ID   MQO_RHOPA               Reviewed;         497 AA.
AC   Q6NA55;
DT   18-MAR-2008, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 90.
DE   RecName: Full=Probable malate:quinone oxidoreductase {ECO:0000255|HAMAP-Rule:MF_00212};
DE            EC=1.1.5.4 {ECO:0000255|HAMAP-Rule:MF_00212};
DE   AltName: Full=MQO {ECO:0000255|HAMAP-Rule:MF_00212};
DE   AltName: Full=Malate dehydrogenase [quinone] {ECO:0000255|HAMAP-Rule:MF_00212};
GN   Name=mqo {ECO:0000255|HAMAP-Rule:MF_00212}; OrderedLocusNames=RPA1331;
OS   Rhodopseudomonas palustris (strain ATCC BAA-98 / CGA009).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Rhodopseudomonas.
OX   NCBI_TaxID=258594;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-98 / CGA009;
RX   PubMed=14704707; DOI=10.1038/nbt923;
RA   Larimer F.W., Chain P., Hauser L., Lamerdin J.E., Malfatti S., Do L.,
RA   Land M.L., Pelletier D.A., Beatty J.T., Lang A.S., Tabita F.R.,
RA   Gibson J.L., Hanson T.E., Bobst C., Torres y Torres J.L., Peres C.,
RA   Harrison F.H., Gibson J., Harwood C.S.;
RT   "Complete genome sequence of the metabolically versatile photosynthetic
RT   bacterium Rhodopseudomonas palustris.";
RL   Nat. Biotechnol. 22:55-61(2004).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-malate + a quinone = a quinol + oxaloacetate;
CC         Xref=Rhea:RHEA:46012, ChEBI:CHEBI:15589, ChEBI:CHEBI:16452,
CC         ChEBI:CHEBI:24646, ChEBI:CHEBI:132124; EC=1.1.5.4;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00212};
CC   -!- COFACTOR:
CC       Name=FAD; Xref=ChEBI:CHEBI:57692;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00212};
CC   -!- PATHWAY: Carbohydrate metabolism; tricarboxylic acid cycle;
CC       oxaloacetate from (S)-malate (quinone route): step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_00212}.
CC   -!- SIMILARITY: Belongs to the MQO family. {ECO:0000255|HAMAP-
CC       Rule:MF_00212}.
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DR   EMBL; BX572597; CAE26774.1; -; Genomic_DNA.
DR   RefSeq; WP_011156894.1; NC_005296.1.
DR   AlphaFoldDB; Q6NA55; -.
DR   STRING; 258594.RPA1331; -.
DR   PRIDE; Q6NA55; -.
DR   EnsemblBacteria; CAE26774; CAE26774; RPA1331.
DR   GeneID; 66892356; -.
DR   KEGG; rpa:RPA1331; -.
DR   eggNOG; COG0579; Bacteria.
DR   HOGENOM; CLU_028151_0_0_5; -.
DR   OMA; RCDNPEV; -.
DR   PhylomeDB; Q6NA55; -.
DR   BioCyc; RPAL258594:TX73_RS06795-MON; -.
DR   UniPathway; UPA00223; UER01008.
DR   Proteomes; UP000001426; Chromosome.
DR   GO; GO:0052589; F:malate dehydrogenase (menaquinone) activity; IEA:UniProtKB-EC.
DR   GO; GO:0008924; F:malate dehydrogenase (quinone) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.50.50.60; -; 1.
DR   HAMAP; MF_00212; MQO; 1.
DR   InterPro; IPR036188; FAD/NAD-bd_sf.
DR   InterPro; IPR006231; MQO.
DR   Pfam; PF06039; Mqo; 1.
DR   SUPFAM; SSF51905; SSF51905; 1.
DR   TIGRFAMs; TIGR01320; mal_quin_oxido; 1.
PE   3: Inferred from homology;
KW   FAD; Flavoprotein; Oxidoreductase; Reference proteome;
KW   Tricarboxylic acid cycle.
FT   CHAIN           1..497
FT                   /note="Probable malate:quinone oxidoreductase"
FT                   /id="PRO_0000325512"
SQ   SEQUENCE   497 AA;  54007 MW;  4391035043904442 CRC64;
     MSQIPETSDI VLIGAGIMSA TLGTVLKELE PSLSVTMLET LHDCGQESSQ AWNNAGTGHA
     ANCELNYTPQ RPDGSVDITK ALEVNTEFDI SRQLWAHLVT KGAIPDPRAF LHPCPHMSFV
     WGDDNVAFLR QRHREMAAHH CYHGMEFSED SAQIAAWAPL IIEGRKPGQP IAATRIISGA
     DVDYGALTHL LVKQLQAQSG FSVHYKHRVV ALARGDDGRW LVTVENVASA ERTTISARFV
     FAGAGGGALD ILQKSGIPEG NGYAGFPVSG IWLRCDVDDI SVRHHAKVYG KAAHGSPPMS
     VPHLDTRIIG GKRSLLFGPY AGFSSKFLKH GSYADLLRSI EPGNILPMLA VARDDWQLSE
     YLIGQVLQTS EHQFAALQGF FPRAQREDWQ RAVAGQRVQI IKPDPQHTGV LEFGTELVAS
     ADNSFVALLG ASPGASTAAF IAMEVLQKCF DDRLTPDGWL GALKQMIPTY GIDLKQDAAA
     CRDSRARTAK VLQLDFV