ID   MDH_OCEIH               Reviewed;         312 AA.
AC   Q8EPE2;
DT   16-AUG-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   27-MAR-2024, entry version 129.
DE   RecName: Full=Malate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_00487};
DE            EC=1.1.1.37 {ECO:0000255|HAMAP-Rule:MF_00487};
GN   Name=mdh {ECO:0000255|HAMAP-Rule:MF_00487}; Synonyms=citH;
GN   OrderedLocusNames=OB2166;
OS   Oceanobacillus iheyensis (strain DSM 14371 / CIP 107618 / JCM 11309 /
OS   KCTC 3954 / HTE831).
OC   Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Oceanobacillus.
OX   NCBI_TaxID=221109;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 14371 / CIP 107618 / JCM 11309 / KCTC 3954 / HTE831;
RX   PubMed=12235376; DOI=10.1093/nar/gkf526;
RA   Takami H., Takaki Y., Uchiyama I.;
RT   "Genome sequence of Oceanobacillus iheyensis isolated from the Iheya Ridge
RT   and its unexpected adaptive capabilities to extreme environments.";
RL   Nucleic Acids Res. 30:3927-3935(2002).
CC   -!- FUNCTION: Catalyzes the reversible oxidation of malate to oxaloacetate.
CC       {ECO:0000255|HAMAP-Rule:MF_00487}.
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_00487};
CC   -!- SIMILARITY: Belongs to the LDH/MDH superfamily. MDH type 3 family.
CC       {ECO:0000255|HAMAP-Rule:MF_00487}.
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DR   EMBL; BA000028; BAC14122.1; -; Genomic_DNA.
DR   RefSeq; WP_011066560.1; NC_004193.1.
DR   AlphaFoldDB; Q8EPE2; -.
DR   SMR; Q8EPE2; -.
DR   STRING; 221109.gene:10734414; -.
DR   KEGG; oih:OB2166; -.
DR   eggNOG; COG0039; Bacteria.
DR   HOGENOM; CLU_045401_2_1_9; -.
DR   OrthoDB; 9802969at2; -.
DR   PhylomeDB; Q8EPE2; -.
DR   Proteomes; UP000000822; Chromosome.
DR   GO; GO:0030060; F:L-malate dehydrogenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0019752; P:carboxylic acid metabolic process; IEA:InterPro.
DR   GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-UniRule.
DR   CDD; cd01339; LDH-like_MDH; 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   HAMAP; MF_00487; Malate_dehydrog_3; 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; TIGR01763; MalateDH_bact; 1.
DR   PANTHER; PTHR43128; L-2-HYDROXYCARBOXYLATE DEHYDROGENASE (NAD(P)(+)); 1.
DR   PANTHER; PTHR43128:SF34; 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; Phosphoprotein; Reference proteome;
KW   Tricarboxylic acid cycle.
FT   CHAIN           1..312
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_0000113459"
FT   ACT_SITE        180
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         12..17
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         36
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         87
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         93
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         100
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         123..125
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         125
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         156
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   MOD_RES         149
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
SQ   SEQUENCE   312 AA;  33495 MW;  1BB95506917C20FF CRC64;
     MGLKRKKISV IGSGFTGATT ALMVAQKELG DVVLVDIPDM EDPTKGKALD MAEAAPVQGF
     DAKITGTSNY ADTEGSDLVI ITAGIARKPG MSRDDLVNTN ANIMKSVTKE IVHYSPNTTI
     VVLTNPVDAM TYTVFKESGL PKERVIGQSG ILDTARFRTF VAEELNLSVK DVTGFVLGGH
     GDDMVPLIRY SYAGGIPLEK LIPQERLDAI VQRTRTGGGE IVNLLGNGSA YYAPAASLTV
     MAEAILKDQR RVLPTIAYLE GEYGYQDIYL GVPTILGGEG IEEIIELDLT KEEKAQLDKS
     ADSVKNVLNV LQ
//