ID   MDH_SULAC               Reviewed;         306 AA.
AC   P11386; Q4JC16;
DT   01-JUL-1989, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   03-AUG-2022, entry version 128.
DE   RecName: Full=Malate dehydrogenase {ECO:0000250|UniProtKB:O08349};
DE            EC=1.1.1.37 {ECO:0000250|UniProtKB:O08349};
GN   Name=mdh; OrderedLocusNames=Saci_0246;
OS   Sulfolobus acidocaldarius (strain ATCC 33909 / DSM 639 / JCM 8929 / NBRC
OS   15157 / NCIMB 11770).
OC   Archaea; Crenarchaeota; Thermoprotei; Sulfolobales; Sulfolobaceae;
OC   Sulfolobus.
OX   NCBI_TaxID=330779;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33909 / DSM 639 / JCM 8929 / NBRC 15157 / NCIMB 11770;
RX   PubMed=15995215; DOI=10.1128/jb.187.14.4992-4999.2005;
RA   Chen L., Bruegger K., Skovgaard M., Redder P., She Q., Torarinsson E.,
RA   Greve B., Awayez M., Zibat A., Klenk H.-P., Garrett R.A.;
RT   "The genome of Sulfolobus acidocaldarius, a model organism of the
RT   Crenarchaeota.";
RL   J. Bacteriol. 187:4992-4999(2005).
RN   [2]
RP   PROTEIN SEQUENCE OF 2-42.
RC   STRAIN=ATCC 33909 / DSM 639 / JCM 8929 / NBRC 15157 / NCIMB 11770;
RX   PubMed=2497031; DOI=10.1016/0014-5793(89)81348-1;
RA   Gorisch H., Jany K.-D.;
RT   "Archaebacterial malate dehydrogenase: the amino-terminal sequence of the
RT   enzyme from Sulfolobus acidocaldarius is homologous to the eubacterial and
RT   eukaryotic malate dehydrogenases.";
RL   FEBS Lett. 247:259-262(1989).
CC   -!- FUNCTION: Catalyzes the reversible oxidation of malate to oxaloacetate.
CC       {ECO:0000250|UniProtKB:O08349}.
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:0000250|UniProtKB:O08349};
CC   -!- SIMILARITY: Belongs to the LDH/MDH superfamily. {ECO:0000305}.
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DR   EMBL; CP000077; AAY79663.1; -; Genomic_DNA.
DR   PIR; S03958; S03958.
DR   RefSeq; WP_011277164.1; NC_007181.1.
DR   AlphaFoldDB; P11386; -.
DR   SMR; P11386; -.
DR   STRING; 330779.Saci_0246; -.
DR   EnsemblBacteria; AAY79663; AAY79663; Saci_0246.
DR   GeneID; 3474728; -.
DR   KEGG; sai:Saci_0246; -.
DR   PATRIC; fig|330779.12.peg.243; -.
DR   eggNOG; arCOG00246; Archaea.
DR   HOGENOM; CLU_045401_2_1_2; -.
DR   OMA; ASCAEYI; -.
DR   BRENDA; 1.1.1.37; 6160.
DR   Proteomes; UP000001018; Chromosome.
DR   GO; GO:0030060; F:L-malate dehydrogenase activity; IEA:UniProtKB-EC.
DR   GO; GO:0019752; P:carboxylic acid metabolic process; IEA:InterPro.
DR   GO; GO:0006099; P:tricarboxylic acid cycle; IEA:UniProtKB-KW.
DR   Gene3D; 3.90.110.10; -; 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; IPR036291; NAD(P)-bd_dom_sf.
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; SSF51735; SSF51735; 1.
DR   SUPFAM; SSF56327; SSF56327; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; NAD; Oxidoreductase; Reference proteome;
KW   Tricarboxylic acid cycle.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000269|PubMed:2497031"
FT   CHAIN           2..306
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_0000113492"
FT   ACT_SITE        172
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         8..13
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         33
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         82
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         88
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         95
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         118..120
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         120
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         148
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   CONFLICT        11
FT                   /note="R -> RG (in Ref. 2; AA sequence)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        40..42
FT                   /note="EKF -> TKK (in Ref. 2; AA sequence)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   306 AA;  33563 MW;  E74C0CB278B3BA89 CRC64;
     MVKVAFIGVG RVGQTIAYNT IVNGYADEVM LYDVVPELPE KFEHEIRHAL AALRVKTELL
     STNNIDDISG ADIVVITAGK PRKPGMSRRD LFIDNAKIMI DLAKKLPKKN KGAMYIMVAN
     PVDMMASVFM KYSGENTIST GNQVETMRMR SYIAKKLNIP AYEVGGYVGG EHGEAAMVLW
     STVTVKGKPF SESLGVNKAE VEDYVKKIAA EIIRVLGGTT WGPGADIEEV IRSVALNEGK
     VMSVAFPHKY EDEIIHISEP VVVGRTVGPA LTSALDENDK ARLSQAIKEV YNVYKSNLKE
     LEQVIS