ID A0A1S4B0E1_TOBAC Unreviewed; 439 AA.
AC A0A1S4B0E1;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 27-MAR-2024, entry version 26.
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 Name=LOC107803061 {ECO:0000313|RefSeq:XP_016482253.1};
OS Nicotiana tabacum (Common tobacco).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC asterids; lamiids; Solanales; Solanaceae; Nicotianoideae; Nicotianeae;
OC Nicotiana.
OX NCBI_TaxID=4097 {ECO:0000313|Proteomes:UP000084051, ECO:0000313|RefSeq:XP_016482253.1};
RN [1] {ECO:0000313|Proteomes:UP000084051}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. TN90 {ECO:0000313|Proteomes:UP000084051};
RX PubMed=24807620; DOI=10.1038/ncomms4833;
RA Sierro N., Battey J.N., Ouadi S., Bakaher N., Bovet L., Willig A.,
RA Goepfert S., Peitsch M.C., Ivanov N.V.;
RT "The tobacco genome sequence and its comparison with those of tomato and
RT potato.";
RL Nat. Commun. 5:3833-3833(2014).
RN [2] {ECO:0000313|RefSeq:XP_016482253.1}
RP IDENTIFICATION.
RG RefSeq;
RL Submitted (NOV-2023) to UniProtKB.
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 ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR RefSeq; XP_016482253.1; XM_016626767.1.
DR AlphaFoldDB; A0A1S4B0E1; -.
DR GeneID; 107803061; -.
DR OMA; INFQNCV; -.
DR OrthoDB; 275372at2759; -.
DR Proteomes; UP000084051; Unplaced.
DR GO; GO:0005739; C:mitochondrion; IEA:UniProt.
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 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:UP000084051};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU366068};
KW Ubiquinone {ECO:0000256|ARBA:ARBA00023075, ECO:0000256|RuleBase:RU366068}.
FT DOMAIN 105..198
FT /note="ETF-QO/FixC ubiquinone-binding"
FT /evidence="ECO:0000259|Pfam:PF21162"
FT DOMAIN 334..436
FT /note="ETF-QO/FixX C-terminal"
FT /evidence="ECO:0000259|Pfam:PF05187"
SQ SEQUENCE 439 AA; 49040 MW; F8655617A9FAC57E CRC64;
MGIPTYSLSQ LVRWLGQKAE ELGVEIYPGF AASEILFNEH NEVTGIATND MGVAKDGSRK
ENYQRGVALK GRVTLLAEGC RGSLSEKVIK KYNLREKGQG QHQTYALGIK EVWEIDVEKH
QPGSVLHTLG WPLDQKTYGG SFLYHMKDRQ VAVGFVVALN YHNPFLNPYE EYQRFKRHPA
IRPLLEGGIV LQYGARCLNE GGYQSIPYPV FPGGAIIGCS AGFLNVPKIK GTHTAMKSGM
LVAESVFSTL QEGLKIENFW DNLRSSWIWE ELYTARNYRP AFEYGLYPGL AISAVEHYIL
KGRSPVTLKH GKPDHEATSE AQVFSPIEYP KPDGAVTFDV PTSLYRSNTN HDHDQPSHLL
LKDPTVPENV NLPKYAGPEA RYCPARVYEY IPDETGDLKL QINAQNCLHC KACSIKDPRQ
NIEWTVPEGG GGPGYTIIQ
//
