ID A7THS0_VANPO Unreviewed; 635 AA.
AC A7THS0;
DT 02-OCT-2007, integrated into UniProtKB/TrEMBL.
DT 02-OCT-2007, sequence version 1.
DT 24-JAN-2024, entry version 83.
DE RecName: Full=Succinate dehydrogenase [ubiquinone] flavoprotein subunit, mitochondrial {ECO:0000256|RuleBase:RU362051};
DE EC=1.3.5.1 {ECO:0000256|RuleBase:RU362051};
GN ORFNames=Kpol_543p66 {ECO:0000313|EMBL:EDO18236.1};
OS Vanderwaltozyma polyspora (strain ATCC 22028 / DSM 70294 / BCRC 21397 / CBS
OS 2163 / NBRC 10782 / NRRL Y-8283 / UCD 57-17) (Kluyveromyces polysporus).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC Saccharomycetales; Saccharomycetaceae; Vanderwaltozyma.
OX NCBI_TaxID=436907 {ECO:0000313|Proteomes:UP000000267};
RN [1] {ECO:0000313|EMBL:EDO18236.1, ECO:0000313|Proteomes:UP000000267}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 22028 / DSM 70294 / BCRC 21397 / CBS 2163 / NBRC 10782 /
RC NRRL Y-8283 / UCD 57-17 {ECO:0000313|Proteomes:UP000000267};
RX PubMed=17494770; DOI=10.1073/pnas.0608218104;
RA Scannell D.R., Frank A.C., Conant G.C., Byrne K.P., Woolfit M., Wolfe K.H.;
RT "Independent sorting-out of thousands of duplicated gene pairs in two yeast
RT species descended from a whole-genome duplication.";
RL Proc. Natl. Acad. Sci. U.S.A. 104:8397-8402(2007).
CC -!- FUNCTION: Flavoprotein (FP) subunit of succinate dehydrogenase (SDH)
CC that is involved in complex II of the mitochondrial electron transport
CC chain and is responsible for transferring electrons from succinate to
CC ubiquinone (coenzyme Q). {ECO:0000256|RuleBase:RU362051}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a quinone + succinate = a quinol + fumarate;
CC Xref=Rhea:RHEA:40523, ChEBI:CHEBI:24646, ChEBI:CHEBI:29806,
CC ChEBI:CHEBI:30031, ChEBI:CHEBI:132124; EC=1.3.5.1;
CC Evidence={ECO:0000256|RuleBase:RU362051};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|ARBA:ARBA00001974,
CC ECO:0000256|PIRSR:PIRSR630664-51, ECO:0000256|RuleBase:RU362051};
CC -!- PATHWAY: Carbohydrate metabolism; tricarboxylic acid cycle; fumarate
CC from succinate (eukaryal route): step 1/1.
CC {ECO:0000256|RuleBase:RU362051}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion inner membrane
CC {ECO:0000256|RuleBase:RU362051}; Peripheral membrane protein
CC {ECO:0000256|RuleBase:RU362051}; Matrix side
CC {ECO:0000256|RuleBase:RU362051}.
CC -!- SIMILARITY: Belongs to the FAD-dependent oxidoreductase 2 family.
CC FRD/SDH subfamily. {ECO:0000256|ARBA:ARBA00008040,
CC ECO:0000256|RuleBase:RU362051}.
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DR EMBL; DS480392; EDO18236.1; -; Genomic_DNA.
DR RefSeq; XP_001646094.1; XM_001646044.1.
DR AlphaFoldDB; A7THS0; -.
DR STRING; 436907.A7THS0; -.
DR GeneID; 5546511; -.
DR KEGG; vpo:Kpol_543p66; -.
DR eggNOG; KOG2403; Eukaryota.
DR HOGENOM; CLU_014312_6_1_1; -.
DR InParanoid; A7THS0; -.
DR OMA; DPIPIQP; -.
DR OrthoDB; 551958at2759; -.
DR PhylomeDB; A7THS0; -.
DR UniPathway; UPA00223; UER01006.
DR Proteomes; UP000000267; Unassembled WGS sequence.
DR GO; GO:0005743; C:mitochondrial inner membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0102040; F:fumarate reductase (menaquinone); IEA:UniProtKB-EC.
DR GO; GO:0008177; F:succinate dehydrogenase (ubiquinone) activity; IEA:UniProtKB-EC.
DR GO; GO:0022900; P:electron transport chain; IEA:InterPro.
DR GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-UniPathway.
DR Gene3D; 3.50.50.60; FAD/NAD(P)-binding domain; 1.
DR Gene3D; 1.20.58.100; Fumarate reductase/succinate dehydrogenase flavoprotein-like, C-terminal domain; 1.
DR Gene3D; 4.10.80.40; succinate dehydrogenase protein domain; 1.
DR Gene3D; 3.90.700.10; Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain; 1.
DR InterPro; IPR003953; FAD-binding_2.
DR InterPro; IPR036188; FAD/NAD-bd_sf.
DR InterPro; IPR003952; FRD_SDH_FAD_BS.
DR InterPro; IPR037099; Fum_R/Succ_DH_flav-like_C_sf.
DR InterPro; IPR015939; Fum_Rdtase/Succ_DH_flav-like_C.
DR InterPro; IPR030664; SdhA/FrdA/AprA.
DR InterPro; IPR027477; Succ_DH/fumarate_Rdtase_cat_sf.
DR InterPro; IPR011281; Succ_DH_flav_su_fwd.
DR InterPro; IPR014006; Succ_Dhase_FrdA_Gneg.
DR NCBIfam; TIGR01816; sdhA_forward; 1.
DR NCBIfam; TIGR01812; sdhA_frdA_Gneg; 1.
DR PANTHER; PTHR11632; SUCCINATE DEHYDROGENASE 2 FLAVOPROTEIN SUBUNIT; 1.
DR PANTHER; PTHR11632:SF51; SUCCINATE DEHYDROGENASE [UBIQUINONE] FLAVOPROTEIN SUBUNIT, MITOCHONDRIAL; 1.
DR Pfam; PF00890; FAD_binding_2; 1.
DR Pfam; PF02910; Succ_DH_flav_C; 1.
DR PIRSF; PIRSF000171; SDHA_APRA_LASPO; 1.
DR SUPFAM; SSF51905; FAD/NAD(P)-binding domain; 1.
DR SUPFAM; SSF46977; Succinate dehydrogenase/fumarate reductase flavoprotein C-terminal domain; 1.
DR SUPFAM; SSF56425; Succinate dehydrogenase/fumarate reductase flavoprotein, catalytic domain; 1.
DR PROSITE; PS00504; FRD_SDH_FAD_BINDING; 1.
PE 3: Inferred from homology;
KW Electron transport {ECO:0000256|ARBA:ARBA00022982,
KW ECO:0000256|RuleBase:RU362051};
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|PIRSR:PIRSR611281-4};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630, ECO:0000256|PIRSR:PIRSR630664-
KW 51};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|RuleBase:RU362051};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU362051};
KW Reference proteome {ECO:0000313|Proteomes:UP000000267};
KW Transit peptide {ECO:0000256|RuleBase:RU362051};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU362051};
KW Tricarboxylic acid cycle {ECO:0000256|RuleBase:RU362051}.
FT DOMAIN 49..444
FT /note="FAD-dependent oxidoreductase 2 FAD binding"
FT /evidence="ECO:0000259|Pfam:PF00890"
FT DOMAIN 499..635
FT /note="Fumarate reductase/succinate dehydrogenase
FT flavoprotein-like C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02910"
FT ACT_SITE 326
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000171-1"
FT BINDING 54..59
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 77..92
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 261
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 282
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 294
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 393
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 427
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 438
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 443..444
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT MOD_RES 85
FT /note="Tele-8alpha-FAD histidine"
FT /evidence="ECO:0000256|PIRSR:PIRSR611281-4"
SQ SEQUENCE 635 AA; 69854 MW; 45959D0D7407AAD6 CRC64;
MLSLRNSLLK KSTAAEKLSL LVRKNRQFAT TSNAEDVSSK YNVIDHEYDC VVVGAGGAGL
RAAFGLAEAG FKTACVSKLF PTRSHTVAAQ GGINAALGNV HPDDWRWHMY DTVKGSDWLG
DQDAIHYMTR EAPESIIELE HFGMPFSRLE SGRIYQRAFG GQSKDFGKKG QAYRTCAVAD
RTGHAMLHTL YSEALKHDTH FFIEYFAMDL LTHNGEVRGV IAYNQEDGTI HRFKAHKTVI
ATGGYGRAYF SCTSAHTCTG DGNAMVSRAG FPLQDLEFVQ FHPSGIYGSG CLITEGARGE
GGYLLNSEGE RFMERYAPTA KDLASRDVVS RAITMEINAG RGVGKNKDHI FLQLSHLPQE
VLKERLPGIS ETASIFAGVD VTKQPIPVLP TVHYNMGGIP TKWTGEALTV DEEGNDKPIP
GLFACGEAAC VSVHGANRLG ANSLLDLVVF GRAVSHTISD TLQPGLPHKP LPNDIGKESL
ARLDKLRNSE GPVHTSAIRL KMQKAMQKNV SVFRTQETLD KGVEEVEAID KTFEKDVGIA
DKSMIWNSDL VETMELQNLL TCATQTAVSA ANRKESRGAH AREDYPKRND EEWMKHTLSW
QKDTGDAVTL KYRNVVYKTL DEKECPSVPP AIRKY
//