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MDH_PYRIL
ID   MDH_PYRIL               Reviewed;         309 AA.
AC   A1RS58;
DT   13-APR-2016, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 87.
DE   RecName: Full=Malate dehydrogenase {ECO:0000303|PubMed:17487443};
DE            EC=1.1.1.37 {ECO:0000269|PubMed:17487443};
GN   Name=mdh {ECO:0000303|PubMed:17487443};
GN   OrderedLocusNames=Pisl_0612 {ECO:0000312|EMBL:ABL87790.1};
OS   Pyrobaculum islandicum (strain DSM 4184 / JCM 9189 / GEO3).
OC   Archaea; Crenarchaeota; Thermoprotei; Thermoproteales; Thermoproteaceae;
OC   Pyrobaculum.
OX   NCBI_TaxID=384616;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 4184 / JCM 9189 / GEO3;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Dalin E., Tice H., Pitluck S., Meincke L., Brettin T.,
RA   Bruce D., Han C., Tapia R., Gilna P., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Mikhailova N., Lowe T., Richardson P.;
RT   "Complete sequence of Pyrobaculum islandicum DSM 4184.";
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
RN   [2]
RP   FUNCTION, CATALYTIC ACTIVITY, BIOPHYSICOCHEMICAL PROPERTIES, AND SUBUNIT.
RC   STRAIN=DSM 4184 / JCM 9189 / GEO3;
RX   PubMed=17487443; DOI=10.1007/s00792-007-0081-2;
RA   Yennaco L.J., Hu Y., Holden J.F.;
RT   "Characterization of malate dehydrogenase from the hyperthermophilic
RT   archaeon Pyrobaculum islandicum.";
RL   Extremophiles 11:741-746(2007).
CC   -!- FUNCTION: Catalyzes the reversible oxidation of malate to oxaloacetate.
CC       Exhibits higher specific activity for oxaloacetate reduction than for
CC       malate oxidation in vitro. Has a strong preference for NAD. Can use
CC       NADPH for oxaloacetate reduction, but activity decreases more than 90%.
CC       No activity detected with NADP(+) and malate.
CC       {ECO:0000269|PubMed:17487443}.
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:0000269|PubMed:17487443};
CC   -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC       Kinetic parameters:
CC         KM=0.015 mM for oxaloacetate {ECO:0000269|PubMed:17487443};
CC         KM=0.086 mM for NADH {ECO:0000269|PubMed:17487443};
CC         KM=0.5 mM for malate {ECO:0000269|PubMed:17487443};
CC         KM=0.028 mM for NAD(+) {ECO:0000269|PubMed:17487443};
CC       pH dependence:
CC         Optimum pH is 10.0. {ECO:0000269|PubMed:17487443};
CC       Temperature dependence:
CC         Optimum temperature is above 92 degrees Celsius.
CC         {ECO:0000269|PubMed:17487443};
CC   -!- SUBUNIT: Homotetramer. {ECO:0000269|PubMed:17487443}.
CC   -!- SIMILARITY: Belongs to the LDH/MDH superfamily. {ECO:0000305}.
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DR   EMBL; CP000504; ABL87790.1; -; Genomic_DNA.
DR   RefSeq; WP_011762366.1; NC_008701.1.
DR   AlphaFoldDB; A1RS58; -.
DR   SMR; A1RS58; -.
DR   STRING; 384616.Pisl_0612; -.
DR   EnsemblBacteria; ABL87790; ABL87790; Pisl_0612.
DR   GeneID; 4617605; -.
DR   KEGG; pis:Pisl_0612; -.
DR   eggNOG; arCOG00246; Archaea.
DR   HOGENOM; CLU_045401_2_1_2; -.
DR   OMA; ASCAEYI; -.
DR   OrthoDB; 69007at2157; -.
DR   Proteomes; UP000002595; 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   CDD; cd01339; LDH-like_MDH; 1.
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; IPR011275; Malate_DH_type3.
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   NAD; Oxidoreductase; Tricarboxylic acid cycle.
FT   CHAIN           1..309
FT                   /note="Malate dehydrogenase"
FT                   /id="PRO_0000436036"
FT   ACT_SITE        173
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         6..11
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         31
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         80
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         86
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         93
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         116..118
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000250|UniProtKB:O08349"
FT   BINDING         118
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
FT   BINDING         149
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250|UniProtKB:P61889"
SQ   SEQUENCE   309 AA;  33532 MW;  D2B35CCC1CF0E671 CRC64;
     MITIIGSGRV GTAAAVIMGL LKIDTKILLI DIIKGLPQGE ALDMNHMSSI LGLDVEYFGS
     NEYKDMEGSD LVIVTAGLPR KPGMTREQLL EANAKIVSEI GKEIKRYAPN SVVILTTNPL
     DAMTYVMWKS TGFPRERVIG FSGVLDAGRL AYYAAKKLGV SPASILPIVL GQHGESMFPV
     PSKSFIHGVP LSRLLTEEQL KEVVEETVKA GARITELRGF SSNWGPGAGL ALMAEAVKRD
     TKRSLIASVV LQGEYDVRDV PVEVPVILGR SGVLKVLEIE LSAEERQKFM QSVEAIRKLI
     ASIPSNYLQ
 
 
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