ID   FRDD_SHESW              Reviewed;         121 AA.
AC   A1REF8;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   25-MAY-2022, entry version 69.
DE   RecName: Full=Fumarate reductase subunit D {ECO:0000255|HAMAP-Rule:MF_00709};
DE   AltName: Full=Quinol-fumarate reductase subunit D {ECO:0000255|HAMAP-Rule:MF_00709};
DE            Short=QFR subunit D {ECO:0000255|HAMAP-Rule:MF_00709};
GN   Name=frdD {ECO:0000255|HAMAP-Rule:MF_00709};
GN   OrderedLocusNames=Sputw3181_0201;
OS   Shewanella sp. (strain W3-18-1).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=351745;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=W3-18-1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Lykidis A., Tiedje J., Richardson P.;
RT   "Complete sequence of Shewanella sp. W3-18-1.";
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Anchors the catalytic components of the fumarate reductase
CC       complex to the cell membrane, binds quinones. {ECO:0000255|HAMAP-
CC       Rule:MF_00709}.
CC   -!- SUBUNIT: Part of an enzyme complex containing four subunits: a
CC       flavoprotein (FrdA), an iron-sulfur protein (FrdB), and two hydrophobic
CC       anchor proteins (FrdC and FrdD). {ECO:0000255|HAMAP-Rule:MF_00709}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00709}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00709}.
CC   -!- SIMILARITY: Belongs to the FrdD family. {ECO:0000255|HAMAP-
CC       Rule:MF_00709}.
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DR   EMBL; CP000503; ABM23053.1; -; Genomic_DNA.
DR   RefSeq; WP_011787600.1; NC_008750.1.
DR   AlphaFoldDB; A1REF8; -.
DR   SMR; A1REF8; -.
DR   GeneID; 45040782; -.
DR   KEGG; shw:Sputw3181_0201; -.
DR   HOGENOM; CLU_168367_0_0_6; -.
DR   OMA; ACYAFAG; -.
DR   Proteomes; UP000002597; Chromosome.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0045284; C:plasma membrane fumarate reductase complex; IEA:UniProtKB-UniRule.
DR   GO; GO:0000104; F:succinate dehydrogenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006106; P:fumarate metabolic process; IEA:InterPro.
DR   CDD; cd00547; QFR_TypeD_subunitD; 1.
DR   Gene3D; 1.20.1300.10; -; 1.
DR   HAMAP; MF_00709; Fumarate_red_D; 1.
DR   InterPro; IPR003418; Fumarate_red_D.
DR   InterPro; IPR034804; SQR/QFR_C/D.
DR   Pfam; PF02313; Fumarate_red_D; 1.
DR   PIRSF; PIRSF000179; FrdD; 1.
DR   SUPFAM; SSF81343; SSF81343; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Membrane; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..121
FT                   /note="Fumarate reductase subunit D"
FT                   /id="PRO_1000132417"
FT   TRANSMEM        22..42
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00709"
FT   TRANSMEM        57..77
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00709"
FT   TRANSMEM        100..120
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00709"
SQ   SEQUENCE   121 AA;  13282 MW;  78FC2993AE6BB2BF CRC64;
     MINYSPKRSD EPIWWGLFGA GGVWFAMITP VTVLLMGILL PLHGFGVVDI GYDKVYAFVS
     HPIGGAFTVL SLSLPMWHAM HRVHHGLHDL QIHLGTVGKY ACYLAAALVT VLATVWVIQL
     S