ID   MDH_HISS1               Reviewed;         311 AA.
AC   Q0I491;
DT   10-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   03-OCT-2006, sequence version 1.
DT   27-MAR-2024, entry version 105.
DE   RecName: Full=Malate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_01516};
DE            EC=1.1.1.37 {ECO:0000255|HAMAP-Rule:MF_01516};
GN   Name=mdh {ECO:0000255|HAMAP-Rule:MF_01516}; OrderedLocusNames=HS_1055;
OS   Histophilus somni (strain 129Pt) (Haemophilus somnus).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Histophilus.
OX   NCBI_TaxID=205914;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=129Pt;
RX   PubMed=17172329; DOI=10.1128/jb.01422-06;
RA   Challacombe J.F., Duncan A.J., Brettin T.S., Bruce D., Chertkov O.,
RA   Detter J.C., Han C.S., Misra M., Richardson P., Tapia R., Thayer N.,
RA   Xie G., Inzana T.J.;
RT   "Complete genome sequence of Haemophilus somnus (Histophilus somni) strain
RT   129Pt and comparison to Haemophilus ducreyi 35000HP and Haemophilus
RT   influenzae Rd.";
RL   J. Bacteriol. 189:1890-1898(2007).
CC   -!- FUNCTION: Catalyzes the reversible oxidation of malate to oxaloacetate.
CC       {ECO:0000255|HAMAP-Rule:MF_01516}.
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_01516};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01516}.
CC   -!- SIMILARITY: Belongs to the LDH/MDH superfamily. MDH type 1 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01516}.
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DR   EMBL; CP000436; ABI25330.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q0I491; -.
DR   SMR; Q0I491; -.
DR   KEGG; hso:HS_1055; -.
DR   eggNOG; COG0039; Bacteria.
DR   HOGENOM; CLU_047181_1_0_6; -.
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   CDD; cd01337; MDH_glyoxysomal_mitochondrial; 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_01516; Malate_dehydrog_1; 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; IPR001252; Malate_DH_AS.
DR   InterPro; IPR010097; Malate_DH_type1.
DR   InterPro; IPR023958; Malate_DH_type1_bac.
DR   InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR   NCBIfam; TIGR01772; MDH_euk_gproteo; 1.
DR   PANTHER; PTHR11540; MALATE AND LACTATE DEHYDROGENASE; 1.
DR   PANTHER; PTHR11540:SF16; MALATE DEHYDROGENASE, MITOCHONDRIAL; 1.
DR   Pfam; PF02866; Ldh_1_C; 1.
DR   Pfam; PF00056; Ldh_1_N; 1.
DR   PIRSF; PIRSF000102; Lac_mal_DH; 1.
DR   SUPFAM; SSF56327; LDH C-terminal domain-like; 1.
DR   SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
DR   PROSITE; PS00068; MDH; 1.
PE   3: Inferred from homology;
KW   NAD; Oxidoreductase; Tricarboxylic acid cycle.
FT   CHAIN           1..311
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_0000294296"
FT   ACT_SITE        177
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         7..13
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         34
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         81
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         87
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         94
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         117..119
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         119
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         153
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
FT   BINDING         227
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01516"
SQ   SEQUENCE   311 AA;  32543 MW;  A415E60EB754527D CRC64;
     MKIAVLGAAG GIGQALALLL KLQLPAGSEL SLYDIAPVTP GVAADVSHIP TAVKIQGFAG
     EDPTPALENA DVVLISAGVA RKPGMDRSDL FNINAGIVKN LIEKVAKTCP KACVGIITNP
     VNTTVAIAAE VLKKAGVYDK RKLFGVTTLD VLRSETFVAE LKGLNVSRIA VPVIGGHSGV
     TILPLLSQVQ YAEWEEDEIA PLTKRIQNAG TEVVEAKAGG GSATLSMAQA AARFALSLVQ
     GLSGETVVEC TYVEGDGKYA RFFAQPVRLG KEGVEEILPV GTLSAFEQKA LEDMLPTLRA
     DIELGEKFVN N
//