ID   FRDD_VIBVY              Reviewed;         125 AA.
AC   Q7MGX4;
DT   19-JUL-2005, integrated into UniProtKB/Swiss-Prot.
DT   15-DEC-2003, sequence version 1.
DT   25-MAY-2022, entry version 94.
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}; OrderedLocusNames=VV3100;
OS   Vibrio vulnificus (strain YJ016).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Vibrio.
OX   NCBI_TaxID=196600;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=YJ016;
RX   PubMed=14656965; DOI=10.1101/gr.1295503;
RA   Chen C.-Y., Wu K.-M., Chang Y.-C., Chang C.-H., Tsai H.-C., Liao T.-L.,
RA   Liu Y.-M., Chen H.-J., Shen A.B.-T., Li J.-C., Su T.-L., Shao C.-P.,
RA   Lee C.-T., Hor L.-I., Tsai S.-F.;
RT   "Comparative genome analysis of Vibrio vulnificus, a marine pathogen.";
RL   Genome Res. 13:2577-2587(2003).
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; BA000037; BAC95864.1; -; Genomic_DNA.
DR   RefSeq; WP_011151344.1; NC_005139.1.
DR   AlphaFoldDB; Q7MGX4; -.
DR   SMR; Q7MGX4; -.
DR   STRING; 672.VV93_v1c28230; -.
DR   EnsemblBacteria; BAC95864; BAC95864; BAC95864.
DR   KEGG; vvy:VV3100; -.
DR   eggNOG; COG3080; Bacteria.
DR   HOGENOM; CLU_168367_0_0_6; -.
DR   OMA; ACYAFAG; -.
DR   OrthoDB; 2071715at2; -.
DR   Proteomes; UP000002675; Chromosome I.
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; Reference proteome;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..125
FT                   /note="Fumarate reductase subunit D"
FT                   /id="PRO_0000196557"
FT   TRANSMEM        30..50
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00709"
FT   TRANSMEM        60..80
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00709"
FT   TRANSMEM        105..125
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00709"
SQ   SEQUENCE   125 AA;  13664 MW;  73697713C3C8B6E7 CRC64;
     MKPNYNVDRA PKRSDEPVWW SLFGAGGTWF AMITPVTVLV LGILVPMGVI NAEALSYDRV
     VSFATSIIGA LFIIATLALP MWHAMHRVHH GMHDLKFHTG VVGKIACYAI AGLISALAVV
     FIFML