ID A0A433TPJ4_ELYCH Unreviewed; 667 AA.
AC A0A433TPJ4;
DT 08-MAY-2019, integrated into UniProtKB/TrEMBL.
DT 08-MAY-2019, sequence version 1.
DT 24-JAN-2024, entry version 15.
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=EGW08_008794 {ECO:0000313|EMBL:RUS83478.1};
OS Elysia chlorotica (Eastern emerald elysia) (Sea slug).
OC Eukaryota; Metazoa; Spiralia; Lophotrochozoa; Mollusca; Gastropoda;
OC Heterobranchia; Euthyneura; Panpulmonata; Sacoglossa; Placobranchoidea;
OC Plakobranchidae; Elysia.
OX NCBI_TaxID=188477 {ECO:0000313|EMBL:RUS83478.1, ECO:0000313|Proteomes:UP000271974};
RN [1] {ECO:0000313|EMBL:RUS83478.1, ECO:0000313|Proteomes:UP000271974}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=EC2010 {ECO:0000313|EMBL:RUS83478.1};
RC TISSUE=Whole organism of an adult {ECO:0000313|EMBL:RUS83478.1};
RA Cai H., Li Q., Fang X., Li J., Curtis N.E., Altenburger A., Shibata T.,
RA Feng M., Maeda T., Schwartz J.A., Shigenobu S., Lundholm N., Nishiyama T.,
RA Yang H., Hasebe M., Li S., Pierce S.K., Wang J.;
RT "A draft genome assembly of the solar-powered sea slug Elysia chlorotica.";
RL Submitted (JAN-2019) 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|ARBA:ARBA00004443, ECO:0000256|RuleBase:RU362051};
CC Peripheral membrane protein {ECO:0000256|ARBA:ARBA00004443,
CC ECO:0000256|RuleBase:RU362051}; Matrix side
CC {ECO:0000256|ARBA:ARBA00004443, 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}.
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:RUS83478.1}.
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DR EMBL; RQTK01000242; RUS83478.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A433TPJ4; -.
DR STRING; 188477.A0A433TPJ4; -.
DR UniPathway; UPA00223; UER01006.
DR Proteomes; UP000271974; 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 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:UP000271974};
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 72..460
FT /note="FAD-dependent oxidoreductase 2 FAD binding"
FT /evidence="ECO:0000259|Pfam:PF00890"
FT DOMAIN 515..667
FT /note="Fumarate reductase/succinate dehydrogenase
FT flavoprotein-like C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02910"
FT ACT_SITE 342
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR611281-1"
FT MOD_RES 101
FT /note="Tele-8alpha-FAD histidine"
FT /evidence="ECO:0000256|PIRSR:PIRSR611281-4"
SQ SEQUENCE 667 AA; 73355 MW; 7CAF3DA023EEA381 CRC64;
MASLASLPGK VAFRAAASNI LNNASKPLAA SREFHFRVHG RNTDAKASAT GNITRDYPVV
LVFILRQHQP PGGAGLRAAF GLANEGFKTA CITKLFPTRS HTVAAQGGIN AALGHMEEDN
WQYHFYDTVK GSDWLGDQDA IHYMCEEAPK AVIELENYGM PFSRLENGKI YQRAFGGQSL
KFGKGGQAHR CCAVADRTGH SLLHTLYGRS LKYDTNYFIE YFALDLIMED GECRGVIALC
LEDGSIHRFH SKNTIIATGG YGRSYFSCTS AHTCTGDGTA MINRAGLANE DMEFVQFHPT
GIYGAGCLIT EGSRGEGGYL VNSEGERFME RYAPNAKDLA SRDVVSRSST IEIREGRGVG
KDKDHVYLQL HHLDPEVLHT RLPGISETAM IFAGVDVTRE PIPVLPTVHY NMGGVPTNYK
GQVIRYTEES GDQVVPGLYA AGEAACASVH GANRLGANSL LDLVVFGRAC ANTIIEENKP
GDSIGPISQN AGESSVANLD KLRYADGSTR TSELRLNMQK VMQTHAGVFR DGDSLLEGCN
KMQQVYEGME DLKVSDRGLI WNTDLVETLE LQNLMINAVQ TIVSAEQRKE SRGAHSREDF
KDRIDEYDYS KPVEGQQKKP FAEHWRKHTL SYVDDKTGKV KIDYRPVIDE TLSQAECPMV
PPAIRSY
//