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Database: UniProt
Entry: A3JRF0_9RHOB
LinkDB: A3JRF0_9RHOB
Original site: A3JRF0_9RHOB 
ID   A3JRF0_9RHOB            Unreviewed;       542 AA.
AC   A3JRF0;
DT   03-APR-2007, integrated into UniProtKB/TrEMBL.
DT   03-APR-2007, sequence version 1.
DT   24-JAN-2024, entry version 57.
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=RB2150_07553 {ECO:0000313|EMBL:EBA04340.1};
OS   Rhodobacteraceae bacterium HTCC2150.
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC   Paracoccaceae.
OX   NCBI_TaxID=388401 {ECO:0000313|EMBL:EBA04340.1, ECO:0000313|Proteomes:UP000004731};
RN   [1] {ECO:0000313|EMBL:EBA04340.1, ECO:0000313|Proteomes:UP000004731}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HTCC2150 {ECO:0000313|EMBL:EBA04340.1,
RC   ECO:0000313|Proteomes:UP000004731};
RX   PubMed=20889754; DOI=10.1128/JB.01088-10;
RA   Kang I., Oh H.M., Vergin K.L., Giovannoni S.J., Cho J.C.;
RT   "Genome sequence of the marine alphaproteobacterium HTCC2150, assigned to
RT   the Roseobacter clade.";
RL   J. Bacteriol. 192:6315-6316(2010).
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:EBA04340.1}.
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DR   EMBL; AAXZ01000002; EBA04340.1; -; Genomic_DNA.
DR   AlphaFoldDB; A3JRF0; -.
DR   eggNOG; COG0644; Bacteria.
DR   eggNOG; COG2440; Bacteria.
DR   Proteomes; UP000004731; 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:UP000004731};
KW   Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU366068};
KW   Ubiquinone {ECO:0000256|ARBA:ARBA00023075, ECO:0000256|RuleBase:RU366068}.
FT   DOMAIN          202..295
FT                   /note="ETF-QO/FixC ubiquinone-binding"
FT                   /evidence="ECO:0000259|Pfam:PF21162"
FT   DOMAIN          438..539
FT                   /note="ETF-QO/FixX C-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF05187"
SQ   SEQUENCE   542 AA;  58787 MW;  243F0261E29D7AD0 CRC64;
     MDYDVVIVGA GPAGLSAAIR LKQLDADINV VVLEKGSEVG AHILSGALLD PIGLDKLIPD
     WKEKGAPITV PVKKDNFFML GEGGKLRLPN FIMPPLMNNH GNYIVSMGNV CRWMAEMAED
     MGVEIFPGMA CSELVFGENG EVSGVVAGEF GKNADGTPSD AYEPGMVLNG KYVFLSEGVR
     GSLSKEVIAK YNLDADSDVA KFGLGMKEIW EIDPEKHREG TVTHTMGWPL GKNAGGGSFV
     YHLDNNQVYV GFVVHLNYKN PYMFPYMEFQ RFKHHPMMAE LLKGGKRVAY GARAITEGGW
     QSIPKTAFPG GALLGCSAGL VNVPRIKGNH NAMLSGKAAA EAAYAAIQDG RSGDTLEAYD
     ADIRSGLIAK DLKRVRNVKP LWSRFGLMTS LVLGGADMWF ANLTGINLLG TLKHGKSDAD
     STEEAARHKP IEYPKADGKL SFDRLTNVSF SMTNHEESQP AHLTLGDNGI PIKVNLPKYA
     EPAQRYCPAG VYEVVEEAGK DARFQINFQN CVHCKTCDIK DPSKNITWVT PQGGDGPNYP
     NM
//
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