ID A0A2K9LUX1_9GAMM Unreviewed; 546 AA.
AC A0A2K9LUX1;
DT 25-APR-2018, integrated into UniProtKB/TrEMBL.
DT 25-APR-2018, sequence version 1.
DT 27-MAR-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=Kalk_20400 {ECO:0000313|EMBL:AUM14644.1};
OS Ketobacter alkanivorans.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pseudomonadales;
OC Ketobacteraceae; Ketobacter.
OX NCBI_TaxID=1917421 {ECO:0000313|EMBL:AUM14644.1, ECO:0000313|Proteomes:UP000235116};
RN [1] {ECO:0000313|Proteomes:UP000235116}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=GI5 {ECO:0000313|Proteomes:UP000235116};
RA Kim S.-J., Rhee S.-K.;
RT "Direct submision.";
RL Submitted (AUG-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Accepts electrons from ETF and reduces ubiquinone.
CC {ECO:0000256|ARBA:ARBA00002819, 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; CP022684; AUM14644.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2K9LUX1; -.
DR KEGG; kak:Kalk_20400; -.
DR OrthoDB; 9766632at2; -.
DR Proteomes; UP000235116; Chromosome.
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; IPR017896; 4Fe4S_Fe-S-bd.
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.
DR PROSITE; PS51379; 4FE4S_FER_2; 1.
DR PROSITE; PS51257; PROKAR_LIPOPROTEIN; 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:UP000235116};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU366068};
KW Ubiquinone {ECO:0000256|ARBA:ARBA00023075, ECO:0000256|RuleBase:RU366068}.
FT DOMAIN 506..535
FT /note="4Fe-4S ferredoxin-type"
FT /evidence="ECO:0000259|PROSITE:PS51379"
SQ SEQUENCE 546 AA; 59616 MW; CE31F905A41C0335 CRC64;
MERESMEYDV VIVGAGPAGL STACKLKQLN EEITVCVVEK GSEVGAHILS GAVIEPRAMN
ELFPNWKELG APLNVPVKED EVYFLTSDTK AQKVPHFGIP KPMHNDGNYI VSLGNVCRWL
GEQAEGLGVE IYPGFAAAEI LFNEDGSVKG VATGDMGVSH SGEQKASYTQ GIELHAKYTI
FSEGCRGHLG KELIKKFNLD AGKDPQHYGI GIKELWDIDP SKHKEGLVVH GAGWPLAENG
ATGGFFLYHT ENNQAVVGLI TDLNYDNPYL SPFDEFQRMK HHPLFAETLS GGKRISYGAR
AVVKGGLHSL PKLTFPGGLL IGCDAGTLNF SKIKGTHTAM KSGMLAAEAI VEGLAQETAP
TELTAYTTKF ENSWVFDELF RSRNFGAAMH KFGTFIGAAF NFIDQNIFNG KLPVNLHDTT
PDYACIKPAA NFSPISYPKP DGKLSFDKLG SVFLSNTNHE EDQPCHLKLT DANIPINVNL
EKWAEPAQRY CPAGVYEVMD NEDGSKRFQI NAQNCVHCKT CDIKDPSQNI TWVVPEGTGG
PNYPNM
//
