ID A0A2S2CNB9_9PROT Unreviewed; 316 AA.
AC A0A2S2CNB9;
DT 18-JUL-2018, integrated into UniProtKB/TrEMBL.
DT 18-JUL-2018, sequence version 1.
DT 27-MAR-2024, entry version 27.
DE RecName: Full=L-lactate dehydrogenase {ECO:0000256|ARBA:ARBA00012967, ECO:0000256|HAMAP-Rule:MF_00488};
DE Short=L-LDH {ECO:0000256|HAMAP-Rule:MF_00488};
DE EC=1.1.1.27 {ECO:0000256|ARBA:ARBA00012967, ECO:0000256|HAMAP-Rule:MF_00488};
GN Name=ldh {ECO:0000256|HAMAP-Rule:MF_00488};
GN ORFNames=DEW08_06955 {ECO:0000313|EMBL:AWK86024.1};
OS Azospirillum thermophilum.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Azospirillaceae; Azospirillum.
OX NCBI_TaxID=2202148 {ECO:0000313|EMBL:AWK86024.1, ECO:0000313|Proteomes:UP000245629};
RN [1] {ECO:0000313|Proteomes:UP000245629}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CFH 70021 {ECO:0000313|Proteomes:UP000245629};
RA Zhao Z.;
RT "Azospirillum thermophila sp. nov., a novel isolated from hot spring.";
RL Submitted (MAY-2018) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the conversion of lactate to pyruvate.
CC {ECO:0000256|HAMAP-Rule:MF_00488}.
CC -!- FUNCTION: Catalyzes the reversible oxidation of malate to oxaloacetate.
CC {ECO:0000256|ARBA:ARBA00003966}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(S)-lactate + NAD(+) = H(+) + NADH + pyruvate;
CC Xref=Rhea:RHEA:23444, ChEBI:CHEBI:15361, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:16651, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=1.1.1.27;
CC Evidence={ECO:0000256|ARBA:ARBA00001763, ECO:0000256|HAMAP-
CC Rule:MF_00488};
CC -!- ACTIVITY REGULATION: Allosterically activated by fructose 1,6-
CC bisphosphate (FBP). {ECO:0000256|HAMAP-Rule:MF_00488}.
CC -!- PATHWAY: Fermentation; pyruvate fermentation to lactate; (S)-lactate
CC from pyruvate: step 1/1. {ECO:0000256|ARBA:ARBA00004843,
CC ECO:0000256|HAMAP-Rule:MF_00488}.
CC -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_00488}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00488}.
CC -!- SIMILARITY: Belongs to the LDH/MDH superfamily. LDH family.
CC {ECO:0000256|ARBA:ARBA00006054, ECO:0000256|HAMAP-Rule:MF_00488}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00488}.
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DR EMBL; CP029353; AWK86024.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2S2CNB9; -.
DR KEGG; azz:DEW08_06955; -.
DR OrthoDB; 9802969at2; -.
DR UniPathway; UPA00554; UER00611.
DR Proteomes; UP000245629; Chromosome 2.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004459; F:L-lactate dehydrogenase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006096; P:glycolytic process; IEA:UniProtKB-UniRule.
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_00488; Lactate_dehydrog; 1.
DR InterPro; IPR001557; L-lactate/malate_DH.
DR InterPro; IPR011304; L-lactate_DH.
DR InterPro; IPR018177; L-lactate_DH_AS.
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 NCBIfam; TIGR01771; L-LDH-NAD; 1.
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.
DR PROSITE; PS00064; L_LDH; 1.
PE 3: Inferred from homology;
KW Allosteric enzyme {ECO:0000256|HAMAP-Rule:MF_00488};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00488};
KW NAD {ECO:0000256|HAMAP-Rule:MF_00488, ECO:0000256|PIRSR:PIRSR000102-3};
KW Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_00488,
KW ECO:0000256|RuleBase:RU003369};
KW Phosphoprotein {ECO:0000256|HAMAP-Rule:MF_00488};
KW Reference proteome {ECO:0000313|Proteomes:UP000245629}.
FT DOMAIN 1..139
FT /note="Lactate/malate dehydrogenase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00056"
FT DOMAIN 142..306
FT /note="Lactate/malate dehydrogenase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF02866"
FT ACT_SITE 172
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488,
FT ECO:0000256|PIRSR:PIRSR000102-1"
FT BINDING 7..12
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000102-3"
FT BINDING 11
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT BINDING 32
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488,
FT ECO:0000256|PIRSR:PIRSR000102-3"
FT BINDING 62
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT BINDING 76..77
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT BINDING 79
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT BINDING 85
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT BINDING 92
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000102-3"
FT BINDING 115..117
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT BINDING 117..120
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT BINDING 140
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT BINDING 145..148
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT BINDING 150
FT /ligand="beta-D-fructose 1,6-bisphosphate"
FT /ligand_id="ChEBI:CHEBI:32966"
FT /ligand_note="allosteric activator"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT BINDING 165
FT /ligand="beta-D-fructose 1,6-bisphosphate"
FT /ligand_id="ChEBI:CHEBI:32966"
FT /ligand_note="allosteric activator"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT BINDING 227
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT MOD_RES 218
FT /note="Phosphotyrosine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
SQ SEQUENCE 316 AA; 32462 MW; 6732C95E894FB84D CRC64;
MKVGIVGAGF VGSTAAYALV TSGGASEVVL VDANEKLAMA QAQDIAHAVP FARATTVRHG
PYEALDGAGV VVLAAGVGQK PGETRLDLLE RNARVFGQVI PAALAAAPEA ILLVATNPVD
VMTHIATHIS GLPRHRVIGS GTVLDTARFR ALLGARLGVT PKSVHAHVVG EHGDSEVLLW
SGATAAGMPV ERCAAQLGHP LTDADRAAID EGVRRAAYRI IEGKGHTAFG IGSGIARIIA
AIAGDERAVL TCSTLTDAVA GVRDVTLSLP RVLGSRGVVD TVMPPLSAEE ETALNRSATI
LREAATGVEQ RMGWAK
//
