ID B2FHG4_STRMK Unreviewed; 561 AA.
AC B2FHG4;
DT 10-JUN-2008, integrated into UniProtKB/TrEMBL.
DT 10-JUN-2008, sequence version 1.
DT 27-MAR-2024, entry version 80.
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 OrderedLocusNames=Smlt0198 {ECO:0000313|EMBL:CAQ43807.1};
OS Stenotrophomonas maltophilia (strain K279a).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Xanthomonadales;
OC Xanthomonadaceae; Stenotrophomonas; Stenotrophomonas maltophilia group.
OX NCBI_TaxID=522373 {ECO:0000313|EMBL:CAQ43807.1, ECO:0000313|Proteomes:UP000008840};
RN [1] {ECO:0000313|EMBL:CAQ43807.1, ECO:0000313|Proteomes:UP000008840}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K279a {ECO:0000313|EMBL:CAQ43807.1,
RC ECO:0000313|Proteomes:UP000008840};
RX PubMed=18419807; DOI=10.1186/gb-2008-9-4-r74;
RA Crossman L.C., Gould V.C., Dow J.M., Vernikos G.S., Okazaki A.,
RA Sebaihia M., Saunders D., Arrowsmith C., Carver T., Peters N., Adlem E.,
RA Kerhornou A., Lord A., Murphy L., Seeger K., Squares R., Rutter S.,
RA Quail M.A., Rajandream M.A., Harris D., Churcher C., Bentley S.D.,
RA Parkhill J., Thomson N.R., Avison M.B.;
RT "The complete genome, comparative and functional analysis of
RT Stenotrophomonas maltophilia reveals an organism heavily shielded by drug
RT resistance determinants.";
RL Genome Biol. 9:R74.1-R74.13(2008).
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; AM743169; CAQ43807.1; -; Genomic_DNA.
DR AlphaFoldDB; B2FHG4; -.
DR EnsemblBacteria; CAQ43807; CAQ43807; Smlt0198.
DR KEGG; sml:Smlt0198; -.
DR eggNOG; COG0644; Bacteria.
DR eggNOG; COG2440; Bacteria.
DR HOGENOM; CLU_009667_4_1_6; -.
DR Proteomes; UP000008840; 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; 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:UP000008840};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU366068};
KW Ubiquinone {ECO:0000256|ARBA:ARBA00023075, ECO:0000256|RuleBase:RU366068}.
FT DOMAIN 222..315
FT /note="ETF-QO/FixC ubiquinone-binding"
FT /evidence="ECO:0000259|Pfam:PF21162"
FT DOMAIN 458..559
FT /note="ETF-QO/FixX C-terminal"
FT /evidence="ECO:0000259|Pfam:PF05187"
SQ SEQUENCE 561 AA; 60758 MW; 03B4893720E472E9 CRC64;
MQSMSAEANA LPPREVMEFD VVIVGAGPAG LATAIRLRQR AIEAGRELSV CVLEKGSEPG
AHVLSGAVMD PRALTELFPD WAERGAPLKQ KVTRDEFLFL SETGARSTPN ALLPECFHNE
GNYIISLGEV TRWLAQQAEA LEVAIFPGFA AAEVLYGDNG EVIGVATGDM GIEKDGSIGP
AFERGMALHA RYTIFAEGAR GHLGRQLIAR YKLDEGKDPQ AYGIGIKELW QIDPAKHEPG
LVVHAAGWPL DSDTYGGAFL YHADGGKVAI GYVVGLDYRN PWLSPFEEFQ RFKTHPSIRK
HLEGGTRIGY GARAITAGGL LSLPKTVFPG GALVGCEAGY LNASRIKGSH AAIKTGMLCA
DAAFDALAAD RQHDELSAYP TAFEASWLFT ELQQAKNFKQ WFKKGQTVAT LMTGVEQWLL
PKLGVRNPPW TLHRTQPDHA CLEPAAKHTR IAYPKPDGVL TFDRLSSVFL SSTNHDENQP
SHLTLKDPSI PVKVNLAEYA GPEARYCPAG VYEFVGEADS ARLQINAQNC VHCKTCDIKD
PSQNIVWVTP QGGGGPNYSG M
//
