LDH2_LACLC
ID LDH2_LACLC Reviewed; 314 AA.
AC P0C2T6; Q7WYP6;
DT 01-MAY-2007, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-2007, sequence version 1.
DT 03-AUG-2022, entry version 71.
DE RecName: Full=L-lactate dehydrogenase 2 {ECO:0000255|HAMAP-Rule:MF_00488};
DE Short=L-LDH 2 {ECO:0000255|HAMAP-Rule:MF_00488};
DE EC=1.1.1.27 {ECO:0000255|HAMAP-Rule:MF_00488};
GN Name=ldh2 {ECO:0000255|HAMAP-Rule:MF_00488};
GN Synonyms=ldhB {ECO:0000303|Ref.1};
OS Lactococcus lactis subsp. cremoris (Streptococcus cremoris).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC Lactococcus.
OX NCBI_TaxID=1359;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA Gaspar P., Coelho P., Neves A.R., Shearman C.A., Gasson M.J., Soares C.M.,
RA Baptisa A.M., Ramos A., Santos H.;
RT "Characterization of a lactate dehydrogenase encoded by the ldhB gene of
RT Lactococcus lactis.";
RL Submitted (FEB-2003) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the conversion of lactate to pyruvate.
CC {ECO:0000255|HAMAP-Rule:MF_00488}.
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:0000255|HAMAP-Rule:MF_00488};
CC -!- ACTIVITY REGULATION: Allosterically activated by fructose 1,6-
CC bisphosphate (FBP). {ECO:0000255|HAMAP-Rule:MF_00488}.
CC -!- PATHWAY: Fermentation; pyruvate fermentation to lactate; (S)-lactate
CC from pyruvate: step 1/1. {ECO:0000255|HAMAP-Rule:MF_00488}.
CC -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00488}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00488}.
CC -!- SIMILARITY: Belongs to the LDH/MDH superfamily. LDH family.
CC {ECO:0000255|HAMAP-Rule:MF_00488}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AY236961; AAP49572.1; -; Genomic_DNA.
DR RefSeq; WP_011834445.1; NZ_VBTA01000001.1.
DR AlphaFoldDB; P0C2T6; -.
DR SMR; P0C2T6; -.
DR OMA; RVIGNGC; -.
DR BRENDA; 1.1.1.27; 2903.
DR SABIO-RK; P0C2T6; -.
DR UniPathway; UPA00554; UER00611.
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; -; 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 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.
DR TIGRFAMs; TIGR01771; L-LDH-NAD; 1.
DR PROSITE; PS00064; L_LDH; 1.
PE 3: Inferred from homology;
KW Allosteric enzyme; Cytoplasm; NAD; Oxidoreductase; Phosphoprotein.
FT CHAIN 1..314
FT /note="L-lactate dehydrogenase 2"
FT /id="PRO_0000168355"
FT ACT_SITE 178
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 16
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 37
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 42
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 68
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 82..83
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 85
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 91
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 104
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 121..123
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 123..126
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 146
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 151..154
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 156
FT /ligand="beta-D-fructose 1,6-bisphosphate"
FT /ligand_id="ChEBI:CHEBI:32966"
FT /ligand_note="allosteric activator"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 171
FT /ligand="beta-D-fructose 1,6-bisphosphate"
FT /ligand_id="ChEBI:CHEBI:32966"
FT /ligand_note="allosteric activator"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT BINDING 232
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
FT MOD_RES 223
FT /note="Phosphotyrosine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00488"
SQ SEQUENCE 314 AA; 34398 MW; 9D5114712ACB75A4 CRC64;
MKITSRKVVV IGTGFVGTSI AYSMINQGLV NELVLIDVNQ DKAEGEALDL LDGISWAQEN
VIVRAGNYKD CENADIVVIT AGVNQKPGQS RLDLVNTNAK IMRSIVTQVM DSGFDGIFVI
ASNPVDILTY VAWETSGLDQ SRIVGTGTTL DTTRFRKELA TKLEIDPRSV HGYIIGEHGD
SEVAVWSHTT IGGKPILEFI VKNKKIGLED LSNLSNKVKN AAYEIIDKKQ ATYYGIGMST
ARIVKAILNN EQVILPVSAY LRGEYGQEGV FTGVPSVVNQ NGVREIIELN IDAYEMKQFE
KSVSQLKEVI ESIK
