ID E1ZGG0_CHLVA Unreviewed; 591 AA.
AC E1ZGG0;
DT 30-NOV-2010, integrated into UniProtKB/TrEMBL.
DT 30-NOV-2010, sequence version 1.
DT 27-MAR-2024, entry version 46.
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=CHLNCDRAFT_24204 {ECO:0000313|EMBL:EFN54752.1};
OS Chlorella variabilis (Green alga).
OC Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Trebouxiophyceae;
OC Chlorellales; Chlorellaceae; Chlorella clade; Chlorella.
OX NCBI_TaxID=554065 {ECO:0000313|Proteomes:UP000008141};
RN [1] {ECO:0000313|EMBL:EFN54752.1, ECO:0000313|Proteomes:UP000008141}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NC64A {ECO:0000313|EMBL:EFN54752.1,
RC ECO:0000313|Proteomes:UP000008141};
RX PubMed=20852019; DOI=10.1105/tpc.110.076406;
RA Blanc G., Duncan G., Agarkova I., Borodovsky M., Gurnon J., Kuo A.,
RA Lindquist E., Lucas S., Pangilinan J., Polle J., Salamov A., Terry A.,
RA Yamada T., Dunigan D.D., Grigoriev I.V., Claverie J.M., Van Etten J.L.;
RT "The Chlorella variabilis NC64A genome reveals adaptation to
RT photosymbiosis, coevolution with viruses, and cryptic sex.";
RL Plant Cell 22:2943-2955(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};
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DR EMBL; GL433846; EFN54752.1; -; Genomic_DNA.
DR RefSeq; XP_005846854.1; XM_005846792.1.
DR AlphaFoldDB; E1ZGG0; -.
DR STRING; 554065.E1ZGG0; -.
DR GeneID; 17354172; -.
DR KEGG; cvr:CHLNCDRAFT_24204; -.
DR eggNOG; KOG2415; Eukaryota.
DR InParanoid; E1ZGG0; -.
DR OMA; INFQNCV; -.
DR OrthoDB; 275372at2759; -.
DR Proteomes; UP000008141; Unassembled WGS sequence.
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 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:UP000008141};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU366068};
KW Ubiquinone {ECO:0000256|ARBA:ARBA00023075, ECO:0000256|RuleBase:RU366068}.
FT DOMAIN 251..344
FT /note="ETF-QO/FixC ubiquinone-binding"
FT /evidence="ECO:0000259|Pfam:PF21162"
FT DOMAIN 487..589
FT /note="ETF-QO/FixX C-terminal"
FT /evidence="ECO:0000259|Pfam:PF05187"
SQ SEQUENCE 591 AA; 64305 MW; 1D0A8B575711B9D2 CRC64;
MAAARSTAAI ALSARALSGA LRGLATAAAA DGGLATQDTR ESMHYDLLIV GAGPAGLAAA
IRFKQLCQEK GQDLSVCVIE KGAEVGKCCA HILSGNVLQP TALDELLPGW REDEECPVKQ
PATASRFYYL TQQRALRLPN PPQMSHKGNF VISLSEAVRW LGSKAEELGV EVFPGFGGAR
VLYGPSGDVH GVQTNDFGVA KDGSRKDSFS PGMALTARAT LFAEGCRGSL SQHIMKRFQL
REQVGAQPQT YALGLKEVWE VAPEKHVPGL VMHTIGHPLP WDVYGGSWLY HMPGNRVSMG
LVVALDYANP YLNPYQEFQQ WKRHPLISRL LEGGTCLQYG ARTLNEGGWQ SIPALTFPGG
ALVGDSAGFL NVPKIKGTHT AMKSGMLAAE AAFNAMDSQP AGAPLDLSAY ETNLRHSWIE
TELHRERNIR PSFGLGGGLW GGLAYSALEA YLLRGKEPWT LRHRFSDNEK LKPASGFTPI
EYPKLDNKIC FDLNTSLFRS QTNHEHDQPS HLQLLNSKLP EVLNLPVYDG PEGRYCPAGV
YEWVAGDDGQ RHLQINAQNC LHCKACDIKD PSQNIRWTVP EGGGGPNYTI M
//
