ID   KORB_ARCFU              Reviewed;         267 AA.
AC   O29782;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   03-AUG-2022, entry version 99.
DE   RecName: Full=2-oxoglutarate synthase subunit KorB;
DE            EC=1.2.7.3;
DE   AltName: Full=2-ketoglutarate oxidoreductase beta chain;
DE            Short=KOR;
DE   AltName: Full=2-oxoglutarate-ferredoxin oxidoreductase subunit beta;
GN   Name=korB; OrderedLocusNames=AF_0468;
OS   Archaeoglobus fulgidus (strain ATCC 49558 / DSM 4304 / JCM 9628 / NBRC
OS   100126 / VC-16).
OC   Archaea; Euryarchaeota; Archaeoglobi; Archaeoglobales; Archaeoglobaceae;
OC   Archaeoglobus.
OX   NCBI_TaxID=224325;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49558 / DSM 4304 / JCM 9628 / NBRC 100126 / VC-16;
RX   PubMed=9389475; DOI=10.1038/37052;
RA   Klenk H.-P., Clayton R.A., Tomb J.-F., White O., Nelson K.E., Ketchum K.A.,
RA   Dodson R.J., Gwinn M.L., Hickey E.K., Peterson J.D., Richardson D.L.,
RA   Kerlavage A.R., Graham D.E., Kyrpides N.C., Fleischmann R.D.,
RA   Quackenbush J., Lee N.H., Sutton G.G., Gill S.R., Kirkness E.F.,
RA   Dougherty B.A., McKenney K., Adams M.D., Loftus B.J., Peterson S.N.,
RA   Reich C.I., McNeil L.K., Badger J.H., Glodek A., Zhou L., Overbeek R.,
RA   Gocayne J.D., Weidman J.F., McDonald L.A., Utterback T.R., Cotton M.D.,
RA   Spriggs T., Artiach P., Kaine B.P., Sykes S.M., Sadow P.W., D'Andrea K.P.,
RA   Bowman C., Fujii C., Garland S.A., Mason T.M., Olsen G.J., Fraser C.M.,
RA   Smith H.O., Woese C.R., Venter J.C.;
RT   "The complete genome sequence of the hyperthermophilic, sulphate-reducing
RT   archaeon Archaeoglobus fulgidus.";
RL   Nature 390:364-370(1997).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2-oxoglutarate + CoA + 2 oxidized [2Fe-2S]-[ferredoxin] = CO2
CC         + H(+) + 2 reduced [2Fe-2S]-[ferredoxin] + succinyl-CoA;
CC         Xref=Rhea:RHEA:17297, Rhea:RHEA-COMP:10000, Rhea:RHEA-COMP:10001,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:16810,
CC         ChEBI:CHEBI:33737, ChEBI:CHEBI:33738, ChEBI:CHEBI:57287,
CC         ChEBI:CHEBI:57292; EC=1.2.7.3;
CC   -!- SUBUNIT: Heterotetramer of the KorA, KorB, KorC and KorD subunits.
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DR   EMBL; AE000782; AAB90769.1; -; Genomic_DNA.
DR   PIR; D69308; D69308.
DR   RefSeq; WP_010877975.1; NC_000917.1.
DR   AlphaFoldDB; O29782; -.
DR   SMR; O29782; -.
DR   STRING; 224325.AF_0468; -.
DR   EnsemblBacteria; AAB90769; AAB90769; AF_0468.
DR   GeneID; 24794008; -.
DR   KEGG; afu:AF_0468; -.
DR   eggNOG; arCOG01599; Archaea.
DR   HOGENOM; CLU_048564_2_0_2; -.
DR   OMA; LPTIFCP; -.
DR   OrthoDB; 43666at2157; -.
DR   PhylomeDB; O29782; -.
DR   Proteomes; UP000002199; Chromosome.
DR   GO; GO:0047553; F:2-oxoglutarate synthase activity; IEA:UniProtKB-EC.
DR   GO; GO:0030976; F:thiamine pyrophosphate binding; IEA:InterPro.
DR   GO; GO:0006082; P:organic acid metabolic process; IEA:UniProt.
DR   GO; GO:1901576; P:organic substance biosynthetic process; IEA:UniProt.
DR   GO; GO:0044272; P:sulfur compound biosynthetic process; IEA:UniProt.
DR   InterPro; IPR029061; THDP-binding.
DR   InterPro; IPR011766; TPP_enzyme-bd_C.
DR   Pfam; PF02775; TPP_enzyme_C; 1.
DR   SUPFAM; SSF52518; SSF52518; 1.
PE   4: Predicted;
KW   Oxidoreductase; Reference proteome.
FT   CHAIN           1..267
FT                   /note="2-oxoglutarate synthase subunit KorB"
FT                   /id="PRO_0000099941"
SQ   SEQUENCE   267 AA;  29693 MW;  8E878FC25F0DC01D CRC64;
     MKAEYADYLR TEMLPTIWCA GCPNGIVLAS FIRAVKRGFE RDKTVVVSGI GCSGRITQYL
     DFETVHTTHG RALAFATGIK LAKPELNVVV FMGDGDAVAI GGNHFIHACR RNIDLTAVVI
     NNSLYGMTGG QLAPTTPEGA KTKTSPYGNV ERPFDIAKLA IAAGASYVAR FTAYQPRWIE
     KAIFEAMQHH GFSVVEVVTG CPTHQRIKPA DLLKHLKENF RRRDNVSLDE IQPTDIGVFK
     KEVMEEFCEK IEKLRMYVRK GENKENV