ID A0A1X1QSH6_9GAMM Unreviewed; 325 AA.
AC A0A1X1QSH6;
DT 05-JUL-2017, integrated into UniProtKB/TrEMBL.
DT 05-JUL-2017, sequence version 1.
DT 24-JAN-2024, entry version 31.
DE RecName: Full=Malate dehydrogenase {ECO:0000256|ARBA:ARBA00020382, ECO:0000256|HAMAP-Rule:MF_01517};
DE EC=1.1.1.37 {ECO:0000256|ARBA:ARBA00012995, ECO:0000256|HAMAP-Rule:MF_01517};
GN Name=mdh {ECO:0000256|HAMAP-Rule:MF_01517};
GN ORFNames=A6F72_08240 {ECO:0000313|EMBL:ORU94111.1};
OS Cycloclasticus sp. symbiont of Poecilosclerida sp. N.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Piscirickettsiaceae; Cycloclasticus.
OX NCBI_TaxID=1840472 {ECO:0000313|EMBL:ORU94111.1, ECO:0000313|Proteomes:UP000193416};
RN [1] {ECO:0000313|EMBL:ORU94111.1, ECO:0000313|Proteomes:UP000193416}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Specimen N {ECO:0000313|EMBL:ORU94111.1};
RA Rubin Blum M., Dubilier N.;
RT "Short-chain alkanes fuel the metabolism of mussel and sponge
RT Cycloclasticus symbionts from deep-sea gas and oil seeps.";
RL Submitted (APR-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the reversible oxidation of malate to oxaloacetate.
CC {ECO:0000256|ARBA:ARBA00003966, ECO:0000256|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:0000256|HAMAP-Rule:MF_01517,
CC ECO:0000256|RuleBase:RU000422};
CC -!- SIMILARITY: Belongs to the LDH/MDH superfamily. MDH type 2 family.
CC {ECO:0000256|ARBA:ARBA00009613, ECO:0000256|HAMAP-Rule:MF_01517}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:ORU94111.1}.
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DR EMBL; LWTM01000061; ORU94111.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1X1QSH6; -.
DR STRING; 1840472.A6F72_08240; -.
DR Proteomes; UP000193416; Unassembled WGS sequence.
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; cd01338; MDH_choloroplast_like; 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_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 NCBIfam; TIGR01759; MalateDH-SF1; 1.
DR PANTHER; PTHR23382; MALATE DEHYDROGENASE; 1.
DR PANTHER; PTHR23382:SF0; MALATE DEHYDROGENASE 2, MITOCHONDRIAL-RELATED; 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 {ECO:0000256|HAMAP-Rule:MF_01517, ECO:0000256|PIRSR:PIRSR000102-3};
KW Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_01517,
KW ECO:0000256|RuleBase:RU003369};
KW Reference proteome {ECO:0000313|Proteomes:UP000193416};
KW Tricarboxylic acid cycle {ECO:0000256|HAMAP-Rule:MF_01517,
KW ECO:0000256|RuleBase:RU000422}.
FT DOMAIN 6..152
FT /note="Lactate/malate dehydrogenase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00056"
FT DOMAIN 156..322
FT /note="Lactate/malate dehydrogenase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02866"
FT ACT_SITE 187
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01517,
FT ECO:0000256|PIRSR:PIRSR000102-1"
FT BINDING 11..17
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01517"
FT BINDING 92
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01517,
FT ECO:0000256|PIRSR:PIRSR000102-2"
FT BINDING 98
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01517,
FT ECO:0000256|PIRSR:PIRSR000102-2"
FT BINDING 105
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01517,
FT ECO:0000256|PIRSR:PIRSR000102-3"
FT BINDING 112
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01517"
FT BINDING 129..131
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01517,
FT ECO:0000256|PIRSR:PIRSR000102-3"
FT BINDING 131
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01517,
FT ECO:0000256|PIRSR:PIRSR000102-2"
FT BINDING 162
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01517,
FT ECO:0000256|PIRSR:PIRSR000102-2"
SQ SEQUENCE 325 AA; 35110 MW; E3241556FE52463B CRC64;
MKAPVHVAVT GAAGQISYSL LFRIASGDFL GPDQPICLHL LEITPAMGAL EGAVMELNDC
AFPLLKDVVM SDNPEVAFKD IDFAFLVGAR PRGPGMERKD LLEANAAIFS VQGKALNKVA
KRDVRVLVVG NPANTNALIA MNNAPDLDPR NFTAMTRLDH NRAVSLLAEK TGTHNTDITK
MTIWGNHSAT QYPDLHNTLI NGEDALSKID ASWYSDDYIP AVQQRGAAII KARGLSSAAS
AASSALDHMR TWVQGTVGGD WVSMGIPSDG SYGIEKGLIY SFPVTVKDGD YSIVQGLEIN
DFSRERMTAT ENELKEERDG VKHLL
//
