ID A4EZ99_9RHOB Unreviewed; 550 AA.
AC A4EZ99;
DT 17-APR-2007, integrated into UniProtKB/TrEMBL.
DT 17-APR-2007, sequence version 1.
DT 24-JAN-2024, entry version 52.
DE RecName: Full=Electron transfer flavoprotein-ubiquinone oxidoreductase {ECO:0000256|RuleBase:RU366068};
DE Short=ETF-QO {ECO:0000256|RuleBase:RU366068};
DE EC=1.5.5.1 {ECO:0000256|RuleBase:RU366068};
GN ORFNames=RSK20926_04267 {ECO:0000313|EMBL:EBA15067.1};
OS Roseobacter sp. SK209-2-6.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Roseobacteraceae; Roseobacter.
OX NCBI_TaxID=388739 {ECO:0000313|EMBL:EBA15067.1, ECO:0000313|Proteomes:UP000005964};
RN [1] {ECO:0000313|EMBL:EBA15067.1, ECO:0000313|Proteomes:UP000005964}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SK209-2-6 {ECO:0000313|EMBL:EBA15067.1,
RC ECO:0000313|Proteomes:UP000005964};
RA Ward B., Ferriera S., Johnson J., Kravitz S., Beeson K., Sutton G.,
RA Rogers Y.-H., Friedman R., Frazier M., Venter J.C.;
RL Submitted (JUN-2006) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Accepts electrons from ETF and reduces ubiquinone.
CC {ECO:0000256|RuleBase:RU366068}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a ubiquinone + reduced [electron-transfer flavoprotein] = a
CC ubiquinol + H(+) + oxidized [electron-transfer flavoprotein];
CC Xref=Rhea:RHEA:24052, Rhea:RHEA-COMP:9565, Rhea:RHEA-COMP:9566,
CC Rhea:RHEA-COMP:10685, Rhea:RHEA-COMP:10686, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16389, ChEBI:CHEBI:17976, ChEBI:CHEBI:57692,
CC ChEBI:CHEBI:58307; EC=1.5.5.1;
CC Evidence={ECO:0000256|RuleBase:RU366068};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|ARBA:ARBA00001974,
CC ECO:0000256|RuleBase:RU366068};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|RuleBase:RU366068};
CC Note=Binds 1 [4Fe-4S] cluster. {ECO:0000256|RuleBase:RU366068};
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:EBA15067.1}.
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DR EMBL; AAYC01000013; EBA15067.1; -; Genomic_DNA.
DR RefSeq; WP_008208864.1; NZ_AAYC01000013.1.
DR AlphaFoldDB; A4EZ99; -.
DR eggNOG; COG0644; Bacteria.
DR eggNOG; COG2440; Bacteria.
DR OrthoDB; 9766632at2; -.
DR Proteomes; UP000005964; Unassembled WGS sequence.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004174; F:electron-transferring-flavoprotein dehydrogenase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR Gene3D; 3.30.70.20; -; 1.
DR Gene3D; 3.30.9.90; -; 1.
DR Gene3D; 3.50.50.60; FAD/NAD(P)-binding domain; 1.
DR InterPro; IPR040156; ETF-QO.
DR InterPro; IPR049398; ETF-QO/FixC_UQ-bd.
DR InterPro; IPR007859; ETF-QO/FixX_C.
DR InterPro; IPR036188; FAD/NAD-bd_sf.
DR PANTHER; PTHR10617; ELECTRON TRANSFER FLAVOPROTEIN-UBIQUINONE OXIDOREDUCTASE; 1.
DR PANTHER; PTHR10617:SF107; ELECTRON TRANSFER FLAVOPROTEIN-UBIQUINONE OXIDOREDUCTASE, MITOCHONDRIAL; 1.
DR Pfam; PF05187; ETF_QO; 1.
DR Pfam; PF21162; ETFQO_UQ-bd; 1.
DR Pfam; PF13450; NAD_binding_8; 1.
DR PRINTS; PR00420; RNGMNOXGNASE.
DR SUPFAM; SSF54862; 4Fe-4S ferredoxins; 1.
DR SUPFAM; SSF54373; FAD-linked reductases, C-terminal domain; 1.
DR SUPFAM; SSF51905; FAD/NAD(P)-binding domain; 1.
PE 4: Predicted;
KW Electron transport {ECO:0000256|ARBA:ARBA00022982,
KW ECO:0000256|RuleBase:RU366068};
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|RuleBase:RU366068};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630,
KW ECO:0000256|RuleBase:RU366068};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|RuleBase:RU366068};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|RuleBase:RU366068};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU366068};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU366068};
KW Reference proteome {ECO:0000313|Proteomes:UP000005964};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU366068};
KW Ubiquinone {ECO:0000256|ARBA:ARBA00023075, ECO:0000256|RuleBase:RU366068}.
FT DOMAIN 210..303
FT /note="ETF-QO/FixC ubiquinone-binding"
FT /evidence="ECO:0000259|Pfam:PF21162"
FT DOMAIN 447..547
FT /note="ETF-QO/FixX C-terminal"
FT /evidence="ECO:0000259|Pfam:PF05187"
SQ SEQUENCE 550 AA; 59737 MW; 4C0D8BBCAF9B9482 CRC64;
MAEIERETME YDVVIVGAGP AGLSAAIRLK QLDADLEVVV LEKGSEVGAH ILSGAVLDPS
GLDALIPDWK EKGAPLNVAV EEDNFYMLGE AGEVRIPNFP MPPLMNNHGN YIVSMGNVCR
WMAEQAEELG VEIFPGMACS ELVYGDNGEV KGVVAGVFGL EADGTYGPNT EPGMELHGKY
VFLSEGVRGS LSKEVIAKYD LQAGKDVQKY GVGMKEIWEI DPAKHKEGTV THTMGWPLNS
NAGGGSFIYH LDNNQVYVGF VVHLNYKNPH VYPYMEFQRF KHHPMVAELL KGGKRVAYGA
RAITEGGYQS MPKLVAPGVA LLGCSAGMVN VPRIKGNHNA MLSGKAAAEA AHAAIKAERA
GDELSDYETS VRDGAIGDDL KKVRNVKPMW SKWGMLPSLV LGGFDMWFQT LTGGFSLFGS
LSHGKNDAES TEEASKHKEI DYPKPDGVLS FDRLTNVSFA ATNHEESQPC HLRLADPALP
ISTNLPKFAE PAQRYCPAGV YEVVEKDGQQ EFVVNFQNCV HCKTCDIKDP SQNITWTTPQ
GGDGPNYPNM
//
