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Entry version 175 (31 Jul 2019)
Sequence version 1 (01 Nov 1995)
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Protein

Killer cell immunoglobulin-like receptor 2DL1

Gene

KIR2DL1

Organism
Homo sapiens (Human)
Status
Reviewed-Annotation score:

Annotation score:5 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 protein 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

Receptor on natural killer (NK) cells for some HLA-C alleles such as w4 and w6. Inhibits the activity of NK cells thus preventing cell lysis.1 Publication

<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 functionReceptor

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-HSA-198933 Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell

<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:
Killer cell immunoglobulin-like receptor 2DL1
Alternative name(s):
CD158 antigen-like family member A
MHC class I NK cell receptor
Natural killer-associated transcript 1
Short name:
NKAT-1
p58 natural killer cell receptor clones CL-42/47.11
Short name:
p58 NK receptor CL-42/47.11
p58.1 MHC class-I-specific NK receptor
CD_antigen: CD158a
<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:KIR2DL1
Synonyms:CD158A, NKAT1
<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>OrganismiHomo sapiens (Human)
<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 identifieri9606 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
<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
  • UP000005640 <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 19

Organism-specific databases

Human Gene Nomenclature Database

More...
HGNCi
HGNC:6329 KIR2DL1

Online Mendelian Inheritance in Man (OMIM)

More...
MIMi
604936 gene

neXtProt; the human protein knowledge platform

More...
neXtProti
NX_P43626

<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

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the subcellular compartment where each non-membrane region of a membrane-spanning protein is found.<p><a href='/help/topo_dom' target='_top'>More...</a></p>Topological domaini22 – 245ExtracellularSequence analysisAdd BLAST224
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular_location_section">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei246 – 264HelicalSequence analysisAdd BLAST19
Topological domaini265 – 348CytoplasmicSequence analysisAdd BLAST84

Keywords - Cellular componenti

Cell membrane, Membrane

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

Mutagenesis

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/manual/pathology_and_biotech_section">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi302Y → A: Abolishes interaction with ARRB2; when associated with A-332. Diminishes interaction with ARRB2. 1 Publication1
Mutagenesisi332Y → A: Abolishes interaction with ARRB2; when associated with A-302. 1 Publication1

Organism-specific databases

DisGeNET

More...
DisGeNETi
3802

The Pharmacogenetics and Pharmacogenomics Knowledge Base

More...
PharmGKBi
PA30114

Chemistry databases

ChEMBL database of bioactive drug-like small molecules

More...
ChEMBLi
CHEMBL3712912

Polymorphism and mutation databases

BioMuta curated single-nucleotide variation and disease association database

More...
BioMutai
KIR2DL1

Domain mapping of disease mutations (DMDM)

More...
DMDMi
1171726

<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 denotes the presence of an N-terminal signal peptide.<p><a href='/help/signal' target='_top'>More...</a></p>Signal peptidei1 – 211 PublicationAdd BLAST21
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_000001507822 – 348Killer cell immunoglobulin-like receptor 2DL1Add BLAST327

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the PTM / Processing":/help/ptm_processing_section section describes the positions of cysteine residues participating in disulfide bonds.<p><a href='/help/disulfid' target='_top'>More...</a></p>Disulfide bondi49 ↔ 100Combined sources1 Publication
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM / Processing</a> section specifies the position and type of each covalently attached glycan group (mono-, di-, or polysaccharide).<p><a href='/help/carbohyd' target='_top'>More...</a></p>Glycosylationi67N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi84N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi144N-linked (GlcNAc...) asparagineSequence analysis1
Disulfide bondi149 ↔ 198Combined sources1 Publication
Glycosylationi178N-linked (GlcNAc...) asparagineSequence analysis1

Keywords - PTMi

Disulfide bond, Glycoprotein

Proteomic databases

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

More...
PaxDbi
P43626

PeptideAtlas

More...
PeptideAtlasi
P43626

PRoteomics IDEntifications database

More...
PRIDEi
P43626

ProteomicsDB human proteome resource

More...
ProteomicsDBi
55639 [P43626-1]
66496

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
P43626

Comprehensive resource for the study of protein post-translational modifications (PTMs) in human, mouse and rat.

More...
PhosphoSitePlusi
P43626

<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

<p>This subsection of the ‘Expression’ section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms. By default, the information is derived from experiments at the mRNA level, unless specified ‘at protein level’. <br></br>Examples: <a href="http://www.uniprot.org/uniprot/P92958#expression">P92958</a>, <a href="http://www.uniprot.org/uniprot/Q8TDN4#expression">Q8TDN4</a>, <a href="http://www.uniprot.org/uniprot/O14734#expression">O14734</a><p><a href='/help/tissue_specificity' target='_top'>More...</a></p>Tissue specificityi

Expressed by NK cells.1 Publication

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSG00000125498 Expressed in 49 organ(s), highest expression level in amniotic fluid

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
P43626 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
P43626 HS

<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

Interacts with ARRB2.

Interacts with PTPN6; the interaction is enhanced by ARRB2.

Interacts with PTPN11; the interaction is enhanced by ARRB2.

1 Publication

<p>This subsection of the '<a href="http://www.uniprot.org/help/interaction_section%27">Interaction</a> section provides information about binary protein-protein interactions. The data presented in this section are a quality-filtered subset of binary interactions automatically derived from the <a href="http://www.ebi.ac.uk/intact/">IntAct database</a>. It is updated on a monthly basis. Each binary interaction is displayed on a separate line.<p><a href='/help/binary_interactions' target='_top'>More...</a></p>Binary interactionsi

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

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BioGridi
110003, 25 interactors

Protein interaction database and analysis system

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IntActi
P43626, 19 interactors

Molecular INTeraction database

More...
MINTi
P43626

STRING: functional protein association networks

More...
STRINGi
9606.ENSP00000336769

<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

Secondary structure

1348
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

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

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SMRi
P43626

Database of comparative protein structure models

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ModBasei
Search...

Miscellaneous databases

Relative evolutionary importance of amino acids within a protein sequence

More...
EvolutionaryTracei
P43626

<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

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family_and_domains_section">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini42 – 107Ig-like C2-type 1Add BLAST66
Domaini142 – 205Ig-like C2-type 2Add BLAST64

<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 immunoglobulin superfamily.Curated

Keywords - Domaini

Immunoglobulin domain, Repeat, Signal, Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

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eggNOGi
ENOG410KCDN Eukaryota
ENOG4110P2R LUCA

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000234396

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P43626

KEGG Orthology (KO)

More...
KOi
K07981

Database of Orthologous Groups

More...
OrthoDBi
1055520at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P43626

TreeFam database of animal gene trees

More...
TreeFami
TF352669

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
2.60.40.10, 2 hits

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR036179 Ig-like_dom_sf
IPR013783 Ig-like_fold
IPR003599 Ig_sub
IPR013151 Immunoglobulin

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00047 ig, 2 hits

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00409 IG, 2 hits

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF48726 SSF48726, 2 hits

<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>Sequences (2+)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.

<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 in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

This entry describes 2 <p>This subsection of the ‘Sequence’ section lists the alternative protein sequences (isoforms) that can be generated from the same gene by a single or by the combination of up to four biological events (alternative promoter usage, alternative splicing, alternative initiation and ribosomal frameshifting). Additionally, this section gives relevant information on each alternative protein isoform.<p><a href='/help/alternative_products' target='_top'>More...</a></p> isoformsi produced by alternative splicing. AlignAdd to basket

This entry has 2 described isoforms and 11 potential isoforms that are computationally mapped.Show allAlign All

Isoform 1 (identifier: P43626-1) [UniParc]FASTAAdd to basket

This isoform has been chosen as the <div> <p><b>What is the canonical sequence?</b><p><a href='/help/canonical_and_isoforms' target='_top'>More...</a></p>canonicali sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide
        10         20         30         40         50
MSLLVVSMAC VGFFLLQGAW PHEGVHRKPS LLAHPGPLVK SEETVILQCW
60 70 80 90 100
SDVMFEHFLL HREGMFNDTL RLIGEHHDGV SKANFSISRM TQDLAGTYRC
110 120 130 140 150
YGSVTHSPYQ VSAPSDPLDI VIIGLYEKPS LSAQPGPTVL AGENVTLSCS
160 170 180 190 200
SRSSYDMYHL SREGEAHERR LPAGPKVNGT FQADFPLGPA THGGTYRCFG
210 220 230 240 250
SFHDSPYEWS KSSDPLLVSV TGNPSNSWPS PTEPSSKTGN PRHLHILIGT
260 270 280 290 300
SVVIILFILL FFLLHRWCSN KKNAAVMDQE SAGNRTANSE DSDEQDPQEV
310 320 330 340
TYTQLNHCVF TQRKITRPSQ RPKTPPTDII VYTELPNAES RSKVVSCP
Length:348
Mass (Da):38,505
Last modified:November 1, 1995 - 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:i3DFBF2D6FDCE1D1E
GO
Isoform 2 (identifier: P43626-2) [UniParc]FASTAAdd to basket

The sequence of this isoform differs from the canonical sequence as follows:
     238-239: TG → TERMFHHVGQACLKLPTSSDPTVSACQS

Note: No experimental confirmation available.
Show »
Length:374
Mass (Da):41,360
Checksum:i80C18B19F3A5B394
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 are 11 potential isoforms mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
Q6H2H3Q6H2H3_HUMAN
KIR2DL1
KIR2DL1 KIR-2DL1
348Annotation score:

Annotation score:1 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>
Q6H2H2Q6H2H2_HUMAN
KIR2DL1
KIR2DL1 LOC112267881
348Annotation score:

Annotation score:1 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>
E7BWR8E7BWR8_HUMAN
HCG2043595, isoform CRA_a
KIR2DL1 hCG_2043595
348Annotation score:

Annotation score:1 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>
A0A0G2JPY8A0A0G2JPY8_HUMAN
Killer cell immunoglobulin-like rec...
KIR2DL1
348Annotation score:

Annotation score:1 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>
A0A0G2JQ35A0A0G2JQ35_HUMAN
Killer cell immunoglobulin-like rec...
KIR2DL1
348Annotation score:

Annotation score:1 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>
A0A0G2JQ06A0A0G2JQ06_HUMAN
Killer cell immunoglobulin-like rec...
KIR2DL1
348Annotation score:

Annotation score:1 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>
A0A0C4ZNX3A0A0C4ZNX3_HUMAN
KIR2DL1 Killer-cell Immunoglobulin-...
KIR2DL1
348Annotation score:

Annotation score:1 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>
A0A1W2PRZ1A0A1W2PRZ1_HUMAN
Killer cell immunoglobulin-like rec...
KIR2DL1
374Annotation score:

Annotation score:1 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>
A0A0G2JND8A0A0G2JND8_HUMAN
Killer cell immunoglobulin-like rec...
KIR2DL1
374Annotation score:

Annotation score:1 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>
A0A0G2JQ05A0A0G2JQ05_HUMAN
KIR2DL1 protein
KIR2DL1
374Annotation score:

Annotation score:1 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>
There is more potential isoformShow all

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section describes natural variant(s) of the protein sequence.<p><a href='/help/variant' target='_top'>More...</a></p>Natural variantiVAR_0039495V → F1 PublicationCorresponds to variant dbSNP:rs2304224Ensembl.1
Natural variantiVAR_0613329A → V. Corresponds to variant dbSNP:rs3810343Ensembl.1
Natural variantiVAR_00395037P → R1 PublicationCorresponds to variant dbSNP:rs35509911Ensembl.1
Natural variantiVAR_05609166F → Y. Corresponds to variant dbSNP:rs673568Ensembl.1
Natural variantiVAR_061333111V → L. Corresponds to variant dbSNP:rs687885Ensembl.1
Natural variantiVAR_003951135P → L1 PublicationCorresponds to variant dbSNP:rs11673144Ensembl.1
Natural variantiVAR_010331175P → T. Corresponds to variant dbSNP:rs111799279Ensembl.1
Natural variantiVAR_010332184D → N. Corresponds to variant dbSNP:rs147072532Ensembl.1
Natural variantiVAR_010333203H → R. Corresponds to variant dbSNP:rs666590Ensembl.1
Natural variantiVAR_010334237K → E. Corresponds to variant dbSNP:rs75232650Ensembl.1
Natural variantiVAR_010335266R → C. Corresponds to variant dbSNP:rs34721508Ensembl.1

Alternative sequence

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting.<p><a href='/help/var_seq' target='_top'>More...</a></p>Alternative sequenceiVSP_056314238 – 239TG → TERMFHHVGQACLKLPTSSD PTVSACQS in isoform 2. 1 Publication2

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

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EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

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DDBJi
Links Updated
L41267 mRNA Translation: AAA69868.1
U24076 mRNA Translation: AAC50335.1
U24078 mRNA Translation: AAC50337.1
AF022045 mRNA Translation: AAB95318.1
AY789055 mRNA Translation: AAX23100.1
AC011501 Genomic DNA No translation available.
BC069344 mRNA Translation: AAH69344.1

The Consensus CDS (CCDS) project

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CCDSi
CCDS12904.1 [P43626-1]

Protein sequence database of the Protein Information Resource

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PIRi
A56247

NCBI Reference Sequences

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RefSeqi
NP_055033.2, NM_014218.2

Genome annotation databases

Ensembl eukaryotic genome annotation project

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Ensembli
ENST00000291633; ENSP00000291633; ENSG00000125498
ENST00000611611; ENSP00000478232; ENSG00000278738
ENST00000615920; ENSP00000482120; ENSG00000273794
ENST00000617376; ENSP00000484559; ENSG00000278821
ENST00000618563; ENSP00000484361; ENSG00000276625
ENST00000620449; ENSP00000478263; ENSG00000277833
ENST00000622463; ENSP00000479363; ENSG00000278495

Database of genes from NCBI RefSeq genomes

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GeneIDi
3802

KEGG: Kyoto Encyclopedia of Genes and Genomes

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KEGGi
hsa:3802

UCSC genome browser

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UCSCi
uc010erz.2 human [P43626-1]

Keywords - Coding sequence diversityi

Alternative splicing, Polymorphism

<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
L41267 mRNA Translation: AAA69868.1
U24076 mRNA Translation: AAC50335.1
U24078 mRNA Translation: AAC50337.1
AF022045 mRNA Translation: AAB95318.1
AY789055 mRNA Translation: AAX23100.1
AC011501 Genomic DNA No translation available.
BC069344 mRNA Translation: AAH69344.1
CCDSiCCDS12904.1 [P43626-1]
PIRiA56247
RefSeqiNP_055033.2, NM_014218.2

3D structure databases

Select the link destinations:

Protein Data Bank Europe

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PDBei

Protein Data Bank RCSB

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RCSB PDBi

Protein Data Bank Japan

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PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1IM9X-ray2.80D22-245[»]
1NKRX-ray1.70A22-221[»]
SMRiP43626
ModBaseiSearch...

Protein-protein interaction databases

BioGridi110003, 25 interactors
IntActiP43626, 19 interactors
MINTiP43626
STRINGi9606.ENSP00000336769

Chemistry databases

ChEMBLiCHEMBL3712912

PTM databases

iPTMnetiP43626
PhosphoSitePlusiP43626

Polymorphism and mutation databases

BioMutaiKIR2DL1
DMDMi1171726

Proteomic databases

PaxDbiP43626
PeptideAtlasiP43626
PRIDEiP43626
ProteomicsDBi55639 [P43626-1]
66496

Protocols and materials databases

ABCD curated depository of sequenced antibodies

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ABCDi
P43626

The DNASU plasmid repository

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DNASUi
3802
Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENST00000291633; ENSP00000291633; ENSG00000125498
ENST00000611611; ENSP00000478232; ENSG00000278738
ENST00000615920; ENSP00000482120; ENSG00000273794
ENST00000617376; ENSP00000484559; ENSG00000278821
ENST00000618563; ENSP00000484361; ENSG00000276625
ENST00000620449; ENSP00000478263; ENSG00000277833
ENST00000622463; ENSP00000479363; ENSG00000278495
GeneIDi3802
KEGGihsa:3802
UCSCiuc010erz.2 human [P43626-1]

Organism-specific databases

Comparative Toxicogenomics Database

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CTDi
3802
DisGeNETi3802

GeneCards: human genes, protein and diseases

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GeneCardsi
KIR2DL1
HGNCiHGNC:6329 KIR2DL1
MIMi604936 gene
neXtProtiNX_P43626
PharmGKBiPA30114

GenAtlas: human gene database

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GenAtlasi
Search...

Phylogenomic databases

eggNOGiENOG410KCDN Eukaryota
ENOG4110P2R LUCA
HOGENOMiHOG000234396
InParanoidiP43626
KOiK07981
OrthoDBi1055520at2759
PhylomeDBiP43626
TreeFamiTF352669

Enzyme and pathway databases

ReactomeiR-HSA-198933 Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell

Miscellaneous databases

ChiTaRS: a database of human, mouse and fruit fly chimeric transcripts and RNA-sequencing data

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ChiTaRSi
KIR2DL1 human
EvolutionaryTraceiP43626

The Gene Wiki collection of pages on human genes and proteins

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GeneWikii
KIR2DL1

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

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GenomeRNAii
3802

Protein Ontology

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PROi
PR:P43626

The Stanford Online Universal Resource for Clones and ESTs

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SOURCEi
Search...

Gene expression databases

BgeeiENSG00000125498 Expressed in 49 organ(s), highest expression level in amniotic fluid
ExpressionAtlasiP43626 baseline and differential
GenevisibleiP43626 HS

Family and domain databases

Gene3Di2.60.40.10, 2 hits
InterProiView protein in InterPro
IPR036179 Ig-like_dom_sf
IPR013783 Ig-like_fold
IPR003599 Ig_sub
IPR013151 Immunoglobulin
PfamiView protein in Pfam
PF00047 ig, 2 hits
SMARTiView protein in SMART
SM00409 IG, 2 hits
SUPFAMiSSF48726 SSF48726, 2 hits

ProtoNet; Automatic hierarchical classification of proteins

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ProtoNeti
Search...

MobiDB: a database of protein disorder and mobility annotations

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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 nameiKI2L1_HUMAN
<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: P43626
Secondary accession number(s): O43470, Q32WE6, Q6IST4
<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, 1995
Last sequence update: November 1, 1995
Last modified: July 31, 2019
This is version 175 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 programChordata Protein Annotation Program
DisclaimerAny medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.

<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

3D-structure, Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families
  3. Human chromosome 19
    Human chromosome 19: entries, gene names and cross-references to MIM
  4. Human entries with polymorphisms or disease mutations
    List of human entries with polymorphisms or disease mutations
  5. Human polymorphisms and disease mutations
    Index of human polymorphisms and disease mutations
  6. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
  7. Human cell differentiation molecules
    CD nomenclature of surface proteins of human leucocytes and list of entries
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