ID   MDH_PSYCK               Reviewed;         329 AA.
AC   Q1Q932;
DT   10-JUL-2007, integrated into UniProtKB/Swiss-Prot.
DT   16-MAY-2006, sequence version 1.
DT   03-AUG-2022, entry version 93.
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=Pcryo_2044;
OS   Psychrobacter cryohalolentis (strain ATCC BAA-1226 / DSM 17306 / VKM B-2378
OS   / K5).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC   Psychrobacter.
OX   NCBI_TaxID=335284;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1226 / DSM 17306 / VKM B-2378 / K5;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Dalin E., Tice H., Pitluck S., Brettin T., Bruce D.,
RA   Han C., Tapia R., Sims D.R., Gilna P., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Kim E., Richardson P.;
RT   "Complete sequence of chromosome of Psychrobacter cryohalolentis K5.";
RL   Submitted (MAR-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000323; ABE75821.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q1Q932; -.
DR   SMR; Q1Q932; -.
DR   STRING; 335284.Pcryo_2044; -.
DR   KEGG; pcr:Pcryo_2044; -.
DR   eggNOG; COG0039; Bacteria.
DR   HOGENOM; CLU_040727_2_0_6; -.
DR   OMA; TKGMERG; -.
DR   Proteomes; UP000002425; 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; IPR001252; Malate_DH_AS.
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.
DR   PROSITE; PS00068; MDH; 1.
PE   3: Inferred from homology;
KW   NAD; Oxidoreductase; Tricarboxylic acid cycle.
FT   CHAIN           1..329
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_0000294400"
FT   ACT_SITE        189
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         13..19
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         94
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         100
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         107
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         114
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         131..133
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         133
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
FT   BINDING         164
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01517"
SQ   SEQUENCE   329 AA;  35157 MW;  06E816CE12BD6776 CRC64;
     MSMKQPVRVA VTGAAGNISY AMLFRIASGE MLGKDQPVIL QLLEIAPALD ALKGVVMELE
     DCAFPLLAGV VQTDDATVAF KDVDYALLVG SRPRGPGMER KDLLEANAAI FSAQGKALND
     VASRDVKVLV VGNPANTNAV IAQRNAPDLD PRNFTAMTRL DHNRAMAQLA GKTDSTVNDV
     KKMIIWGNHS STQYPDLTAS TVNGKPALDL VDRAWYEGTY IPEVQQRGAA IIKARGASSA
     ASAANAAIAH VRTWVMGTDE NDWVSMGVYS NGEYGIAKGL IYSFPVTCAN GDWSIVDGVD
     VSSDFSKEKM AATEQELSEE RDAVAHLLP