Q57957 (KORB_METJA) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
2-oxoglutarate synthase subunit korB
EC=1.2.7.3

Alternative name(s):
2-ketoglutarate oxidoreductase beta chain
Short name=KOR
2-oxoglutarate-ferredoxin oxidoreductase subunit beta

Gene names

Name:	korB
Ordered Locus Names:	MJ0537

Organism

Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440) (Methanococcus jannaschii)

Taxonomic identifier

243232 [NCBI]

Taxonomic lineage

Archaea › Euryarchaeota › Methanococci › Methanococcales › Methanocaldococcaceae › Methanocaldococcus

Protein attributes

Sequence length	270 AA.
Sequence status	Complete.
Protein existence	Predicted

General annotation (Comments)

Catalytic activity	2-oxoglutarate + CoA + 2 oxidized ferredoxin = succinyl-CoA + CO2 + 2 reduced ferredoxin + 2 H+.
Subunit structure	Heterotetramer of the korA, korB, korC and korD subunits.

Ontologies

Keywords
Molecular function	Oxidoreductase
Technical term	Complete proteome Reference proteome
Gene Ontology (GO)
Molecular function	2-oxoglutarate synthase activity Inferred from electronic annotation. Source: EC thiamine pyrophosphate binding Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 270	270	2-oxoglutarate synthase subunit korB		PRO_0000099942

Sequences

	Sequence		Length	Mass (Da)
	Q57957 [UniParc]. Last modified November 1, 1996. Version 1. Checksum: 4F7331CF37216554	FASTA	270	29,895
	10 20 30 40 50 60 MHPALKYMRQ DRLPHIFCSG CGNGIVMNCF LKAIEELNIK PEDYIAVSGI GCSSRVPGYL 70 80 90 100 110 120 YCDSLHTTHG RPIAFATGIK IARPDKHVVV FTGDGDLAAI GGNHFIHGCR RNIDLTVICI 130 140 150 160 170 180 NNNIYGMTGG QVSPTTPYGK KATTAPYGSI ENTMDLCKMA IAAGATYVAR WTTAHPIQLV 190 200 210 220 230 240 RSIKKGIQKK GFAFIEVVSQ CPTYYGRFNI SRKPADMIKF LKENSIHLNK AKDMSEEELN 250 260 270 GKIVVGEFLD IEKPEFVEEL HKLIEKLKSE

References

[1]

"Complete genome sequence of the methanogenic archaeon, Methanococcus jannaschii." Bult C.J., White O., Olsen G.J., Zhou L., Fleischmann R.D., Sutton G.G., Blake J.A., FitzGerald L.M., Clayton R.A., Gocayne J.D., Kerlavage A.R., Dougherty B.A., Tomb J.-F., Adams M.D., Reich C.I., Overbeek R., Kirkness E.F., Weinstock K.G. , Merrick J.M., Glodek A., Scott J.L., Geoghagen N.S.M., Weidman J.F., Fuhrmann J.L., Nguyen D., Utterback T.R., Kelley J.M., Peterson J.D., Sadow P.W., Hanna M.C., Cotton M.D., Roberts K.M., Hurst M.A., Kaine B.P., Borodovsky M., Klenk H.-P., Fraser C.M., Smith H.O., Woese C.R., Venter J.C. Science 273:1058-1073(1996) [PubMed: 8688087] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440.

Cross-references

Sequence databases
EMBL GenBank DDBJ	L77117 Genomic DNA. Translation: AAB98531.1.
PIR	A64367.
RefSeq	NP_247516.1. NC_000909.1.
3D structure databases
ProteinModelPortal	Q57957.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	1451402.
GenomeReviews	Gene locus MJ0537 in contig L77117_GR.
KEGG	mja:MJ_0537.
NMPDR	fig|243232.1.peg.553.
TIGR	MJ0537.
Phylogenomic databases
HOGENOM	HBG308756.
OMA	TYYGRFN.
ProtClustDB	PRK05778.
Enzyme and pathway databases
BioCyc	MJAN243232:MJ_0537-MONOMER.
Family and domain databases
InterPro	IPR011766. TPP_enzyme-bd_C. [Graphical view]
KO	K00175.
Pfam	PF02775. TPP_enzyme_C. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

KORB_METJA

Accession

Primary (citable) accession number: Q57957

Entry history

Integrated into UniProtKB/Swiss-Prot:	May 30, 2000
Last sequence update:	November 1, 1996
Last modified:	November 16, 2011
This is version 66 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program