ID Q5TJH3_9TELE Unreviewed; 334 AA.
AC Q5TJH3;
DT 21-DEC-2004, integrated into UniProtKB/TrEMBL.
DT 21-DEC-2004, sequence version 1.
DT 27-MAR-2024, entry version 106.
DE RecName: Full=L-lactate dehydrogenase {ECO:0000256|ARBA:ARBA00012967, ECO:0000256|RuleBase:RU000496};
DE EC=1.1.1.27 {ECO:0000256|ARBA:ARBA00012967, ECO:0000256|RuleBase:RU000496};
GN Name=ldhb {ECO:0000313|EMBL:CAE75861.1};
OS Trachyrincus murrayi (roughnose grenadier).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC Zeiogadaria; Gadariae; Gadiformes; Macrouroidei; Macrouridae;
OC Trachyrincinae; Trachyrincus.
OX NCBI_TaxID=241836 {ECO:0000313|EMBL:CAE75861.1};
RN [1] {ECO:0000313|EMBL:CAE75861.1}
RP NUCLEOTIDE SEQUENCE.
RC TISSUE=Liver {ECO:0000313|EMBL:CAE75861.1};
RA Brindley A.A., Partridge J.C., Hunt D.M., Warren M.J.;
RT "Comparison of deep water fish and shallow water fish lactate dehydrogenase
RT b.";
RL Submitted (NOV-2003) to the EMBL/GenBank/DDBJ databases.
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|RuleBase:RU000496};
CC -!- PATHWAY: Fermentation; pyruvate fermentation to lactate; (S)-lactate
CC from pyruvate: step 1/1. {ECO:0000256|ARBA:ARBA00004843,
CC ECO:0000256|RuleBase:RU000496}.
CC -!- SUBUNIT: Homotetramer. {ECO:0000256|ARBA:ARBA00011881}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496}.
CC -!- SIMILARITY: Belongs to the LDH/MDH superfamily. LDH family.
CC {ECO:0000256|ARBA:ARBA00006054}.
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DR EMBL; AJ609235; CAE75861.1; -; mRNA.
DR AlphaFoldDB; Q5TJH3; -.
DR UniPathway; UPA00554; UER00611.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004459; F:L-lactate dehydrogenase activity; IEA:UniProtKB-EC.
DR GO; GO:0019752; P:carboxylic acid metabolic process; IEA:InterPro.
DR CDD; cd05293; LDH_1; 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:SF2; L-LACTATE DEHYDROGENASE B CHAIN; 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 2: Evidence at transcript level;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|PIRSR:PIRSR000102-3};
KW Oxidoreductase {ECO:0000256|RuleBase:RU000496,
KW ECO:0000313|EMBL:CAE75861.1}.
FT DOMAIN 23..161
FT /note="Lactate/malate dehydrogenase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00056"
FT DOMAIN 164..330
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|PIRSR:PIRSR000102-1"
FT BINDING 28..33
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000102-3"
FT BINDING 53
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000102-3"
FT BINDING 114
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000102-3"
FT BINDING 137..139
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000102-3"
SQ SEQUENCE 334 AA; 36532 MW; 6F6A3C6D92E77C17 CRC64;
MSSILQRLIT PLFSGPAEPP RNKVTVVGVG QVGMACAVSI LLRELADELA LVDVMEDKLK
GEMMDLQHGS LFLKTSKIVA DKDYSVTANS RIVVVTAGVR QQEGESRLNL VQRNVNVFKH
IIPQIVKHSP NCIIIVVSNP VDVLTYVTWK LSGLPKHRII GSGTNLDSAR FRYLMADRLG
IHSSSFNGWI LGEHGDTSVP VWSGTNVAGV NLQMLNPKIG TDSDSENWKD THKKVVDSAY
EVIRLKGYTN WAIGLSVADL TESLIKNMNR IHPVSTMVKG MYGITDEVYL SLPCVLNNGG
VSSVVNMTLN TAEVAQLQAS ANTLWAIQKD LKDL
//
