ID   MQO_PSEFL               Reviewed;         505 AA.
AC   Q9S3Q5;
DT   15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-2000, sequence version 1.
DT   03-AUG-2022, entry version 62.
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};
OS   Pseudomonas fluorescens.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=294;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=WCS365;
RA   Radjkoemar-Bansraj M.R.K.S., Phoelich C.C., Dekkers L.C.;
RT   "Probable malate:quinone oxidoreductase (MQO) (malate dehydrogenase
RT   (acceptor))of Pseudomonas fluorescens strain WCS365 involved in competitive
RT   tomato root colonization.";
RL   Submitted (AUG-1999) to the EMBL/GenBank/DDBJ databases.
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; AF176206; AAD51981.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q9S3Q5; -.
DR   PRIDE; Q9S3Q5; -.
DR   UniPathway; UPA00223; UER01008.
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   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; Tricarboxylic acid cycle.
FT   CHAIN           1..505
FT                   /note="Probable malate:quinone oxidoreductase"
FT                   /id="PRO_0000128731"
SQ   SEQUENCE   505 AA;  55006 MW;  28DB99B265EE8179 CRC64;
     MAHNEAVDVV HVVLVGAGIM SATLAVLLKE LDPAISLEVV ELMDSGAAES SNPWNNAGTG
     HAGLCELNYT PQAADGNVDI KKAVHINTQF EVSKQFWTYL TRKGTFGSSK SFIAPVPHLS
     FVQGEKGVSF LKKRFELMHQ HHAFADMEYT EDKARMAEWM PLMMPGRPAD EVIAATRVMN
     GTDVNFGALT NQLLKHLTSA PDTQVKYCKR VTGLKRNGSG WTVSIKDVNS GSSRDVDAKF
     VFLGAAGAAL PLLQASGIEE SKGFGGFPVS GQWLRCDNPE VVKHHQAKVY SQAAVGSPPM
     SVPHLTPVWS MARNPCLFGP YAGFTTKFLK HGSIMDLPLS VRAGNIGPML AVARDNMDLT
     KYLISEVMQS MEQRLESLRR FYPEAKAEDW RLEVAGQRVQ IIKKDPKKGG VLQFGTELVA
     AKDGSLAALL GASPGASVTV SIMLELIERC FPDKAKGEWA TKLAEIFPAR EKVLETDAAL
     YRKINAQNNI ALELVEESSE TQSYA