ID   MDH_CITK8               Reviewed;         312 AA.
AC   A8AQC8;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 86.
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=CKO_04641;
OS   Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Citrobacter.
OX   NCBI_TaxID=290338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG   The Citrobacter koseri Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA   Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA   Johnson M., Thiruvilangam P., Wilson R.;
RL   Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000822; ABV15691.1; -; Genomic_DNA.
DR   RefSeq; WP_012135368.1; NC_009792.1.
DR   AlphaFoldDB; A8AQC8; -.
DR   SMR; A8AQC8; -.
DR   STRING; 290338.CKO_04641; -.
DR   PRIDE; A8AQC8; -.
DR   EnsemblBacteria; ABV15691; ABV15691; CKO_04641.
DR   GeneID; 45138172; -.
DR   KEGG; cko:CKO_04641; -.
DR   HOGENOM; CLU_047181_1_0_6; -.
DR   OMA; MGWTSQA; -.
DR   OrthoDB; 870724at2; -.
DR   Proteomes; UP000008148; 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; Reference proteome; Tricarboxylic acid cycle.
FT   CHAIN           1..312
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_1000068584"
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;  32424 MW;  9DD9923258470F7F CRC64;
     MKVAVLGAAG GIGQALALLL KTQLPSGSEL SLYDIAPVTP GVAVDLSHIP TAVKIKGFSG
     EDATPALEGA DVVLISAGVA RKPGMDRSDL FNVNAGIVKN LVQQIATTCP KACVGIITNP
     VNTTVAIAAE VLKKAGVYDK NKLFGVTTLD IIRSNTFVAE LKGKLPTDVE VPVIGGHSGV
     TILPLLSQIP GVSFTEQEVA DLTKRIQNAG TEVVEAKAGG GSATLSMGQA AARFGLSLVR
     ALQGEKDVVE CAYVEGDGQY ARFFSQPLLL GKNGVEERKS IGKLSAFEQN ALEGMLDTLK
     KDIALGEEFV NK