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Entry version 170 (29 Sep 2021)
Sequence version 1 (01 Feb 1997)
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Protein

L-lactate dehydrogenase

Gene

Ldh

Organism
Drosophila melanogaster (Fruit fly)
Status
Reviewed-Annotation score:

Annotation score:3 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at transcript leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the 'protein existence' evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: pyruvate fermentation to lactate

This protein is involved in step 1 of the subpathway that synthesizes (S)-lactate from pyruvate. This subpathway is part of the pathway pyruvate fermentation to lactate, which is itself part of Fermentation.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes (S)-lactate from pyruvate, the pathway pyruvate fermentation to lactate and in Fermentation.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei99NADBy similarity1
Binding sitei106SubstrateBy similarity1
Binding sitei138NADBy similarity1
Binding sitei138SubstrateBy similarity1
Binding sitei169SubstrateBy similarity1
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei193Proton acceptorBy similarity1
Binding sitei248SubstrateBy similarity1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section describes a region in the protein which binds nucleotide phosphates. It always involves more than one amino acid and includes all residues involved in nucleotide-binding.<p><a href='/help/np_bind' target='_top'>More...</a></p>Nucleotide bindingi29 – 57NADBy similarityAdd BLAST29

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionOxidoreductase
LigandNAD

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-DME-70268, Pyruvate metabolism

UniPathway: a resource for the exploration and annotation of metabolic pathways

More...
UniPathwayi
UPA00554;UER00611

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
L-lactate dehydrogenaseImported (EC:1.1.1.27)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: 'Name', 'Synonyms', 'Ordered locus names' and 'ORF names'.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:LdhImported
Synonyms:Imp-L31 Publication, ImpL3Imported
ORF Names:CG10160Imported
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiDrosophila melanogaster (Fruit fly)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the 'taxonomic identifier' or 'taxid'.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri7227 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiEukaryotaMetazoaEcdysozoaArthropodaHexapodaInsectaPterygotaNeopteraEndopterygotaDipteraBrachyceraMuscomorphaEphydroideaDrosophilidaeDrosophilaSophophora
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000000803 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components.<br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome 3L

Organism-specific databases

Drosophila genome database

More...
FlyBasei
FBgn0001258, Ldh

Eukaryotic Pathogen, Vector and Host Database Resources

More...
VEuPathDBi
VectorBase:FBgn0001258

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

Keywords - Cellular componenti

Cytoplasm

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section describes the extent of a polypeptide chain in the mature protein following processing or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001684941 – 332L-lactate dehydrogenaseAdd BLAST332

Proteomic databases

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
Q95028

PRoteomics IDEntifications database

More...
PRIDEi
Q95028

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
FBgn0001258, Expressed in seminal fluid secreting gland and 41 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
Q95028, baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q95028, DM

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Homotetramer.

By similarity

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...
BioGRIDi
69949, 65 interactors

Database of interacting proteins

More...
DIPi
DIP-17530N

Protein interaction database and analysis system

More...
IntActi
Q95028, 3 interactors

STRING: functional protein association networks

More...
STRINGi
7227.FBpp0304375

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
Q95028

Database of comparative protein structure models

More...
ModBasei
Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

<p>This subsection of the 'Family and domains' section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the LDH/MDH superfamily. LDH family.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG1495, Eukaryota

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000164122

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_045401_0_2_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q95028

Identification of Orthologs from Complete Genome Data

More...
OMAi
MDLMQTA

Database of Orthologous Groups

More...
OrthoDBi
1204514at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q95028

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
3.90.110.10, 1 hit

HAMAP database of protein families

More...
HAMAPi
MF_00488, Lactate_dehydrog, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR001557, L-lactate/malate_DH
IPR011304, L-lactate_DH
IPR018177, L-lactate_DH_AS
IPR022383, Lactate/malate_DH_C
IPR001236, Lactate/malate_DH_N
IPR015955, Lactate_DH/Glyco_Ohase_4_C
IPR036291, NAD(P)-bd_dom_sf

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF02866, Ldh_1_C, 1 hit
PF00056, Ldh_1_N, 1 hit

PIRSF; a whole-protein classification database

More...
PIRSFi
PIRSF000102, Lac_mal_DH, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00086, LLDHDRGNASE

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF51735, SSF51735, 1 hit
SSF56327, SSF56327, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR01771, L-LDH-NAD, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00064, L_LDH, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequence (1+)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

This entry has 1 described isoform and 1 potential isoform that is computationally mapped.Show allAlign All

Q95028-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MAAIKDSLLA QVAEVLPSSG HKVTIVGIGQ VGMASAFSIL AQNVSKEVCL
60 70 80 90 100
IDVCADKLQG ELMDLQHGSN FLKNPQITAS TDFAASANSR LCIVTAGVRQ
110 120 130 140 150
KEGESRLSLV QRNTDILKNI IPKLVEYSPD TILLMVSNPV DIMTYVAWKL
160 170 180 190 200
SGLPKNRVIG SGTNLDSSRF RFLMSQRLGV APTSCHGWII GEHGDSSVPV
210 220 230 240 250
WSGVNIAGVR LRELNPILGT GEDPEKWNEL HKQVVDSAYE VIKLKGYTSW
260 270 280 290 300
AIGLSTASLA SAILRNTSSV AAVSTSVLGE HGIDKDVFLS LPCVLNANGV
310 320 330
TSVVKQILTP TEVEQLQKSA NIMSDVQAGL KF
Length:332
Mass (Da):35,537
Last modified:February 1, 1997 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:iE49F1EE2399440F1
GO

<p>In eukaryotic reference proteomes, unreviewed entries that are likely to belong to the same gene are computationally mapped, based on gene identifiers from Ensembl, EnsemblGenomes and model organism databases.<p><a href='/help/gene_centric_isoform_mapping' target='_top'>More...</a></p>Computationally mapped potential isoform sequencesi

There is 1 potential isoform mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
B5RJQ0B5RJQ0_DROME
L-lactate dehydrogenase
Ldh dLDH, dLdh, dLdha, Dmel\CG10160, dmLDH
332Annotation score:

Annotation score:4 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

More...
GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
U68038 mRNA Translation: AAB07594.1
AE014296 Genomic DNA Translation: AAF50666.1

NCBI Reference Sequences

More...
RefSeqi
NP_001261474.1, NM_001274545.2
NP_001261475.1, NM_001274546.1
NP_001261476.1, NM_001274547.1
NP_476581.1, NM_057233.5

Genome annotation databases

Ensembl metazoan genome annotation project

More...
EnsemblMetazoai
FBtr0077008; FBpp0076716; FBgn0001258
FBtr0332065; FBpp0304375; FBgn0001258
FBtr0332066; FBpp0304376; FBgn0001258
FBtr0332067; FBpp0304377; FBgn0001258

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
45880

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
dme:Dmel_CG10160

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U68038 mRNA Translation: AAB07594.1
AE014296 Genomic DNA Translation: AAF50666.1
RefSeqiNP_001261474.1, NM_001274545.2
NP_001261475.1, NM_001274546.1
NP_001261476.1, NM_001274547.1
NP_476581.1, NM_057233.5

3D structure databases

SMRiQ95028
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi69949, 65 interactors
DIPiDIP-17530N
IntActiQ95028, 3 interactors
STRINGi7227.FBpp0304375

Proteomic databases

PaxDbiQ95028
PRIDEiQ95028

Protocols and materials databases

The DNASU plasmid repository

More...
DNASUi
45880

Genome annotation databases

EnsemblMetazoaiFBtr0077008; FBpp0076716; FBgn0001258
FBtr0332065; FBpp0304375; FBgn0001258
FBtr0332066; FBpp0304376; FBgn0001258
FBtr0332067; FBpp0304377; FBgn0001258
GeneIDi45880
KEGGidme:Dmel_CG10160

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
45880
FlyBaseiFBgn0001258, Ldh
VEuPathDBiVectorBase:FBgn0001258

Phylogenomic databases

eggNOGiKOG1495, Eukaryota
GeneTreeiENSGT00940000164122
HOGENOMiCLU_045401_0_2_1
InParanoidiQ95028
OMAiMDLMQTA
OrthoDBi1204514at2759
PhylomeDBiQ95028

Enzyme and pathway databases

UniPathwayiUPA00554;UER00611
ReactomeiR-DME-70268, Pyruvate metabolism

Miscellaneous databases

BioGRID ORCS database of CRISPR phenotype screens

More...
BioGRID-ORCSi
45880, 0 hits in 3 CRISPR screens

Database of phenotypes from RNA interference screens in Drosophila and Homo sapiens

More...
GenomeRNAii
45880

Protein Ontology

More...
PROi
PR:Q95028

Gene expression databases

BgeeiFBgn0001258, Expressed in seminal fluid secreting gland and 41 other tissues
ExpressionAtlasiQ95028, baseline and differential
GenevisibleiQ95028, DM

Family and domain databases

Gene3Di3.90.110.10, 1 hit
HAMAPiMF_00488, Lactate_dehydrog, 1 hit
InterProiView protein in InterPro
IPR001557, L-lactate/malate_DH
IPR011304, L-lactate_DH
IPR018177, L-lactate_DH_AS
IPR022383, Lactate/malate_DH_C
IPR001236, Lactate/malate_DH_N
IPR015955, Lactate_DH/Glyco_Ohase_4_C
IPR036291, NAD(P)-bd_dom_sf
PfamiView protein in Pfam
PF02866, Ldh_1_C, 1 hit
PF00056, Ldh_1_N, 1 hit
PIRSFiPIRSF000102, Lac_mal_DH, 1 hit
PRINTSiPR00086, LLDHDRGNASE
SUPFAMiSSF51735, SSF51735, 1 hit
SSF56327, SSF56327, 1 hit
TIGRFAMsiTIGR01771, L-LDH-NAD, 1 hit
PROSITEiView protein in PROSITE
PS00064, L_LDH, 1 hit

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the 'Entry information' section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiLDH_DROME
<p>This subsection of the 'Entry information' section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called 'Primary (citable) accession number'.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q95028
Secondary accession number(s): Q9VRW6
<p>This subsection of the 'Entry information' section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification ('Last modified'). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 1, 1997
Last sequence update: February 1, 1997
Last modified: September 29, 2021
This is version 170 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the 'Entry information' section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programDrosophila annotation project

<p>This section contains any relevant information that doesn't fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Reference proteome

Documents

  1. Drosophila
    Drosophila: entries, gene names and cross-references to FlyBase
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  3. SIMILARITY comments
    Index of protein domains and families
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