ID   MDH_NITMS               Reviewed;         304 AA.
AC   A9A450;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   15-JAN-2008, sequence version 1.
DT   03-AUG-2022, entry version 75.
DE   RecName: Full=Malate dehydrogenase {ECO:0000250|UniProtKB:O08349};
DE            EC=1.1.1.37 {ECO:0000250|UniProtKB:O08349};
GN   Name=mdh; OrderedLocusNames=Nmar_0338;
OS   Nitrosopumilus maritimus (strain SCM1).
OC   Archaea; Thaumarchaeota; Nitrosopumilales; Nitrosopumilaceae;
OC   Nitrosopumilus.
OX   NCBI_TaxID=436308;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SCM1;
RX   PubMed=20421470; DOI=10.1073/pnas.0913533107;
RA   Walker C.B., de la Torre J.R., Klotz M.G., Urakawa H., Pinel N., Arp D.J.,
RA   Brochier-Armanet C., Chain P.S., Chan P.P., Gollabgir A., Hemp J.,
RA   Hugler M., Karr E.A., Konneke M., Shin M., Lawton T.J., Lowe T.,
RA   Martens-Habbena W., Sayavedra-Soto L.A., Lang D., Sievert S.M.,
RA   Rosenzweig A.C., Manning G., Stahl D.A.;
RT   "Nitrosopumilus maritimus genome reveals unique mechanisms for
RT   nitrification and autotrophy in globally distributed marine crenarchaea.";
RL   Proc. Natl. Acad. Sci. U.S.A. 107:8818-8823(2010).
CC   -!- FUNCTION: Catalyzes the reversible oxidation of malate to oxaloacetate.
CC       {ECO:0000250|UniProtKB:O08349}.
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:0000250|UniProtKB:O08349};
CC   -!- SIMILARITY: Belongs to the LDH/MDH superfamily. {ECO:0000305}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP000866; ABX12234.1; -; Genomic_DNA.
DR   AlphaFoldDB; A9A450; -.
DR   SMR; A9A450; -.
DR   STRING; 436308.Nmar_0338; -.
DR   EnsemblBacteria; ABX12234; ABX12234; Nmar_0338.
DR   KEGG; nmr:Nmar_0338; -.
DR   eggNOG; arCOG00246; Archaea.
DR   HOGENOM; CLU_045401_2_1_2; -.
DR   OMA; ASCAEYI; -.
DR   PhylomeDB; A9A450; -.
DR   Proteomes; UP000000792; Chromosome.
DR   GO; GO:0030060; F:L-malate dehydrogenase activity; IEA:UniProtKB-EC.
DR   GO; GO:0019752; P:carboxylic acid metabolic process; IEA:InterPro.
DR   GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-KW.
DR   CDD; cd01339; LDH-like_MDH; 1.
DR   Gene3D; 3.90.110.10; -; 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; IPR011275; Malate_DH_type3.
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   PRINTS; PR00086; LLDHDRGNASE.
DR   SUPFAM; SSF51735; SSF51735; 1.
DR   SUPFAM; SSF56327; SSF56327; 1.
PE   3: Inferred from homology;
KW   NAD; Oxidoreductase; Reference proteome; Tricarboxylic acid cycle.
FT   CHAIN           1..304
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_1000126142"
FT   ACT_SITE        173
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         6..11
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         31
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         80
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         86
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         93
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         116..118
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         118
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         149
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
SQ   SEQUENCE   304 AA;  32783 MW;  CCD4FA954CD3A944 CRC64;
     MITIIGSGKV GGDAALFSAL KRLDDQILLL DVAEGLPQGE AMDINHMLSE QGIDVEVKGS
     NNFEDMKGSN IVVVVAGSGR KPGMTRMDLL KINASIVKSV VENVKKYADD SMIIPVTNPL
     DPMAYITYKV SGFDRSRVFG MGGMLDLSRF RQFIHEATGH SRDSIRALVI GEHGENMLPL
     PRFSSVSGIP LPSLLPKEKL EELVQNTKQV AAKVIELKGA TVHAPGNAIS AIVEAVVRDR
     KQVIPVATYL DGEYDHSDVT IGVPAVIGKN GVEKIIELDL NDEEKQVFNK AVENVKGALS
     GVEI