ID A0A1B9FWN1_9TREE Unreviewed; 637 AA.
AC A0A1B9FWN1;
DT 02-NOV-2016, integrated into UniProtKB/TrEMBL.
DT 02-NOV-2016, sequence version 1.
DT 27-MAR-2024, entry version 29.
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=I302_07530 {ECO:0000313|EMBL:OCF23177.1};
OS Kwoniella bestiolae CBS 10118.
OC Eukaryota; Fungi; Dikarya; Basidiomycota; Agaricomycotina; Tremellomycetes;
OC Tremellales; Cryptococcaceae; Kwoniella.
OX NCBI_TaxID=1296100 {ECO:0000313|EMBL:OCF23177.1, ECO:0000313|Proteomes:UP000092730};
RN [1] {ECO:0000313|EMBL:OCF23177.1, ECO:0000313|Proteomes:UP000092730}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CBS 10118 {ECO:0000313|EMBL:OCF23177.1,
RC ECO:0000313|Proteomes:UP000092730};
RG The Broad Institute Genome Sequencing Platform;
RA Cuomo C., Litvintseva A., Chen Y., Heitman J., Sun S., Springer D.,
RA Dromer F., Young S.K., Zeng Q., Gargeya S., Fitzgerald M., Abouelleil A.,
RA Alvarado L., Berlin A.M., Chapman S.B., Dewar J., Goldberg J., Griggs A.,
RA Gujja S., Hansen M., Howarth C., Imamovic A., Larimer J., McCowan C.,
RA Murphy C., Pearson M., Priest M., Roberts A., Saif S., Shea T., Sykes S.,
RA Wortman J., Nusbaum C., Birren B.;
RT "The Genome Sequence of Cryptococcus bestiolae CBS10118.";
RL Submitted (JUL-2013) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|Proteomes:UP000092730}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CBS 10118 {ECO:0000313|Proteomes:UP000092730};
RA Cuomo C., Litvintseva A., Heitman J., Chen Y., Sun S., Springer D.,
RA Dromer F., Young S., Zeng Q., Chapman S., Gujja S., Saif S., Birren B.;
RT "Evolution of pathogenesis and genome organization in the Tremellales.";
RL Submitted (DEC-2013) to the EMBL/GenBank/DDBJ databases.
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|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; KI894024; OCF23177.1; -; Genomic_DNA.
DR RefSeq; XP_019044247.1; XM_019194124.1.
DR AlphaFoldDB; A0A1B9FWN1; -.
DR STRING; 1296100.A0A1B9FWN1; -.
DR GeneID; 30211929; -.
DR VEuPathDB; FungiDB:I302_07530; -.
DR OrthoDB; 551958at2759; -.
DR UniPathway; UPA00223; UER01006.
DR Proteomes; UP000092730; 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:0016705; F:oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen; IEA:UniProt.
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 PRINTS; PR00411; PNDRDTASEI.
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,
KW ECO:0000256|RuleBase:RU362051};
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:UP000092730};
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};
KW Ubiquinone {ECO:0000313|EMBL:OCF23177.1}.
FT DOMAIN 51..446
FT /note="FAD-dependent oxidoreductase 2 FAD binding"
FT /evidence="ECO:0000259|Pfam:PF00890"
FT DOMAIN 501..637
FT /note="Fumarate reductase/succinate dehydrogenase
FT flavoprotein-like C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02910"
FT ACT_SITE 328
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000171-1"
FT MOD_RES 87
FT /note="Tele-8alpha-FAD histidine"
FT /evidence="ECO:0000256|PIRSR:PIRSR611281-4"
SQ SEQUENCE 637 AA; 69988 MW; 319F9134D78B0632 CRC64;
MLSLTRTRLA RSAGRNLAKR GYVVASQTQR ASEAPNFGQH KGYPVIDHEF DAVVVGAGGA
GLRAAFGLAE GGLKTACITK LFPTRSHTVA AQGGVNAALG NMTEDDWRWH MYDTVKGSDW
LGDQDAIHYM TREAPNTVIE LEHYGVPFSR TKEGKIYQRA FGGQSLKYGK GGQAYRCAAA
ADRTGHAILH TLYGQSLRHN TNFFIEYFAL DLLMQDGECV GVIALNMEDG TLHRFRSHKT
VLATGGYGRA YFSCTSAHTC SGDGNAMVVR AGLPLQDLEF VQFHPTGIYG AGCLITEGSR
GEGGYLLNSE GERFMERYAP TAKDLASRDV VSRSMTLEIR EGRGVGPEKD HIFLQLSHLP
AEILHERLPG ISETAAIFAG VDVTKEPIPV LPTVHYNMGG IPTKYTGEVI TVDKDGKDQV
VPGLYAAGEA ACVSVHGANR LGANSLLDIV VFGRACANHI KETLKPGTPH KPFKDDLGKE
SIAELDKIRN SSGPLHTSQI RLNMQKTMQT DAAVFRTQES LDEGVKKMTE VYKQYDQVGI
KDRSMIWNSD LIETLELRNI QQNAIQTVVS AAARKESRGA HAREDFPERD DNEWMKHTLS
FQHDPESPKV DLQYRSVIAT TLDEAECKPV PPFKRTY
//