ID   MDH_CALMQ               Reviewed;         309 AA.
AC   A8MAC1;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   04-DEC-2007, sequence version 1.
DT   04-NOV-2026, entry version 95.
DE   RecName: Full=Malate dehydrogenase {ECO:0000250|UniProtKB:O08349};
DE            EC=1.1.1.37 {ECO:0000250|UniProtKB:O08349};
GN   Name=mdh; OrderedLocusNames=Cmaq_1675;
OS   Caldivirga maquilingensis (strain ATCC 700844 / DSM 13496 / JCM 10307 /
OS   IC-167).
OC   Archaea; Thermoproteota; Thermoprotei; Thermoproteales; Thermoproteaceae;
OC   Caldivirga.
OX   NCBI_TaxID=397948;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700844 / DSM 13496 / JCM 10307 / IC-167;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Saunders E., Brettin T., Bruce D., Detter J.C.,
RA   Han C., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Ivanova N., Biddle J.F., Zhang Z., Fitz-Gibbon S.T., Lowe T.M.,
RA   Saltikov C., House C.H., Richardson P.;
RT   "Complete sequence of Caldivirga maquilingensis IC-167.";
RL   Submitted (OCT-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the reversible oxidation of malate to oxaloacetate.
CC       {ECO:0000250|UniProtKB:O08349}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-malate + NAD(+) = oxaloacetate + NADH + H(+);
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}.
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DR   EMBL; CP000852; ABW02498.1; -; Genomic_DNA.
DR   RefSeq; WP_012186717.1; NC_009954.1.
DR   AlphaFoldDB; A8MAC1; -.
DR   SMR; A8MAC1; -.
DR   STRING; 397948.Cmaq_1675; -.
DR   GeneID; 5708826; -.
DR   KEGG; cma:Cmaq_1675; -.
DR   eggNOG; arCOG00246; Archaea.
DR   HOGENOM; CLU_045401_2_1_2; -.
DR   OMA; AADYYCD; -.
DR   OrthoDB; 2596at2157; -.
DR   Proteomes; UP000001137; Chromosome.
DR   GO; GO:0004459; F:L-lactate dehydrogenase (NAD+) activity; IEA:TreeGrafter.
DR   GO; GO:0030060; F:L-malate dehydrogenase (NAD+) activity; ISS:UniProtKB.
DR   GO; GO:0006089; P:lactate metabolic process; IEA:TreeGrafter.
DR   CDD; cd01339; LDH-like_MDH; 1.
DR   FunFam; 3.40.50.720:FF:000018; Malate dehydrogenase; 1.
DR   Gene3D; 3.90.110.10; Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal; 1.
DR   Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 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   NCBIfam; NF004863; PRK06223.1; 1.
DR   PANTHER; PTHR43128; L-2-HYDROXYCARBOXYLATE DEHYDROGENASE (NAD(P)(+)); 1.
DR   PANTHER; PTHR43128:SF16; L-LACTATE DEHYDROGENASE; 1.
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; SSF56327; LDH C-terminal domain-like; 1.
DR   SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
PE   3: Inferred from homology;
KW   NAD; Oxidoreductase; Reference proteome; Tricarboxylic acid cycle.
FT   CHAIN           1..309
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_1000081356"
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   309 AA;  33909 MW;  166AF0CBC3C9A66D CRC64;
     MITIVGSGRV GATTAAFLMF YELDNEVTLI DVIKGLPQGE ALDLNHAAAI LGKSVRYKGS
     NDYKDMEGSD IVIVTAGLAR KPGMTREELA GKNAEIISSI ADQIKKYAPN SIVIITTNPL
     DAMVYVLYKR LGFPRNRVIG FSGVLDSNRM AYYASQIIGI APESIIPVVL GQHGENMYPV
     PEASFVYGKP LTEFLTQEQY NDIVKKTIQA GADITNLRGF SSNWGPAAGL ALMVDSIKKN
     RRRVFEASVY LDGEYGVKDV FAEVPVVLGK NGVEKIIELN LTPEQRQKFM QSIEAVKKNL
     TQVPPQYLK
//