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Database: UniProt
Entry: A7I7B6_METB6
LinkDB: A7I7B6_METB6
Original site: A7I7B6_METB6 
ID   A7I7B6_METB6            Unreviewed;       288 AA.
AC   A7I7B6;
DT   11-SEP-2007, integrated into UniProtKB/TrEMBL.
DT   11-SEP-2007, sequence version 1.
DT   24-JAN-2024, entry version 91.
DE   RecName: Full=malate dehydrogenase {ECO:0000256|ARBA:ARBA00012995};
DE            EC=1.1.1.37 {ECO:0000256|ARBA:ARBA00012995};
GN   OrderedLocusNames=Mboo_1109 {ECO:0000313|EMBL:ABS55627.1};
OS   Methanoregula boonei (strain DSM 21154 / JCM 14090 / 6A8).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanomicrobiales; Methanoregulaceae; Methanoregula.
OX   NCBI_TaxID=456442 {ECO:0000313|EMBL:ABS55627.1, ECO:0000313|Proteomes:UP000002408};
RN   [1] {ECO:0000313|Proteomes:UP000002408}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 21154 / JCM 14090 / 6A8
RC   {ECO:0000313|Proteomes:UP000002408};
RX   PubMed=25998264; DOI=10.1099/mic.0.000117;
RA   Braeuer S., Cadillo-Quiroz H., Kyrpides N., Woyke T., Goodwin L.,
RA   Detter C., Podell S., Yavitt J.B., Zinder S.H.;
RT   "Genome of Methanoregula boonei 6A8 reveals adaptations to oligotrophic
RT   peatland environments.";
RL   Microbiology 161:1572-1581(2015).
CC   -!- FUNCTION: Catalyzes the reversible oxidation of malate to oxaloacetate.
CC       {ECO:0000256|ARBA:ARBA00003966}.
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:0000256|ARBA:ARBA00000774};
CC   -!- SIMILARITY: Belongs to the LDH/MDH superfamily.
CC       {ECO:0000256|ARBA:ARBA00008104, ECO:0000256|RuleBase:RU003369}.
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DR   EMBL; CP000780; ABS55627.1; -; Genomic_DNA.
DR   RefSeq; WP_012106654.1; NC_009712.1.
DR   AlphaFoldDB; A7I7B6; -.
DR   STRING; 456442.Mboo_1109; -.
DR   GeneID; 5411269; -.
DR   KEGG; mbn:Mboo_1109; -.
DR   eggNOG; arCOG00246; Archaea.
DR   HOGENOM; CLU_045401_2_1_2; -.
DR   OMA; CYIIVLT; -.
DR   OrthoDB; 2596at2157; -.
DR   Proteomes; UP000002408; Chromosome.
DR   GO; GO:0016616; F:oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor; IEA:InterPro.
DR   GO; GO:0019752; P:carboxylic acid metabolic process; IEA:InterPro.
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   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   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 {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|PIRSR:PIRSR000102-3};
KW   Oxidoreductase {ECO:0000256|RuleBase:RU003369};
KW   Reference proteome {ECO:0000313|Proteomes:UP000002408}.
FT   DOMAIN          3..135
FT                   /note="Lactate/malate dehydrogenase N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF00056"
FT   DOMAIN          157..277
FT                   /note="Lactate/malate dehydrogenase C-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02866"
FT   ACT_SITE        164
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000102-1"
FT   BINDING         8..13
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000102-3"
FT   BINDING         33
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000102-3"
FT   BINDING         76
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000102-2"
FT   BINDING         83
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000102-2"
FT   BINDING         90
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000102-3"
FT   BINDING         111..113
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000102-3"
FT   BINDING         113
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000102-2"
FT   BINDING         144
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000102-2"
SQ   SEQUENCE   288 AA;  31135 MW;  949C75FC3311AEA2 CRC64;
     MTRLAVMGVG RIGGEVASLA TLMGLADELV LYDQDPTFLR AQVLDISHTG LPVFLSTDPS
     DIKDADICVF AAGLPRNPDI KTRADLLAAN LPVVRACAGL LDGFSGILVT VTNPMDINNY
     LLHRLTGLPR ERCIGFGGQL DSARFALALH RRGLNGPAAV LGEHGEHQVP VFSRLKRPIE
     ENLRLEILQE LQGSSMDVIK GKGGTVFGPA YHIITLLKML LSGTKETIPC SAVLKGEYQL
     SDCSLGVPAR IGTDGIREIV TWDLDRWEQE KMADAGAFVR NLCRTVVP
//
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