ID A0A1W6BCY1_9PROT Unreviewed; 539 AA.
AC A0A1W6BCY1;
DT 05-JUL-2017, integrated into UniProtKB/TrEMBL.
DT 05-JUL-2017, sequence version 1.
DT 27-MAR-2024, entry version 23.
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=B5L73_02485 {ECO:0000313|EMBL:ARJ47679.1};
OS Candidatus Pelagibacter sp. RS39.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Candidatus Pelagibacterales;
OC Candidatus Pelagibacteraceae; Pelagibacter.
OX NCBI_TaxID=1977864 {ECO:0000313|EMBL:ARJ47679.1, ECO:0000313|Proteomes:UP000198240};
RN [1] {ECO:0000313|EMBL:ARJ47679.1, ECO:0000313|Proteomes:UP000198240}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=RS39 {ECO:0000313|EMBL:ARJ47679.1,
RC ECO:0000313|Proteomes:UP000198240};
RA Jimenez-Infante F., Ngugi D.K., Stingl U.;
RT "Genomic Characterization of Two Novel SAR11 Isolates From the Red Sea,
RT Including the First Strain of the SAR11 Ib clade.";
RL Submitted (APR-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; CP020777; ARJ47679.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1W6BCY1; -.
DR STRING; 1977864.B5L73_02485; -.
DR OrthoDB; 9766632at2; -.
DR Proteomes; UP000198240; 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; PF01946; Thi4; 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.
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 Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU366068};
KW Ubiquinone {ECO:0000256|ARBA:ARBA00023075, ECO:0000256|RuleBase:RU366068}.
FT DOMAIN 499..528
FT /note="4Fe-4S ferredoxin-type"
FT /evidence="ECO:0000259|PROSITE:PS51379"
SQ SEQUENCE 539 AA; 60548 MW; 4662E2A531348204 CRC64;
MSRESMEYDV VIVGGGPSGL STAIKLKQLN SNLNICILEK ASEIGAHILS GNVFETRALD
ELIPNWRDLK APIKTKVTKE KFLFLGKTKS LSWPTWLLPS VQKNHKNYII SLANLCRWLA
EQAEALGVEI FPGFPASEIL YNDDGSVKGV ATQDMGIDKQ GNKKDSFEPG IELIGKVTVF
AEGCRGHLGK ELIKKFNLDK DKNPQQYGIG FKEIWEIDEK NHEEGMVMHT AGWPLDNNTY
GGSFIYHAEN KQVFLGYVIG LDYQNPHLSP FDEFQRFKTH PSIKKIIEGG KRISYGARAL
IEGGIQSLPK MFMPGALLIG CDAGTLNMPK IKGSHTAMKS GIIAAETINF HFEKGDELSV
YEKIFKESWL YKELYKARNV KPSFSWGLIL GIIFTGIDQI LFRGKLPFTL KHKHADHETL
KPANKMPKID YPKPDNVITF DKTSSVYLTG TNHEDNQPVH LQLKDKDLPI NYTLEMYDEP
AQRYCPAGVY EVQKENDINK FVINAQNCIH CKTCDIKEPS QNITWVTPEG GGGPKYGNM
//
