenotypes of a mutant
auxotrophic for glutamate
Database entries
- DBTBS entry: [1]
- SubtiList entry:[2]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity: 2 L-glutamate + NADP+ = L-glutamine + 2-oxoglutarate + NADPH (according to Swiss-Prot) 2 L-glutamate + NADP(+) <=> L-glutamine + 2-oxoglutarate + NADPH
- Protein family: glutamate synthase family.
- Paralogous protein(s): none
Extended information on the protein
- Kinetic information:
- Domains:
- nucleotide binding domain (NADP) (299–313)
- Modification:
- Cofactor(s):
- Effectors of protein activity:
- Localization: cytoplasm (according to Swiss-Prot)
Database entries
- Structure:
- UniProt: O34399
- KEGG entry: [3]
- E.C. number: 1.4.1.13
Additional information
Expression and regulation
- Regulation: see gltA
- Additional information:
Biological materials
- Mutant: GP807 (del gltAB::tet), GP517 (ermC), both available in Stülke lab
- Expression vector:
- lacZ fusion: see gltA
- GFP fusion:
- two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Stülke lab
- Antibody:
Labs working on this gene/protein
Linc Sonenshein, Tufts University, Boston, MA, USA Homepage
Jörg Stülke, University of Göttingen, Germany Homepage
Your additional remarks
References
Frederik M Meyer, Jan Gerwig, Elke Hammer, Christina Herzberg, Fabian M Commichau, Uwe Völker, Jörg Stülke
Physical interactions between tricarboxylic acid cycle enzymes in Bacillus subtilis: evidence for a metabolon.
Metab Eng: 2011, 13(1);18-27
[PubMed:20933603]
[WorldCat.org]
[DOI]
(I p)
Fabian M Commichau, Katrin Gunka, Jens J Landmann, Jörg Stülke
Glutamate metabolism in Bacillus subtilis: gene expression and enzyme activities evolved to avoid futile cycles and to allow rapid responses to perturbations of the system.
J Bacteriol: 2008, 190(10);3557-64
[PubMed:18326565]
[WorldCat.org]
[DOI]
(I p)
Fabian M Commichau, Christina Herzberg, Philipp Tripal, Oliver Valerius, Jörg Stülke
A regulatory protein-protein interaction governs glutamate biosynthesis in Bacillus subtilis: the glutamate dehydrogenase RocG moonlights in controlling the transcription factor GltC.
Mol Microbiol: 2007, 65(3);642-54
[PubMed:17608797]
[WorldCat.org]
[DOI]
(P p)
Fabian M Commichau, Ingrid Wacker, Jan Schleider, Hans-Matti Blencke, Irene Reif, Philipp Tripal, Jörg Stülke
Characterization of Bacillus subtilis mutants with carbon source-independent glutamate biosynthesis.
J Mol Microbiol Biotechnol: 2007, 12(1-2);106-13
[PubMed:17183217]
[WorldCat.org]
[DOI]
(P p)
Silvia Picossi, Boris R Belitsky, Abraham L Sonenshein
Molecular mechanism of the regulation of Bacillus subtilis gltAB expression by GltC.
J Mol Biol: 2007, 365(5);1298-313
[PubMed:17134717]
[WorldCat.org]
[DOI]
(P p)
Boris R Belitsky, Abraham L Sonenshein
Modulation of activity of Bacillus subtilis regulatory proteins GltC and TnrA by glutamate dehydrogenase.
J Bacteriol: 2004, 186(11);3399-407
[PubMed:15150225]
[WorldCat.org]
[DOI]
(P p)
Ingrid Wacker, Holger Ludwig, Irene Reif, Hans-Matti Blencke, Christian Detsch, Jörg Stülke
The regulatory link between carbon and nitrogen metabolism in Bacillus subtilis: regulation of the gltAB operon by the catabolite control protein CcpA.
Microbiology (Reading): 2003, 149(Pt 10);3001-3009
[PubMed:14523131]
[WorldCat.org]
[DOI]
(P p)
Ken-ichi Yoshida, Hirotake Yamaguchi, Masaki Kinehara, Yo-hei Ohki, Yoshiko Nakaura, Yasutaro Fujita
Identification of additional TnrA-regulated genes of Bacillus subtilis associated with a TnrA box.
Mol Microbiol: 2003, 49(1);157-65
[PubMed:12823818]
[WorldCat.org]
[DOI]
(P p)
B R Belitsky, L V Wray, S H Fisher, D E Bohannon, A L Sonenshein
Role of TnrA in nitrogen source-dependent repression of Bacillus subtilis glutamate synthase gene expression.
J Bacteriol: 2000, 182(21);5939-47
[PubMed:11029411]
[WorldCat.org]
[DOI]
(P p)
B R Belitsky, A L Sonenshein
Mutations in GltC that increase Bacillus subtilis gltA expression.
J Bacteriol: 1995, 177(19);5696-700
[PubMed:7559360]
[WorldCat.org]
[DOI]
(P p)
D E Bohannon, A L Sonenshein
Positive regulation of glutamate biosynthesis in Bacillus subtilis.
J Bacteriol: 1989, 171(9);4718-27
[PubMed:2548995]
[WorldCat.org]
[DOI]
(P p)
