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Database: UniProt
Entry: A0A151BI65_9ARCH
LinkDB: A0A151BI65_9ARCH
Original site: A0A151BI65_9ARCH 
ID   A0A151BI65_9ARCH        Unreviewed;       303 AA.
AC   A0A151BI65;
DT   08-JUN-2016, integrated into UniProtKB/TrEMBL.
DT   08-JUN-2016, sequence version 1.
DT   24-JAN-2024, entry version 25.
DE   RecName: Full=CoB--CoM heterodisulfide reductase iron-sulfur subunit A {ECO:0000256|RuleBase:RU366072};
DE            EC=1.8.-.- {ECO:0000256|RuleBase:RU366072};
GN   ORFNames=AYL32_016270 {ECO:0000313|EMBL:KYH39397.1};
OS   Candidatus Bathyarchaeota archaeon B26-2.
OC   Archaea; Candidatus Bathyarchaeota.
OX   NCBI_TaxID=1779371 {ECO:0000313|EMBL:KYH39397.1, ECO:0000313|Proteomes:UP000075437};
RN   [1] {ECO:0000313|EMBL:KYH39397.1, ECO:0000313|Proteomes:UP000075437}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=B26-2 {ECO:0000313|EMBL:KYH39397.1};
RA   He Y., Li M., Perumal V., Feng X., Fang J., Xie J., Sievert S., Wang F.;
RT   "Evidence for homoacetogenesis among multiple lineages of the archaeal
RT   phylum Bathyarchaeota widespread in marine sediments.";
RL   Submitted (MAR-2016) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Part of a complex that catalyzes the reversible reduction of
CC       CoM-S-S-CoB to the thiol-coenzymes H-S-CoM (coenzyme M) and H-S-CoB
CC       (coenzyme B). {ECO:0000256|RuleBase:RU366072}.
CC   -!- COFACTOR:
CC       Name=FAD; Xref=ChEBI:CHEBI:57692;
CC         Evidence={ECO:0000256|ARBA:ARBA00001974,
CC         ECO:0000256|RuleBase:RU366072};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000256|RuleBase:RU366072};
CC   -!- PATHWAY: Cofactor metabolism; coenzyme M-coenzyme B heterodisulfide
CC       reduction; coenzyme B and coenzyme M from coenzyme M-coenzyme B
CC       heterodisulfide: step 1/1. {ECO:0000256|RuleBase:RU366072}.
CC   -!- SUBUNIT: The ferredoxin:CoB-CoM heterodisulfide reductase is composed
CC       of three subunits; HdrA, HdrB and HdrC.
CC       {ECO:0000256|RuleBase:RU366072}.
CC   -!- SIMILARITY: Belongs to the HdrA family. {ECO:0000256|ARBA:ARBA00006561,
CC       ECO:0000256|RuleBase:RU366072}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:KYH39397.1}.
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DR   EMBL; LUCE01000073; KYH39397.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A151BI65; -.
DR   STRING; 1779371.AYL32_016270; -.
DR   UniPathway; UPA00647; UER00700.
DR   Proteomes; UP000075437; Unassembled WGS sequence.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0016491; F:oxidoreductase activity; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.30.70.20; -; 1.
DR   Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR   InterPro; IPR017896; 4Fe4S_Fe-S-bd.
DR   InterPro; IPR017900; 4Fe4S_Fe_S_CS.
DR   InterPro; IPR006076; FAD-dep_OxRdtase.
DR   InterPro; IPR036188; FAD/NAD-bd_sf.
DR   InterPro; IPR039650; HdrA-like.
DR   PANTHER; PTHR43498:SF1; COB--COM HETERODISULFIDE REDUCTASE IRON-SULFUR SUBUNIT A; 1.
DR   PANTHER; PTHR43498; FERREDOXIN:COB-COM HETERODISULFIDE REDUCTASE SUBUNIT A; 1.
DR   Pfam; PF01266; DAO; 1.
DR   Pfam; PF00037; Fer4; 1.
DR   SUPFAM; SSF54862; 4Fe-4S ferredoxins; 1.
DR   SUPFAM; SSF51905; FAD/NAD(P)-binding domain; 1.
DR   PROSITE; PS00198; 4FE4S_FER_1; 1.
DR   PROSITE; PS51379; 4FE4S_FER_2; 1.
PE   3: Inferred from homology;
KW   4Fe-4S {ECO:0000256|RuleBase:RU366072};
KW   FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|RuleBase:RU366072};
KW   Flavoprotein {ECO:0000256|RuleBase:RU366072};
KW   Iron {ECO:0000256|RuleBase:RU366072};
KW   Iron-sulfur {ECO:0000256|RuleBase:RU366072};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW   ECO:0000256|RuleBase:RU366072};
KW   Oxidoreductase {ECO:0000256|RuleBase:RU366072}.
FT   DOMAIN          251..282
FT                   /note="4Fe-4S ferredoxin-type"
FT                   /evidence="ECO:0000259|PROSITE:PS51379"
SQ   SEQUENCE   303 AA;  33420 MW;  59D24817ED4E55B1 CRC64;
     MGEVKVGVFL SDCGNQLPKV LDFDALTSFV KEIPGVVLVE RSSEFWRGEG LQRMLDAVKS
     GEVDRIVVAE SIPKLSEVSI AQAVEEAGLN PYLVEVIDLK DHCAWPHRET PSEATEKAKA
     MLLAAIERAK LLEPIEKLEF PALRSVLVIG GGIAGMQTAM DLAELGFKVN LIEREPFLGG
     IAARAGKFFP TDDCAICIQS PTSDVKTITH TSRKCVYRSG ISRVPNLSIL TNAEVVNVEG
     APGNYRVTVE KRPRYVNELK CVQCNLCVEV CPVEVPDEYN AGLKNRKAIY MKSTHSRHRR
     ERL
//
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