ID   MDH_LARHH               Reviewed;         329 AA.
AC   C1DB66;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-MAY-2009, sequence version 1.
DT   03-AUG-2022, entry version 74.
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=LHK_02423;
OS   Laribacter hongkongensis (strain HLHK9).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Neisseriales;
OC   Chromobacteriaceae; Laribacter.
OX   NCBI_TaxID=557598;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HLHK9;
RX   PubMed=19283063; DOI=10.1371/journal.pgen.1000416;
RA   Woo P.C.Y., Lau S.K.P., Tse H., Teng J.L.L., Curreem S.O., Tsang A.K.L.,
RA   Fan R.Y.Y., Wong G.K.M., Huang Y., Loman N.J., Snyder L.A.S., Cai J.J.,
RA   Huang J.-D., Mak W., Pallen M.J., Lok S., Yuen K.-Y.;
RT   "The complete genome and proteome of Laribacter hongkongensis reveal
RT   potential mechanisms for adaptations to different temperatures and
RT   habitats.";
RL   PLoS Genet. 5:E1000416-E1000416(2009).
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; CP001154; ACO75405.1; -; Genomic_DNA.
DR   RefSeq; WP_012697891.1; NC_012559.1.
DR   AlphaFoldDB; C1DB66; -.
DR   SMR; C1DB66; -.
DR   STRING; 557598.LHK_02423; -.
DR   EnsemblBacteria; ACO75405; ACO75405; LHK_02423.
DR   KEGG; lhk:LHK_02423; -.
DR   eggNOG; COG0039; Bacteria.
DR   HOGENOM; CLU_040727_2_0_4; -.
DR   OMA; TKGMERG; -.
DR   OrthoDB; 870724at2; -.
DR   Proteomes; UP000002010; 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..329
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_1000185083"
FT   ACT_SITE        190
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         92
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         98
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         105
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         112
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         129..131
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         131
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         165
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
SQ   SEQUENCE   329 AA;  35139 MW;  69C7B085D3B62B95 CRC64;
     MNAPVRVAVT GAAGQIGYSL LFRIASGEML GQNQPVILQL LDLPQAQNAV KGVMMELEDC
     AFPLLAGMVA TDDPNVAFKD ADICLLVGAR PRSKGMERAD LLEANGAIFT VQGKAIAENA
     KEDVKVLVVG NPANTNAYIA RKAAEKVGRT NPANYTAMLR LDHNRALSQL AAKTGKAVAS
     IENMAVWGNH SPTMYADYRF ATVNGESVKS MINDEAWNRD VFLPTVGKRG AAIIEARGLS
     SAASAANAAI DHIRDWVLGT NGKWVTMGIP SDGSYGIPEG VTYGFPVTCK DGKYEIVQGL
     EIDEFSRACM NKTLAELEEE RQGVAHLLG