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Database: UniProt
Entry: MDH_HELMI
LinkDB: MDH_HELMI
Original site: MDH_HELMI 
ID   MDH_HELMI               Reviewed;         309 AA.
AC   B0TCL9;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   24-JAN-2024, entry version 89.
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}; OrderedLocusNames=Helmi_14200;
GN   ORFNames=HM1_1472;
OS   Heliobacterium modesticaldum (strain ATCC 51547 / Ice1).
OC   Bacteria; Bacillota; Clostridia; Eubacteriales; Heliobacteriaceae;
OC   Heliomicrobium.
OX   NCBI_TaxID=498761;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51547 / Ice1;
RX   PubMed=18441057; DOI=10.1128/jb.00299-08;
RA   Sattley W.M., Madigan M.T., Swingley W.D., Cheung P.C., Clocksin K.M.,
RA   Conrad A.L., Dejesa L.C., Honchak B.M., Jung D.O., Karbach L.E.,
RA   Kurdoglu A., Lahiri S., Mastrian S.D., Page L.E., Taylor H.L., Wang Z.T.,
RA   Raymond J., Chen M., Blankenship R.E., Touchman J.W.;
RT   "The genome of Heliobacterium modesticaldum, a phototrophic representative
RT   of the Firmicutes containing the simplest photosynthetic apparatus.";
RL   J. Bacteriol. 190:4687-4696(2008).
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; CP000930; ABZ84045.1; -; Genomic_DNA.
DR   RefSeq; WP_012282560.1; NC_010337.2.
DR   AlphaFoldDB; B0TCL9; -.
DR   SMR; B0TCL9; -.
DR   STRING; 498761.HM1_1472; -.
DR   KEGG; hmo:HM1_1472; -.
DR   eggNOG; COG0039; Bacteria.
DR   HOGENOM; CLU_045401_2_1_9; -.
DR   OMA; CYIIVLT; -.
DR   OrthoDB; 9802969at2; -.
DR   Proteomes; UP000008550; 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: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_1000126136"
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   309 AA;  32840 MW;  CA96ED6678B8DC58 CRC64;
     MARKKISIIG AGNVGATAAH WAASKELGDI VLLDIMEGIP QGKGLDLMEA SPVEGFDCHI
     IGTNSYADTA NSDVVVITAG IARKPGMSRD DLITTNTKIV ADCAKKAAEQ SPDSIIIIVS
     NPLDAMTYVA QKASGFPTNR VFGMSGILDA ARFKTFIAME MGCSVKDVST ILLGGHGDDM
     VPLPSYTFIG GIPIRQLLPE EKIQAMVDRA RKGGAEIVAY LKTGSAYYAP SASVIQMVEA
     ILKDQKRILP VAAYLNGEYG YEGIYTSVPV MLGANGVEKV FEIELTAEER QLFAKSVDSV
     KNLIAVTGM
//
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