ID   MDH_HALS3               Reviewed;         304 AA.
AC   B0R7Q0;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 82.
DE   RecName: Full=Malate dehydrogenase {ECO:0000250|UniProtKB:O08349};
DE            EC=1.1.1.37 {ECO:0000250|UniProtKB:O08349};
GN   Name=mdh; OrderedLocusNames=OE_4323F;
OS   Halobacterium salinarum (strain ATCC 29341 / DSM 671 / R1).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Halobacteriales;
OC   Halobacteriaceae; Halobacterium.
OX   NCBI_TaxID=478009;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29341 / DSM 671 / R1;
RX   PubMed=18313895; DOI=10.1016/j.ygeno.2008.01.001;
RA   Pfeiffer F., Schuster S.C., Broicher A., Falb M., Palm P., Rodewald K.,
RA   Ruepp A., Soppa J., Tittor J., Oesterhelt D.;
RT   "Evolution in the laboratory: the genome of Halobacterium salinarum strain
RT   R1 compared to that of strain NRC-1.";
RL   Genomics 91:335-346(2008).
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}.
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DR   EMBL; AM774415; CAP14769.1; -; Genomic_DNA.
DR   RefSeq; WP_010903765.1; NC_010364.1.
DR   AlphaFoldDB; B0R7Q0; -.
DR   SMR; B0R7Q0; -.
DR   EnsemblBacteria; CAP14769; CAP14769; OE_4323F.
DR   GeneID; 5953357; -.
DR   KEGG; hsl:OE_4323F; -.
DR   HOGENOM; CLU_045401_1_1_2; -.
DR   OMA; CYIIVLT; -.
DR   PhylomeDB; B0R7Q0; -.
DR   Proteomes; UP000001321; 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   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; 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; Tricarboxylic acid cycle.
FT   CHAIN           1..304
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_1000126135"
FT   ACT_SITE        176
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         8..14
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         34
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         83
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         89
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         96
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         119..121
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         121
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         152
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
SQ   SEQUENCE   304 AA;  32252 MW;  C357C0A9520CC649 CRC64;
     MTKVSIVGAA GTVGAAAGYN LALRDVVDEL VFVDIPDKEE ETIGQAADAN HGVAYDANTD
     VVQGDYADTA GSDVVVITAG IPRQPGQSRT DLAGDNAPIM EDIGSSLAEH NDDFVTVTTS
     NPVDLLNRHL YESGDRDRHS VVGFGGRLDS ARFRYVLGQR FDVPVQNVDA TILGEHGDAQ
     VPVFSKVRVN GTDPAFSADE REEILADLQE SAMNVIEKKG ATQWGPATGV AHMVEAILND
     TGEVLPGSMV LDGEYGLDDV GLGVPVKLGS DGVEEVVEWE LTADERDLLD EAAEKLSAQY
     DEIA