OdhB

• Description: 2-oxoglutarate dehydrogenase complex (dihydrolipoamide transsuccinylase, E2 subunit)
  
  

Gene name	odhB
Synonyms	citM
Essential	yes PubMed
Product	2-oxoglutarate dehydrogenase complex (dihydrolipoamide transsuccinylase, E2 subunit)
Function	TCA cycle
Interactions involving this protein in SubtInteract: OdhB
Metabolic function and regulation of this protein in SubtiPathways: Central C-metabolism
MW, pI	45 kDa, 4.859
Gene length, protein length	1251 bp, 417 aa
Immediate neighbours	yocS, odhA
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

carbon core metabolism, essential genes, membrane proteins

This gene is a member of the following regulons

CcpA regulon

The gene

Basic information

• Locus tag: BSU19360

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: Succinyl-CoA + enzyme N(6)-(dihydrolipoyl)lysine = CoA + enzyme N(6)-(S-succinyldihydrolipoyl)lysine (according to Swiss-Prot)

• Protein family: sodium:bile acid symporter family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • OdhA-OdhB-PdhD PubMed
  • OdhB-Icd PubMed

• Localization:
  • membrane associated PubMed

Database entries

• Structure: 1C4T (from Escherichia coli bl21, 57% identity, 78% similarity) PubMed

• UniProt: P16263

• KEGG entry: [3]

• E.C. number: 2.3.1.61

Additional information

• extensive information on the structure and enzymatic properties of 2-oxoglutarate dehydrogenase can be found at Proteopedia

Expression and regulation

• Operon: odhA-odhB PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed by glucose (2.4-fold) (CcpA) PubMed

• Regulatory mechanism:
  • CcpA: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:
  • pGP1145 (N-terminal Strep-tag, for SPINE, purification from B. subtilis, in pGP380) (available in Stülke lab)

• lacZ fusion:

• GFP fusion:

• two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Stülke lab

• Antibody:

References

Reviews

K F Sheu, J P Blass
The alpha-ketoglutarate dehydrogenase complex.
Ann N Y Acad Sci: 1999, 893;61-78
[PubMed:10672230] [WorldCat.org] [DOI] (P p)

Original publications

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)

Hannes Hahne, Susanne Wolff, Michael Hecker, Dörte Becher
From complementarity to comprehensiveness--targeting the membrane proteome of growing Bacillus subtilis by divergent approaches.
Proteomics: 2008, 8(19);4123-36
[PubMed:18763711] [WorldCat.org] [DOI] (I p)

Hans-Matti Blencke, Georg Homuth, Holger Ludwig, Ulrike Mäder, Michael Hecker, Jörg Stülke
Transcriptional profiling of gene expression in response to glucose in Bacillus subtilis: regulation of the central metabolic pathways.
Metab Eng: 2003, 5(2);133-49
[PubMed:12850135] [WorldCat.org] [DOI] (P p)

K Kobayashi, S D Ehrlich, A Albertini, G Amati, K K Andersen, M Arnaud, K Asai, S Ashikaga, S Aymerich, P Bessieres, F Boland, S C Brignell, S Bron, K Bunai, J Chapuis, L C Christiansen, A Danchin, M Débarbouille, E Dervyn, E Deuerling, K Devine, S K Devine, O Dreesen, J Errington, S Fillinger, S J Foster, Y Fujita, A Galizzi, R Gardan, C Eschevins, T Fukushima, K Haga, C R Harwood, M Hecker, D Hosoya, M F Hullo, H Kakeshita, D Karamata, Y Kasahara, F Kawamura, K Koga, P Koski, R Kuwana, D Imamura, M Ishimaru, S Ishikawa, I Ishio, D Le Coq, A Masson, C Mauël, R Meima, R P Mellado, A Moir, S Moriya, E Nagakawa, H Nanamiya, S Nakai, P Nygaard, M Ogura, T Ohanan, M O'Reilly, M O'Rourke, Z Pragai, H M Pooley, G Rapoport, J P Rawlins, L A Rivas, C Rivolta, A Sadaie, Y Sadaie, M Sarvas, T Sato, H H Saxild, E Scanlan, W Schumann, J F M L Seegers, J Sekiguchi, A Sekowska, S J Séror, M Simon, P Stragier, R Studer, H Takamatsu, T Tanaka, M Takeuchi, H B Thomaides, V Vagner, J M van Dijl, K Watabe, A Wipat, H Yamamoto, M Yamamoto, Y Yamamoto, K Yamane, K Yata, K Yoshida, H Yoshikawa, U Zuber, N Ogasawara
Essential Bacillus subtilis genes.
Proc Natl Acad Sci U S A: 2003, 100(8);4678-83
[PubMed:12682299] [WorldCat.org] [DOI] (P p)

Ciarán Condon, Jordi Rourera, Dominique Brechemier-Baey, Harald Putzer
Ribonuclease M5 has few, if any, mRNA substrates in Bacillus subtilis.
J Bacteriol: 2002, 184(10);2845-9
[PubMed:11976317] [WorldCat.org] [DOI] (P p)

O Resnekov, L Melin, P Carlsson, M Mannerlöv, A von Gabain, L Hederstedt
Organization and regulation of the Bacillus subtilis odhAB operon, which encodes two of the subenzymes of the 2-oxoglutarate dehydrogenase complex.
Mol Gen Genet: 1992, 234(2);285-96
[PubMed:1508153] [WorldCat.org] [DOI] (P p)

P Carlsson, L Hederstedt
Genetic characterization of Bacillus subtilis odhA and odhB, encoding 2-oxoglutarate dehydrogenase and dihydrolipoamide transsuccinylase, respectively.
J Bacteriol: 1989, 171(7);3667-72
[PubMed:2500417] [WorldCat.org] [DOI] (P p)