ID   MDH_NITEU               Reviewed;         327 AA.
AC   Q82WB9;
DT   07-JUN-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 116.
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=NE0773;
OS   Nitrosomonas europaea (strain ATCC 19718 / CIP 103999 / KCTC 2705 / NBRC
OS   14298).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Nitrosomonadales;
OC   Nitrosomonadaceae; Nitrosomonas.
OX   NCBI_TaxID=228410;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19718 / CIP 103999 / KCTC 2705 / NBRC 14298;
RX   PubMed=12700255; DOI=10.1128/jb.185.9.2759-2773.2003;
RA   Chain P., Lamerdin J.E., Larimer F.W., Regala W., Lao V., Land M.L.,
RA   Hauser L., Hooper A.B., Klotz M.G., Norton J., Sayavedra-Soto L.A.,
RA   Arciero D.M., Hommes N.G., Whittaker M.M., Arp D.J.;
RT   "Complete genome sequence of the ammonia-oxidizing bacterium and obligate
RT   chemolithoautotroph Nitrosomonas europaea.";
RL   J. Bacteriol. 185:2759-2773(2003).
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; AL954747; CAD84684.1; -; Genomic_DNA.
DR   RefSeq; WP_011111385.1; NC_004757.1.
DR   AlphaFoldDB; Q82WB9; -.
DR   SMR; Q82WB9; -.
DR   STRING; 228410.NE0773; -.
DR   EnsemblBacteria; CAD84684; CAD84684; NE0773.
DR   KEGG; neu:NE0773; -.
DR   eggNOG; COG0039; Bacteria.
DR   HOGENOM; CLU_040727_2_0_4; -.
DR   OMA; TKGMERG; -.
DR   OrthoDB; 870724at2; -.
DR   PhylomeDB; Q82WB9; -.
DR   Proteomes; UP000001416; 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..327
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_0000113382"
FT   ACT_SITE        187
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         162
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
SQ   SEQUENCE   327 AA;  36000 MW;  3C8D52C94C8F740F CRC64;
     MSSPIRIAVT GAAGQISYSL LFRIAAGDML GSSQPVILQL LDIPESGKVL DGVLMELQDC
     AFPLLTDIIV THDPMIAFDQ ADIAILVGAR PRGKGMERKD LLQTNGEIFR EQGRALNQVV
     KRDAKILVVG NPANTNTLIT MKNAPDLSPE NFSGMLRLDH NRALSQVAMK LNQPVSHIRK
     MIVWGNHSST QFPDLSHAEI DHQKVIDLIK DQTWVENSFI PTVQNRGAVV IEARGLSSAA
     SAANAIIDHM RDWIFGTRDD DWITMGILSD GSYKIPKGVI YGFPVVCKNG GRKIVQGLEI
     SPFSRTRLDI AYDELTQELD SIKHLLL