ID   MQO_BACHK               Reviewed;         500 AA.
AC   Q6HHE0;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   19-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 86.
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=BT9727_2712;
OS   Bacillus thuringiensis subsp. konkukian (strain 97-27).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=281309;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=97-27;
RX   PubMed=16621833; DOI=10.1128/jb.188.9.3382-3390.2006;
RA   Han C.S., Xie G., Challacombe J.F., Altherr M.R., Bhotika S.S., Bruce D.,
RA   Campbell C.S., Campbell M.L., Chen J., Chertkov O., Cleland C.,
RA   Dimitrijevic M., Doggett N.A., Fawcett J.J., Glavina T., Goodwin L.A.,
RA   Hill K.K., Hitchcock P., Jackson P.J., Keim P., Kewalramani A.R.,
RA   Longmire J., Lucas S., Malfatti S., McMurry K., Meincke L.J., Misra M.,
RA   Moseman B.L., Mundt M., Munk A.C., Okinaka R.T., Parson-Quintana B.,
RA   Reilly L.P., Richardson P., Robinson D.L., Rubin E., Saunders E., Tapia R.,
RA   Tesmer J.G., Thayer N., Thompson L.S., Tice H., Ticknor L.O., Wills P.L.,
RA   Brettin T.S., Gilna P.;
RT   "Pathogenomic sequence analysis of Bacillus cereus and Bacillus
RT   thuringiensis isolates closely related to Bacillus anthracis.";
RL   J. Bacteriol. 188:3382-3390(2006).
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; AE017355; AAT63839.1; -; Genomic_DNA.
DR   RefSeq; WP_000069158.1; NC_005957.1.
DR   RefSeq; YP_037036.1; NC_005957.1.
DR   AlphaFoldDB; Q6HHE0; -.
DR   EnsemblBacteria; AAT63839; AAT63839; BT9727_2712.
DR   GeneID; 45022788; -.
DR   KEGG; btk:BT9727_2712; -.
DR   PATRIC; fig|281309.8.peg.2878; -.
DR   HOGENOM; CLU_028151_0_0_9; -.
DR   OMA; PHLDTRW; -.
DR   UniPathway; UPA00223; UER01008.
DR   Proteomes; UP000001301; 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..500
FT                   /note="Probable malate:quinone oxidoreductase"
FT                   /id="PRO_1000023793"
SQ   SEQUENCE   500 AA;  55181 MW;  B1CC34883ED05EE6 CRC64;
     MSNMQQKTDV ILIGAGIMSA TLGSLLKELA PEWEIKVFEK LASAGEESSN EWNNAGTGHS
     ALCELNYTSE KSDGSIDISK AVKVNEQFQL SRQFWAYLVK SKLIRNPQDF IMPLPHMSLV
     QGEKNVEFLK NRFEALSKNP LFQGMEFSDA PETLKKWLPL IMEGRTSNEP MAATKIDSGT
     DVNFGALTRM LFDYLKTKDV ELNYKHSVEN IKRTKNGLWE VKVHDMNSGK IEHHTAKFVF
     IGGGGGSLPL LQKTGIPESK HIGGFPVSGL FMVCKNQKVV EQHHAKVYGK AKVGAPPMSV
     PHLDTRYIDN KKALLFGPFA GFSPKFLKTG SNLDLIGSVK PNNVLTMLAA GVKEMGLTKY
     LIQQVMLSHE KRMEELREFI PNAKSEDWDI VVAGQRVQVI KDTDAGGKGT LQFGTEVVSA
     ADGSIAALLG ASPGASTAVH VMLEVLEKCF PSRMVEWEGK IKEMIPSYGI SLTENPRLFQ
     DLHTSTGRTL GLNEKETVHN