ID   MQO_ACIBY               Reviewed;         546 AA.
AC   B0V946;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   25-MAY-2022, entry version 71.
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=ABAYE2869;
OS   Acinetobacter baumannii (strain AYE).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC   Acinetobacter; Acinetobacter calcoaceticus/baumannii complex.
OX   NCBI_TaxID=509173;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AYE;
RX   PubMed=18350144; DOI=10.1371/journal.pone.0001805;
RA   Vallenet D., Nordmann P., Barbe V., Poirel L., Mangenot S., Bataille E.,
RA   Dossat C., Gas S., Kreimeyer A., Lenoble P., Oztas S., Poulain J.,
RA   Segurens B., Robert C., Abergel C., Claverie J.-M., Raoult D., Medigue C.,
RA   Weissenbach J., Cruveiller S.;
RT   "Comparative analysis of Acinetobacters: three genomes for three
RT   lifestyles.";
RL   PLoS ONE 3:E1805-E1805(2008).
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; CU459141; CAM87696.1; -; Genomic_DNA.
DR   RefSeq; WP_000714076.1; NC_010410.1.
DR   AlphaFoldDB; B0V946; -.
DR   EnsemblBacteria; CAM87696; CAM87696; ABAYE2869.
DR   KEGG; aby:ABAYE2869; -.
DR   HOGENOM; CLU_028151_0_0_6; -.
DR   OMA; PHLDTRW; -.
DR   UniPathway; UPA00223; UER01008.
DR   Proteomes; UP000002446; 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   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..546
FT                   /note="Probable malate:quinone oxidoreductase"
FT                   /id="PRO_1000099865"
SQ   SEQUENCE   546 AA;  60451 MW;  8355B36FF5559A4E CRC64;
     MKKFLKYLLV LIILILIAGI VFLFRPIASK QVQTAKDEPV VDAVLVGGGI MSATLGTYFT
     ELEPNWQIRM YERLDQVAQE SSNGFNNAGT GHSGFMEMNY TEEKNGKMEI AKAEKVASQF
     EVAKQFWSYQ VKQGVLAEPK TFINPVPHIA FVWGDNVKFL EKRYAAMIQS PLFKGMKFTE
     DPAVIKQWAP LVMTDRDPTQ KVAATRMEVG SDVNYGSITK QLVNHLNQNP NFKLQTSTEV
     TGISQNDDKT WTVSFKNLKT GKTDHVKTRF VFIGAGGAAV KLLQLTGLPE AKQYAGFPVG
     GEFLITDNPA ITAQHTAKVY GRAELGAPPM SVPHIDTRYI DGKKYVLFGP FATYSNKFLK
     NGSQLDLLAS TNKSNVLPMT TVGLENLDLV KYLVSQVMMS DEDRLNELRK YYPDAKAEDW
     RLSQGGQRVQ IIKKEPGKPA TLQFGTEIFA SKDGAVTALL GASPGASTSP YIMLNLLEKA
     FPQQTEGKWN QKLHEIVVSY KQDLSKDPVL LDKVRQYTSS TLGLNYTSPF KAANDETAAA
     PVAKAN