ID   MDH_STRMK               Reviewed;         328 AA.
AC   B2FQL8;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-JUN-2008, sequence version 1.
DT   03-AUG-2022, entry version 80.
DE   RecName: Full=Malate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_01517};
DE            EC=1.1.1.37 {ECO:0000255|HAMAP-Rule:MF_01517};
GN   Name=mdh {ECO:0000255|HAMAP-Rule:MF_01517}; OrderedLocusNames=Smlt0944;
OS   Stenotrophomonas maltophilia (strain K279a).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Stenotrophomonas; Stenotrophomonas maltophilia group.
OX   NCBI_TaxID=522373;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K279a;
RX   PubMed=18419807; DOI=10.1186/gb-2008-9-4-r74;
RA   Crossman L.C., Gould V.C., Dow J.M., Vernikos G.S., Okazaki A.,
RA   Sebaihia M., Saunders D., Arrowsmith C., Carver T., Peters N., Adlem E.,
RA   Kerhornou A., Lord A., Murphy L., Seeger K., Squares R., Rutter S.,
RA   Quail M.A., Rajandream M.A., Harris D., Churcher C., Bentley S.D.,
RA   Parkhill J., Thomson N.R., Avison M.B.;
RT   "The complete genome, comparative and functional analysis of
RT   Stenotrophomonas maltophilia reveals an organism heavily shielded by drug
RT   resistance determinants.";
RL   Genome Biol. 9:R74.1-R74.13(2008).
CC   -!- FUNCTION: Catalyzes the reversible oxidation of malate to oxaloacetate.
CC       {ECO:0000255|HAMAP-Rule:MF_01517}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-malate + NAD(+) = H(+) + NADH + oxaloacetate;
CC         Xref=Rhea:RHEA:21432, ChEBI:CHEBI:15378, ChEBI:CHEBI:15589,
CC         ChEBI:CHEBI:16452, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=1.1.1.37;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01517};
CC   -!- SIMILARITY: Belongs to the LDH/MDH superfamily. MDH type 2 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01517}.
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DR   EMBL; AM743169; CAQ44509.1; -; Genomic_DNA.
DR   RefSeq; WP_004153634.1; NC_010943.1.
DR   AlphaFoldDB; B2FQL8; -.
DR   SMR; B2FQL8; -.
DR   STRING; 522373.Smlt0944; -.
DR   EnsemblBacteria; CAQ44509; CAQ44509; Smlt0944.
DR   GeneID; 61464849; -.
DR   KEGG; sml:Smlt0944; -.
DR   eggNOG; COG0039; Bacteria.
DR   HOGENOM; CLU_040727_2_0_6; -.
DR   OMA; TKGMERG; -.
DR   OrthoDB; 870724at2; -.
DR   Proteomes; UP000008840; Chromosome.
DR   GO; GO:0030060; F:L-malate dehydrogenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006108; P:malate metabolic process; IEA:InterPro.
DR   GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.90.110.10; -; 1.
DR   HAMAP; MF_01517; Malate_dehydrog_2; 1.
DR   InterPro; IPR001557; L-lactate/malate_DH.
DR   InterPro; IPR022383; Lactate/malate_DH_C.
DR   InterPro; IPR001236; Lactate/malate_DH_N.
DR   InterPro; IPR015955; Lactate_DH/Glyco_Ohase_4_C.
DR   InterPro; IPR010945; Malate_DH_type2.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   PANTHER; PTHR23382; PTHR23382; 1.
DR   Pfam; PF02866; Ldh_1_C; 1.
DR   Pfam; PF00056; Ldh_1_N; 1.
DR   PIRSF; PIRSF000102; Lac_mal_DH; 1.
DR   SUPFAM; SSF51735; SSF51735; 1.
DR   SUPFAM; SSF56327; SSF56327; 1.
DR   TIGRFAMs; TIGR01759; MalateDH-SF1; 1.
PE   3: Inferred from homology;
KW   NAD; Oxidoreductase; Reference proteome; Tricarboxylic acid cycle.
FT   CHAIN           1..328
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_1000191629"
FT   ACT_SITE        189
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         11..17
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         94
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         100
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         107
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         114
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         131..133
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         133
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         164
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
SQ   SEQUENCE   328 AA;  34839 MW;  FA743B9A810A8868 CRC64;
     MKAPVRVAVT GAAGQIGYAL LFRIASGEML GKDQPVILQL LELPVDKAQA ALKGVMMELE
     DCAFPLLAGM VGTDDAEVAF KDADIALLVG ARPRGPGMER KDLLLENAKI FTAQGAALNK
     VASRDVKVLV VGNPANTNAY IAMKSAPDLK PENFTAMLRL DHNRALSQLS TKLGKPVGGM
     EKLVVWGNHS PTMYPDYRFA TADGASIADA INDQEWNANT FIPTVGKRGA AIIEARGSSS
     AASAANAAID HVRDWVLGSN GKWVTMGVPS DGSYGIPEGV IFGFAVTTEN GKYTLVKDLP
     IDDFSQKYID KTLAELEEER AGVAHLLG