ID   MDH_AZOSB               Reviewed;         330 AA.
AC   A1K5Q9;
DT   10-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 88.
DE   RecName: Full=Malate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_01517};
DE            EC=1.1.1.37 {ECO:0000255|HAMAP-Rule:MF_01517};
GN   Name=mdh {ECO:0000255|HAMAP-Rule:MF_01517}; OrderedLocusNames=azo1547;
OS   Azoarcus sp. (strain BH72).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales; Zoogloeaceae;
OC   Azoarcus.
OX   NCBI_TaxID=418699;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BH72;
RX   PubMed=17057704; DOI=10.1038/nbt1243;
RA   Krause A., Ramakumar A., Bartels D., Battistoni F., Bekel T., Boch J.,
RA   Boehm M., Friedrich F., Hurek T., Krause L., Linke B., McHardy A.C.,
RA   Sarkar A., Schneiker S., Syed A.A., Thauer R., Vorhoelter F.-J.,
RA   Weidner S., Puehler A., Reinhold-Hurek B., Kaiser O., Goesmann A.;
RT   "Complete genome of the mutualistic, N2-fixing grass endophyte Azoarcus sp.
RT   strain BH72.";
RL   Nat. Biotechnol. 24:1385-1391(2006).
CC   -!- FUNCTION: Catalyzes the reversible oxidation of malate to oxaloacetate.
CC       {ECO:0000255|HAMAP-Rule:MF_01517}.
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_01517};
CC   -!- SIMILARITY: Belongs to the LDH/MDH superfamily. MDH type 2 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01517}.
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DR   EMBL; AM406670; CAL94164.1; -; Genomic_DNA.
DR   RefSeq; WP_011765280.1; NC_008702.1.
DR   AlphaFoldDB; A1K5Q9; -.
DR   SMR; A1K5Q9; -.
DR   STRING; 62928.azo1547; -.
DR   PRIDE; A1K5Q9; -.
DR   EnsemblBacteria; CAL94164; CAL94164; azo1547.
DR   KEGG; aoa:dqs_1670; -.
DR   KEGG; azo:azo1547; -.
DR   eggNOG; COG0039; Bacteria.
DR   HOGENOM; CLU_040727_2_0_4; -.
DR   OMA; TKGMERG; -.
DR   OrthoDB; 870724at2; -.
DR   Proteomes; UP000002588; Chromosome.
DR   GO; GO:0030060; F:L-malate dehydrogenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006108; P:malate metabolic process; IEA:InterPro.
DR   GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.90.110.10; -; 1.
DR   HAMAP; MF_01517; Malate_dehydrog_2; 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; IPR010945; Malate_DH_type2.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   PANTHER; PTHR23382; PTHR23382; 1.
DR   Pfam; PF02866; Ldh_1_C; 1.
DR   Pfam; PF00056; Ldh_1_N; 1.
DR   PIRSF; PIRSF000102; Lac_mal_DH; 1.
DR   SUPFAM; SSF51735; SSF51735; 1.
DR   SUPFAM; SSF56327; SSF56327; 1.
DR   TIGRFAMs; TIGR01759; MalateDH-SF1; 1.
PE   3: Inferred from homology;
KW   NAD; Oxidoreductase; Reference proteome; Tricarboxylic acid cycle.
FT   CHAIN           1..330
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_0000294374"
FT   ACT_SITE        191
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         12..18
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         93
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         99
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         106
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         113
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         130..132
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         132
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         166
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
SQ   SEQUENCE   330 AA;  35527 MW;  DEC4AA51D738E299 CRC64;
     MSKAPVRVAV TGAAGQIGYS LLFRIASGEM LGKDQPVILQ LLDLPQAQKA VKGVMMELED
     CAFPLLAGMI ATDDPNVAFK DAKVALLVGA RPRGPGMERK DLLTENAKIF TVQGAAIGQY
     ADPDCKVLVV GNPCNTNAYI AKEVAQKYGR VPAKNFTGML RLDHNRALSQ LAGKSGREVS
     SLKNLVVWGN HSPTMYADYR FVKSNGDSVK DLINDAAWNK DVFLPTVGKR GAAIIEARGL
     SSAASAANAA IDHIRDWVLG SNGEWVTMGI PSDGSYGIPE GVIYGFPVTT ENGEYKIVQG
     LEIDEFSRER MTVTLNELLE EREGVKDLLA