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SDHB_ASHGO
ID   SDHB_ASHGO              Reviewed;         261 AA.
AC   Q75CI4;
DT   31-AUG-2004, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 115.
DE   RecName: Full=Succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial;
DE            EC=1.3.5.1;
DE   AltName: Full=Iron-sulfur subunit of complex II;
DE            Short=Ip;
DE   Flags: Precursor;
GN   Name=SDH2; OrderedLocusNames=ACL065C;
OS   Ashbya gossypii (strain ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL Y-1056)
OS   (Yeast) (Eremothecium gossypii).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC   Saccharomycetales; Saccharomycetaceae; Eremothecium.
OX   NCBI_TaxID=284811;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL Y-1056;
RX   PubMed=15001715; DOI=10.1126/science.1095781;
RA   Dietrich F.S., Voegeli S., Brachat S., Lerch A., Gates K., Steiner S.,
RA   Mohr C., Poehlmann R., Luedi P., Choi S., Wing R.A., Flavier A.,
RA   Gaffney T.D., Philippsen P.;
RT   "The Ashbya gossypii genome as a tool for mapping the ancient Saccharomyces
RT   cerevisiae genome.";
RL   Science 304:304-307(2004).
RN   [2]
RP   GENOME REANNOTATION.
RC   STRAIN=ATCC 10895 / CBS 109.51 / FGSC 9923 / NRRL Y-1056;
RX   PubMed=23749448; DOI=10.1534/g3.112.002881;
RA   Dietrich F.S., Voegeli S., Kuo S., Philippsen P.;
RT   "Genomes of Ashbya fungi isolated from insects reveal four mating-type
RT   loci, numerous translocations, lack of transposons, and distinct gene
RT   duplications.";
RL   G3 (Bethesda) 3:1225-1239(2013).
CC   -!- FUNCTION: Iron-sulfur protein (IP) subunit of succinate dehydrogenase
CC       (SDH) that is involved in complex II of the mitochondrial electron
CC       transport chain and is responsible for transferring electrons from
CC       succinate to ubiquinone (coenzyme Q). {ECO:0000250}.
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   -!- COFACTOR:
CC       Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135; Evidence={ECO:0000250};
CC       Note=Binds 1 [2Fe-2S] cluster. {ECO:0000250};
CC   -!- COFACTOR:
CC       Name=[3Fe-4S] cluster; Xref=ChEBI:CHEBI:21137; Evidence={ECO:0000250};
CC       Note=Binds 1 [3Fe-4S] cluster. {ECO:0000250};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883; Evidence={ECO:0000250};
CC       Note=Binds 1 [4Fe-4S] cluster. {ECO:0000250};
CC   -!- PATHWAY: Carbohydrate metabolism; tricarboxylic acid cycle; fumarate
CC       from succinate (eukaryal route): step 1/1.
CC   -!- SUBUNIT: Component of complex II composed of four subunits: a
CC       flavoprotein (FP), an iron-sulfur protein (IP), and a cytochrome b
CC       composed of a large and a small subunit. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Mitochondrion inner membrane {ECO:0000250};
CC       Peripheral membrane protein {ECO:0000250}; Matrix side {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the succinate dehydrogenase/fumarate reductase
CC       iron-sulfur protein family. {ECO:0000305}.
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DR   EMBL; AE016816; AAS51163.1; -; Genomic_DNA.
DR   RefSeq; NP_983339.1; NM_208692.1.
DR   AlphaFoldDB; Q75CI4; -.
DR   SMR; Q75CI4; -.
DR   STRING; 33169.AAS51163; -.
DR   EnsemblFungi; AAS51163; AAS51163; AGOS_ACL065C.
DR   GeneID; 4619459; -.
DR   KEGG; ago:AGOS_ACL065C; -.
DR   eggNOG; KOG3049; Eukaryota.
DR   HOGENOM; CLU_044838_0_2_1; -.
DR   InParanoid; Q75CI4; -.
DR   OMA; DGQYFGP; -.
DR   UniPathway; UPA00223; UER01006.
DR   Proteomes; UP000000591; Chromosome III.
DR   GO; GO:0000329; C:fungal-type vacuole membrane; IEA:EnsemblFungi.
DR   GO; GO:0031966; C:mitochondrial membrane; IBA:GO_Central.
DR   GO; GO:0005749; C:mitochondrial respiratory chain complex II, succinate dehydrogenase complex (ubiquinone); IEA:EnsemblFungi.
DR   GO; GO:0051537; F:2 iron, 2 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0051538; F:3 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0008177; F:succinate dehydrogenase (ubiquinone) activity; IEA:UniProtKB-EC.
DR   GO; GO:0009060; P:aerobic respiration; IBA:GO_Central.
DR   GO; GO:0006121; P:mitochondrial electron transport, succinate to ubiquinone; IEA:EnsemblFungi.
DR   GO; GO:0042776; P:proton motive force-driven mitochondrial ATP synthesis; IEA:EnsemblFungi.
DR   GO; GO:0022904; P:respiratory electron transport chain; IBA:GO_Central.
DR   GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-UniPathway.
DR   CDD; cd00207; fer2; 1.
DR   Gene3D; 1.10.1060.10; -; 1.
DR   Gene3D; 3.10.20.30; -; 1.
DR   InterPro; IPR036010; 2Fe-2S_ferredoxin-like_sf.
DR   InterPro; IPR001041; 2Fe-2S_ferredoxin-type.
DR   InterPro; IPR006058; 2Fe2S_fd_BS.
DR   InterPro; IPR017896; 4Fe4S_Fe-S-bd.
DR   InterPro; IPR017900; 4Fe4S_Fe_S_CS.
DR   InterPro; IPR012675; Beta-grasp_dom_sf.
DR   InterPro; IPR009051; Helical_ferredxn.
DR   InterPro; IPR004489; Succ_DH/fum_Rdtase_Fe-S.
DR   InterPro; IPR025192; Succ_DH/fum_Rdtase_N.
DR   Pfam; PF13085; Fer2_3; 1.
DR   SUPFAM; SSF54292; SSF54292; 1.
DR   TIGRFAMs; TIGR00384; dhsB; 1.
DR   PROSITE; PS00197; 2FE2S_FER_1; 1.
DR   PROSITE; PS51085; 2FE2S_FER_2; 1.
DR   PROSITE; PS00198; 4FE4S_FER_1; 1.
DR   PROSITE; PS51379; 4FE4S_FER_2; 1.
PE   3: Inferred from homology;
KW   2Fe-2S; 3Fe-4S; 4Fe-4S; Electron transport; Iron; Iron-sulfur; Membrane;
KW   Metal-binding; Mitochondrion; Mitochondrion inner membrane; Oxidoreductase;
KW   Reference proteome; Transit peptide; Transport; Tricarboxylic acid cycle.
FT   TRANSIT         1..?
FT                   /note="Mitochondrion"
FT   CHAIN           ?..261
FT                   /note="Succinate dehydrogenase [ubiquinone] iron-sulfur
FT                   subunit, mitochondrial"
FT                   /id="PRO_0000010347"
FT   DOMAIN          31..122
FT                   /note="2Fe-2S ferredoxin-type"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00465"
FT   DOMAIN          164..194
FT                   /note="4Fe-4S ferredoxin-type"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00711"
FT   BINDING         82
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000250"
FT   BINDING         87
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000250"
FT   BINDING         90
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000250"
FT   BINDING         102
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000250"
FT   BINDING         174
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000250"
FT   BINDING         177
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000250"
FT   BINDING         180
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000250"
FT   BINDING         184
FT                   /ligand="[3Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:21137"
FT                   /evidence="ECO:0000250"
FT   BINDING         189
FT                   /ligand="a ubiquinone"
FT                   /ligand_id="ChEBI:CHEBI:16389"
FT                   /ligand_note="ligand shared with DHSD"
FT                   /evidence="ECO:0000250"
FT   BINDING         231
FT                   /ligand="[3Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:21137"
FT                   /evidence="ECO:0000250"
FT   BINDING         237
FT                   /ligand="[3Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:21137"
FT                   /evidence="ECO:0000250"
FT   BINDING         241
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   261 AA;  29436 MW;  7F11084887FC7F5A CRC64;
     MVFRAGIGRI GLIRGLATQA AEVSATRYKS FKIYRWNPDT PAEKPRMQEY KVDLNKCGPM
     VLDALIKIKN EQDPTLTFRR SCREGICGSC AMNIGGRNTL ACLCKIDQAE NKDVKIYPLP
     HMYVVKDLVP DLTNFYKQYK SIQPYLQKAS KPADGREHLQ SIADRKKLDG LYECILCACC
     STACPSYWWN NEQYLGPAVL MQAYRWMVDS RDGAGAGRRE QLQNAMSVYR CHTIMNCTRT
     CPKGLNPGKA IAEIKKALAF A
 
 
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