ID H3NUH3_9GAMM Unreviewed; 587 AA.
AC H3NUH3;
DT 18-APR-2012, integrated into UniProtKB/TrEMBL.
DT 18-APR-2012, sequence version 1.
DT 24-JAN-2024, entry version 47.
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 ORFNames=OMB55_00011730 {ECO:0000313|EMBL:EHQ57440.1};
OS gamma proteobacterium HIMB55.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Cellvibrionales; Halieaceae.
OX NCBI_TaxID=745014 {ECO:0000313|EMBL:EHQ57440.1, ECO:0000313|Proteomes:UP000003408};
RN [1] {ECO:0000313|EMBL:EHQ57440.1, ECO:0000313|Proteomes:UP000003408}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HIMB55 {ECO:0000313|EMBL:EHQ57440.1,
RC ECO:0000313|Proteomes:UP000003408};
RX PubMed=22493201; DOI=10.1128/JB.00171-12;
RA Huggett M.J., Rappe M.S.;
RT "Genome Sequence of Strain HIMB55, a Novel Marine Gammaproteobacterium of
RT the OM60/NOR5 Clade.";
RL J. Bacteriol. 194:2393-2394(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:EHQ57440.1}.
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DR EMBL; AGIF02000001; EHQ57440.1; -; Genomic_DNA.
DR AlphaFoldDB; H3NUH3; -.
DR STRING; 745014.OMB55_00011730; -.
DR PATRIC; fig|745014.4.peg.1182; -.
DR eggNOG; COG1053; Bacteria.
DR OrthoDB; 9806724at2; -.
DR UniPathway; UPA00223; UER01005.
DR Proteomes; UP000003408; 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 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:UP000003408};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU362051};
KW Tricarboxylic acid cycle {ECO:0000256|RuleBase:RU362051}.
FT DOMAIN 7..404
FT /note="FAD-dependent oxidoreductase 2 FAD binding"
FT /evidence="ECO:0000259|Pfam:PF00890"
FT DOMAIN 459..587
FT /note="Fumarate reductase/succinate dehydrogenase
FT flavoprotein-like C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02910"
FT ACT_SITE 286
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000171-1"
FT BINDING 12..17
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 35..50
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 221
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 242
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 254
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 353
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 387
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 398
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT BINDING 403..404
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR630664-51"
FT MOD_RES 43
FT /note="Tele-8alpha-FAD histidine"
FT /evidence="ECO:0000256|PIRSR:PIRSR611281-4"
SQ SEQUENCE 587 AA; 63974 MW; 0C2DCD1DE156371F CRC64;
MRTISFDGVI VGGGGAGMRA ALQLAQSGYK TAVISKVFPT RSHTVSAQGG ITCAIASADP
QDDWRWHMYD TVKGSDYIGD QDAIEYMCSV GPEAIFELEH MGLPFSRTEE GRIYQRPFGG
QSKNYGEGGQ AARTCAAADR TGHALLHTLY QNNVKNETVF FNEWFATELV KNQDGAIVGV
IAICIETGET VYVKSKATVF ATGGAGRIYA STTNAHINTG DGVGMALRAG VPVQDMEMWQ
FHPTGIYGAG TLVTEGCRGE GGYLINADGE RFMERYAPNA KDLAGRDVVA RSMILEILEG
RGCGPNGDHV KLKLDHLGEE VLESRLPGIC ELSRTFAHVD PVKEPIPVVP TCHYMMGGIP
TNIHGQALTV DADGNDQVIP GLYACGEIAC VSVHGANRLG GNSLLDLVVF GRASGLFIED
ALRQGIDMRD ATASDIEESN SRLVALNERE GGENVAALRK ELQGVMQNYF GVFRNGEFMQ
QGIKKLDDLK ERIANVKLED KSNAFNTARI ECLELQNLFE TAEATAIVAE ARKESRGAHA
REDFTERNDD EWLCHSIYHR EGRAVSKRSV NFTPKTVETF QPKIRTY
//
