ID A0A1I4E002_9RHOB Unreviewed; 548 AA.
AC A0A1I4E002;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 21.
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=SAMN04488004_105182 {ECO:0000313|EMBL:SFK98519.1};
OS Loktanella salsilacus.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Roseobacteraceae; Loktanella.
OX NCBI_TaxID=195913 {ECO:0000313|EMBL:SFK98519.1, ECO:0000313|Proteomes:UP000199550};
RN [1] {ECO:0000313|EMBL:SFK98519.1, ECO:0000313|Proteomes:UP000199550}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 16199 {ECO:0000313|EMBL:SFK98519.1,
RC ECO:0000313|Proteomes:UP000199550};
RA de Groot N.N.;
RL Submitted (OCT-2016) 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};
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DR EMBL; FOTF01000005; SFK98519.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1I4E002; -.
DR STRING; 195913.SAMN04488004_105182; -.
DR OrthoDB; 9766632at2; -.
DR Proteomes; UP000199550; 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 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:UP000199550};
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 445..545
FT /note="ETF-QO/FixX C-terminal"
FT /evidence="ECO:0000259|Pfam:PF05187"
SQ SEQUENCE 548 AA; 59345 MW; FFCDF0350E12266E CRC64;
MADTQRETME YDVVIVGAGP AGLSAAIRLK QLDADLNVVV LEKGSEVGAH ILSGAVLDTC
GLDHLMPDWK ERGAPITVPV KEDNFYLLGE AGKIRVPNFP MPPLMNNHGN YIVSMGNVCR
WMAEQAEALG VEIFPGMSCS ELVWGEDGRV AGVVAGEFGR NADGSEGPGY EPGMELLGKY
VFLSEGVRGS LSKQVIAKYD LAKDSEPQKY GLGMKEIWEI DPAKHKPGTV THTMGWPLGK
NAGGGSFIYH LDNNQVYVGF VVHLNYKNPY LFPYMEFQRF KHHPMIAELL EGGKRVAYGA
RAISEGGFQS IPQTAFPGGA LLGCSAGLVN VPRIKGNHNA MLSGIHAAEA AHDAIKAGRS
GDTLTDYDKE LKSGPVGKDL KKVRNVKPLW SKYGLFPSLA IGGFDMWTNT MGFSLLGTLG
HGKSDAEATE KADKHTPITY PKPDGKLSFD RLTNVAFSFT NHEESQPAHL KLLDPSIPVG
VNLPEYAGPS ARYCPAGVYE FVGTGEDTKF QINFQNCVHC KTCDIKDPSQ NINWTVPQGG
DGPNYPNM
//
