ID   MDH_RHILW               Reviewed;         320 AA.
AC   B5ZSS0;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 1.
DT   04-NOV-2026, entry version 108.
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};
GN   OrderedLocusNames=Rleg2_3685;
OS   Rhizobium leguminosarum bv. trifolii (strain WSM2304).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Alphaproteobacteria;
OC   Hyphomicrobiales; Rhizobiaceae; Rhizobium/Agrobacterium group; Rhizobium.
OX   NCBI_TaxID=395492;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=WSM2304;
RX   PubMed=21304679; DOI=10.4056/sigs.44642;
RA   Reeve W., O'Hara G., Chain P., Ardley J., Brau L., Nandesena K., Tiwari R.,
RA   Malfatti S., Kiss H., Lapidus A., Copeland A., Nolan M., Land M.,
RA   Ivanova N., Mavromatis K., Markowitz V., Kyrpides N., Melino V., Denton M.,
RA   Yates R., Howieson J.;
RT   "Complete genome sequence of Rhizobium leguminosarum bv trifolii strain
RT   WSM2304, an effective microsymbiont of the South American clover Trifolium
RT   polymorphum.";
RL   Stand. Genomic Sci. 2:66-76(2010).
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(+) = 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: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; CP001191; ACI56948.1; -; Genomic_DNA.
DR   RefSeq; WP_003543522.1; NC_011369.1.
DR   AlphaFoldDB; B5ZSS0; -.
DR   SMR; B5ZSS0; -.
DR   STRING; 395492.Rleg2_3685; -.
DR   GeneID; 303216539; -.
DR   GeneID; 84672083; -.
DR   KEGG; rlt:Rleg2_3685; -.
DR   eggNOG; COG0039; Bacteria.
DR   HOGENOM; CLU_045401_2_1_5; -.
DR   OMA; AAGEWMS; -.
DR   Proteomes; UP000008330; Chromosome.
DR   GO; GO:0004459; F:L-lactate dehydrogenase (NAD+) activity; IEA:TreeGrafter.
DR   GO; GO:0030060; F:L-malate dehydrogenase (NAD+) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006089; P:lactate metabolic process; IEA:TreeGrafter.
DR   GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-UniRule.
DR   CDD; cd01339; LDH-like_MDH; 1.
DR   FunFam; 3.40.50.720:FF:000018; Malate dehydrogenase; 1.
DR   FunFam; 3.90.110.10:FF:000004; 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   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   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..320
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_1000126147"
FT   ACT_SITE        176
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         10..15
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         34
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         83
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         89
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         96
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         119..121
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         121
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
FT   BINDING         152
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00487"
SQ   SEQUENCE   320 AA;  33590 MW;  2094407A42C2B1C8 CRC64;
     MARNKIALIG SGMIGGTLAH LAGLKELGDI VLFDIADGIP QGKGLDISQS SPVEGFDVNL
     TGASDYSAIE GADVCIVTAG VARKPGMSRD DLLGINLKVM EQVGAGIKKY APNAFVICIT
     NPLDAMVWAL QKFSGLPANK VVGMAGVLDS SRFRLFLAKE FNVSVQDVTA FVLGGHGDTM
     VPLARYSTVG GIPLTDLVTM GWVTKERLEE IIQRTRDGGA EIVGLLKTGS AYYAPAASAI
     EMAESYLKDK KRVLPCAAHL SGQYGVKDMY VGVPTVIGAG GVERIIEIDL NKTEKEAFDK
     SVGAVAGLCE ACINIAPALK
//