ID   MDH_ECOHS               Reviewed;         312 AA.
AC   A8A545;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 80.
DE   RecName: Full=Malate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_01516};
DE            EC=1.1.1.37 {ECO:0000255|HAMAP-Rule:MF_01516};
GN   Name=mdh {ECO:0000255|HAMAP-Rule:MF_01516}; OrderedLocusNames=EcHS_A3425;
OS   Escherichia coli O9:H4 (strain HS).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=331112;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HS;
RX   PubMed=18676672; DOI=10.1128/jb.00619-08;
RA   Rasko D.A., Rosovitz M.J., Myers G.S.A., Mongodin E.F., Fricke W.F.,
RA   Gajer P., Crabtree J., Sebaihia M., Thomson N.R., Chaudhuri R.,
RA   Henderson I.R., Sperandio V., Ravel J.;
RT   "The pangenome structure of Escherichia coli: comparative genomic analysis
RT   of E. coli commensal and pathogenic isolates.";
RL   J. Bacteriol. 190:6881-6893(2008).
CC   -!- FUNCTION: Catalyzes the reversible oxidation of malate to oxaloacetate.
CC       {ECO:0000255|HAMAP-Rule:MF_01516}.
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_01516};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01516}.
CC   -!- SIMILARITY: Belongs to the LDH/MDH superfamily. MDH type 1 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01516}.
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DR   EMBL; CP000802; ABV07649.1; -; Genomic_DNA.
DR   RefSeq; WP_001295272.1; NC_009800.1.
DR   AlphaFoldDB; A8A545; -.
DR   SMR; A8A545; -.
DR   GeneID; 67415932; -.
DR   KEGG; ecx:EcHS_A3425; -.
DR   HOGENOM; CLU_047181_0_1_6; -.
DR   OMA; MGWTSQA; -.
DR   Proteomes; UP000001123; 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   CDD; cd01337; MDH_glyoxysomal_mitochondrial; 1.
DR   Gene3D; 3.90.110.10; -; 1.
DR   HAMAP; MF_01516; Malate_dehydrog_1; 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; IPR001252; Malate_DH_AS.
DR   InterPro; IPR010097; Malate_DH_type1.
DR   InterPro; IPR023958; Malate_DH_type1_bac.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
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; TIGR01772; MDH_euk_gproteo; 1.
DR   PROSITE; PS00068; MDH; 1.
PE   3: Inferred from homology;
KW   NAD; Oxidoreductase; Tricarboxylic acid cycle.
FT   CHAIN           1..312
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_1000068586"
FT   ACT_SITE        177
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         7..13
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         34
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         81
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         87
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         94
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         117..119
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         119
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         153
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         227
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
SQ   SEQUENCE   312 AA;  32337 MW;  17741A3B5AD068BA CRC64;
     MKVAVLGAAG GIGQALALLL KTQLPSGSEL SLYDIAPVTP GVAVDLSHIP TAVKIKGFSG
     EDATPALEGA DVVLISAGVA RKPGMDRSDL FNVNAGIVKN LVQQVAKTCP KACIGIITNP
     VNTTVAIAAE VLKKAGVYDK NKLFGVTTLD IIRSNTFVAE LKGKQPGEVE VPVIGGHSGV
     TILPLLSQVP GVSFTEQEVA DLTKRIQNAG TEVVEAKAGG GSATLSMGQA AARFGLSLVR
     ALQGEQGVVE CAYVEGDGQY ARFFSQPLLL GKNGVEERKS IGTLSAFEQN ALEGMLDTLK
     KDIALGEEFV NK