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Database: UniProt
Entry: U2KIU6_9STRE
LinkDB: U2KIU6_9STRE
Original site: U2KIU6_9STRE 
ID   U2KIU6_9STRE            Unreviewed;       342 AA.
AC   U2KIU6;
DT   13-NOV-2013, integrated into UniProtKB/TrEMBL.
DT   13-NOV-2013, sequence version 1.
DT   24-JAN-2024, entry version 49.
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=HMPREF1557_01464 {ECO:0000313|EMBL:ERJ74763.1};
OS   Streptococcus sobrinus W1703.
OC   Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=1227275 {ECO:0000313|EMBL:ERJ74763.1, ECO:0000313|Proteomes:UP000016617};
RN   [1] {ECO:0000313|EMBL:ERJ74763.1, ECO:0000313|Proteomes:UP000016617}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=W1703 {ECO:0000313|EMBL:ERJ74763.1,
RC   ECO:0000313|Proteomes:UP000016617};
RA   Weinstock G., Sodergren E., Lobos E.A., Fulton L., Fulton R., Courtney L.,
RA   Fronick C., O'Laughlin M., Godfrey J., Wilson R.M., Miner T., Farmer C.,
RA   Delehaunty K., Cordes M., Minx P., Tomlinson C., Chen J., Wollam A.,
RA   Pepin K.H., Bhonagiri V., Zhang X., Warren W., Mitreva M., Mardis E.R.,
RA   Wilson R.K.;
RL   Submitted (JUN-2013) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the conversion of lactate to pyruvate.
CC       {ECO:0000256|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: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: 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:ERJ74763.1}.
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DR   EMBL; AWVA01000087; ERJ74763.1; -; Genomic_DNA.
DR   AlphaFoldDB; U2KIU6; -.
DR   PATRIC; fig|1227275.3.peg.1303; -.
DR   HOGENOM; CLU_045401_1_1_9; -.
DR   UniPathway; UPA00554; UER00611.
DR   Proteomes; UP000016617; Unassembled WGS sequence.
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   CDD; cd05291; HicDH_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_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|ARBA:ARBA00022533, ECO:0000256|HAMAP-
KW   Rule:MF_00488}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00488};
KW   NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_00488};
KW   Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW   Rule:MF_00488};
KW   Phosphoprotein {ECO:0000256|ARBA:ARBA00022553, ECO:0000256|HAMAP-
KW   Rule:MF_00488}.
FT   DOMAIN          22..161
FT                   /note="Lactate/malate dehydrogenase N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF00056"
FT   DOMAIN          164..332
FT                   /note="Lactate/malate dehydrogenase C-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02866"
FT   ACT_SITE        194
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488,
FT                   ECO:0000256|PIRSR:PIRSR000102-1"
FT   BINDING         27..32
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000102-3"
FT   BINDING         31
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT   BINDING         52
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT   BINDING         59
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT   BINDING         84
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT   BINDING         98..99
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT   BINDING         101
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT   BINDING         107
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT   BINDING         114
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000102-3"
FT   BINDING         120
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT   BINDING         137..139
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT   BINDING         139..142
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT   BINDING         162
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT   BINDING         167..170
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT   BINDING         172
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         187
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         248
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
FT   MOD_RES         239
FT                   /note="Phosphotyrosine"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00488"
SQ   SEQUENCE   342 AA;  36773 MW;  20B5802114123C88 CRC64;
     MGKSPKKLRR CLDMTATKQH KKVILVGDGA VGSSYAFSLV NQGIAQELGI IEIPQLFEKA
     VGDALDLSHA LAFTSPKKIY AAKYEDCADA DLVVITAGAP QKPGETRLDL VGKNLAINKS
     IVTEVIKSGF NGIFLVAANP VDVLTYATWK FSGFPKERVI GSGTSLDSAR FRQALAEKLD
     VDARSVHAYI MGEHGDSEFA VWSHANVAGV NLEQYLEENQ GLQGDELVSL FEGVRDAAYT
     IINKKGATFY GIAAALARIT KAILDDENAV LPLSVFQEGQ YEGVTDCYIG QPAIVGAHGI
     VRPVNIPLND AELQKMQASA TELKGIIDEA FKNPEFQAAS KN
//
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