ID I2JJN4_9GAMM Unreviewed; 590 AA.
AC I2JJN4;
DT 11-JUL-2012, integrated into UniProtKB/TrEMBL.
DT 11-JUL-2012, sequence version 1.
DT 24-JAN-2024, entry version 50.
DE RecName: Full=Succinate dehydrogenase flavoprotein subunit {ECO:0000256|ARBA:ARBA00019965, ECO:0000256|RuleBase:RU362051};
DE EC=1.3.5.1 {ECO:0000256|ARBA:ARBA00012792, ECO:0000256|RuleBase:RU362051};
GN Name=sdhA {ECO:0000313|EMBL:EIF43186.1};
GN ORFNames=DOK_09981 {ECO:0000313|EMBL:EIF43186.1};
OS gamma proteobacterium BDW918.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Cellvibrionales;
OC Spongiibacteraceae.
OX NCBI_TaxID=1168065 {ECO:0000313|EMBL:EIF43186.1, ECO:0000313|Proteomes:UP000003473};
RN [1] {ECO:0000313|EMBL:EIF43186.1, ECO:0000313|Proteomes:UP000003473}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BDW918 {ECO:0000313|EMBL:EIF43186.1,
RC ECO:0000313|Proteomes:UP000003473};
RX PubMed=22740675; DOI=10.1128/JB.00678-12;
RA Kim S.M., Cho S.J., Lee S.B.;
RT "Genome Sequence of the Unclassified Marine Gammaproteobacterium BDW918.";
RL J. Bacteriol. 194:3753-3754(2012).
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|ARBA:ARBA00000030,
CC 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 (bacterial route): step 1/1.
CC {ECO:0000256|ARBA:ARBA00004894, ECO:0000256|RuleBase:RU362051}.
CC -!- SUBCELLULAR LOCATION: Cell inner membrane
CC {ECO:0000256|ARBA:ARBA00004515, ECO:0000256|RuleBase:RU362051};
CC Peripheral membrane protein {ECO:0000256|ARBA:ARBA00004515,
CC ECO:0000256|RuleBase:RU362051}; Cytoplasmic side
CC {ECO:0000256|ARBA:ARBA00004515, ECO:0000256|RuleBase:RU362051}.
CC Membrane {ECO:0000256|ARBA:ARBA00004287}; Peripheral membrane protein
CC {ECO:0000256|ARBA:ARBA00004287}; Cytoplasmic side
CC {ECO:0000256|ARBA:ARBA00004287}.
CC -!- SIMILARITY: Belongs to the FAD-dependent oxidoreductase 2 family.
CC FRD/SDH subfamily. {ECO:0000256|ARBA:ARBA00008040,
CC ECO:0000256|RuleBase:RU362051}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EIF43186.1}.
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DR EMBL; AJMK01000038; EIF43186.1; -; Genomic_DNA.
DR AlphaFoldDB; I2JJN4; -.
DR PATRIC; fig|1168065.3.peg.2094; -.
DR eggNOG; COG1053; Bacteria.
DR HOGENOM; CLU_014312_6_1_6; -.
DR OrthoDB; 9806724at2; -.
DR UniPathway; UPA00223; UER01005.
DR Proteomes; UP000003473; Unassembled WGS sequence.
DR GO; GO:0005886; C:plasma 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 PRINTS; PR00368; FADPNR.
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 Cell inner membrane {ECO:0000256|RuleBase:RU362051};
KW Cell membrane {ECO:0000256|RuleBase:RU362051};
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:UP000003473};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU362051};
KW Tricarboxylic acid cycle {ECO:0000256|RuleBase:RU362051}.
FT DOMAIN 10..407
FT /note="FAD-dependent oxidoreductase 2 FAD binding"
FT /evidence="ECO:0000259|Pfam:PF00890"
FT DOMAIN 462..590
FT /note="Fumarate reductase/succinate dehydrogenase
FT flavoprotein-like C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02910"
FT ACT_SITE 289
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000171-1"
FT BINDING 15..20
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 38..53
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 224
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 245
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 257
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 356
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 390
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 401
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 406..407
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT MOD_RES 46
FT /note="Tele-8alpha-FAD histidine"
FT /evidence="ECO:0000256|PIRSR:PIRSR611281-4"
SQ SEQUENCE 590 AA; 64131 MW; AF719F195C5BD8EB CRC64;
MANIRTISFD GVIVGGGGAG MRAALQLAQS GYKTAVISKV FPTRSHTVSA QGGITCAIAS
SDPQDQWQWH MYDTVKGSDY IGDQEAIEYM CQVGPEAVYE LDHMGMPFSR TEEGRIYQRP
FGGQSKNFGE GGQAARTCAA ADRTGHALLH TLYQGNLKNN TVFFNEWYAT DLVKNEDGEV
VGVIAICIET GEVVYVKSKA TVFATGGAGR IYASTTNAHI NTGDGVGMAL RAGFPVQDIE
MWQFHPTGIA GAGVLVTEGC RGEGGYLVNK DGERFMERYA PNAKDLAGRD VVARSMTLEI
LEGRGCGPNG DHVYLKLDHL GEEVLESRLP GICELSRTFA HADPVKEPVP VVPTCHYMMG
GIPTNVNGQA LTVDADGNDT VIPGLFACGE VACVSVHGAN RLGGNSLLDL VVFGRSAGLF
IEKSLREGVE MRDASEADIE RAMSRLNKIN NTTGGESVSA LRTELQTIMQ NHFGVFRRGD
FMQEGIKKLA ELRVRIDNAH LEDKSNAYNT ARIEALELHN LFEVAEATAI AAEARTESRG
AHAREDFTER DDENWLCHSV YFPSEKRVGK RAVNFTPKTR EAFAPKIRTY
//