ID   IORB_METTH              Reviewed;         196 AA.
AC   O27881;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   25-MAY-2022, entry version 107.
DE   RecName: Full=Indolepyruvate oxidoreductase subunit IorB;
DE            Short=IOR;
DE            EC=1.2.7.8;
DE   AltName: Full=Indolepyruvate ferredoxin oxidoreductase subunit beta;
GN   Name=iorB; OrderedLocusNames=MTH_1853;
OS   Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM
OS   10044 / NBRC 100330 / Delta H) (Methanobacterium thermoautotrophicum).
OC   Archaea; Euryarchaeota; Methanomada group; Methanobacteria;
OC   Methanobacteriales; Methanobacteriaceae; Methanothermobacter.
OX   NCBI_TaxID=187420;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H;
RX   PubMed=9371463; DOI=10.1128/jb.179.22.7135-7155.1997;
RA   Smith D.R., Doucette-Stamm L.A., Deloughery C., Lee H.-M., Dubois J.,
RA   Aldredge T., Bashirzadeh R., Blakely D., Cook R., Gilbert K., Harrison D.,
RA   Hoang L., Keagle P., Lumm W., Pothier B., Qiu D., Spadafora R., Vicare R.,
RA   Wang Y., Wierzbowski J., Gibson R., Jiwani N., Caruso A., Bush D.,
RA   Safer H., Patwell D., Prabhakar S., McDougall S., Shimer G., Goyal A.,
RA   Pietrovski S., Church G.M., Daniels C.J., Mao J.-I., Rice P., Noelling J.,
RA   Reeve J.N.;
RT   "Complete genome sequence of Methanobacterium thermoautotrophicum deltaH:
RT   functional analysis and comparative genomics.";
RL   J. Bacteriol. 179:7135-7155(1997).
CC   -!- FUNCTION: Catalyzes the ferredoxin-dependent oxidative decarboxylation
CC       of arylpyruvates. {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=CoA + indole-3-pyruvate + 2 oxidized [2Fe-2S]-[ferredoxin] =
CC         (indol-3-yl)acetyl-CoA + CO2 + H(+) + 2 reduced [2Fe-2S]-
CC         [ferredoxin]; Xref=Rhea:RHEA:12645, Rhea:RHEA-COMP:10000, Rhea:RHEA-
CC         COMP:10001, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:17640,
CC         ChEBI:CHEBI:33737, ChEBI:CHEBI:33738, ChEBI:CHEBI:57271,
CC         ChEBI:CHEBI:57287; EC=1.2.7.8;
CC   -!- SUBUNIT: Heterodimer of the IorA and IorB subunits.
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DR   EMBL; AE000666; AAB86319.1; -; Genomic_DNA.
DR   PIR; H69114; H69114.
DR   RefSeq; WP_010877455.1; NC_000916.1.
DR   AlphaFoldDB; O27881; -.
DR   SMR; O27881; -.
DR   STRING; 187420.MTH_1853; -.
DR   EnsemblBacteria; AAB86319; AAB86319; MTH_1853.
DR   GeneID; 1470938; -.
DR   KEGG; mth:MTH_1853; -.
DR   PATRIC; fig|187420.15.peg.1806; -.
DR   HOGENOM; CLU_087284_1_1_2; -.
DR   OMA; HGMSQRF; -.
DR   Proteomes; UP000005223; Chromosome.
DR   GO; GO:0043805; F:indolepyruvate ferredoxin oxidoreductase activity; IEA:UniProtKB-EC.
DR   Gene3D; 3.40.920.10; -; 1.
DR   InterPro; IPR017719; Indolepyruvate_Fd_OxRdtase_bsu.
DR   InterPro; IPR019752; Pyrv/ketoisovalerate_OxRed_cat.
DR   InterPro; IPR002869; Pyrv_flavodox_OxRed_cen.
DR   Pfam; PF01558; POR; 1.
DR   SUPFAM; SSF53323; SSF53323; 1.
DR   TIGRFAMs; TIGR03334; IOR_beta; 1.
PE   3: Inferred from homology;
KW   Oxidoreductase; Reference proteome.
FT   CHAIN           1..196
FT                   /note="Indolepyruvate oxidoreductase subunit IorB"
FT                   /id="PRO_0000099932"
SQ   SEQUENCE   196 AA;  20948 MW;  CF1A16D8535BD034 CRC64;
     MNYNIYVCGV GGQGIIKTSV IIGEAAMKKD INVVMSEIHG MAQRGGSVST EIRIGEVHGS
     IIPDGEADLV LAFEPLEAIR ALPKMSEESE VILNTSVIPP FNLMRSPHPY PPLDEIMSTL
     EERAGSVRGF NAEEIALKAG HILSLNMVML GAAAATPGFP LESESLISSM RDNLPSRLID
     VNLRAFRDGF GAAAES