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Entry version 101 (11 Dec 2019)
Sequence version 1 (01 Mar 2001)
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Protein

Phosphoinositide 3-kinase adapter protein 1

Gene

PIK3AP1

Organism
Gallus gallus (Chicken)
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

Signaling adapter that contributes to B-cell development by linking B-cell receptor (BCR) signaling to the phosphoinositide 3-kinase (PI3K)-Akt signaling pathway. Has a complementary role to the BCR coreceptor CD19, coupling BCR and PI3K activation by providing a docking site for the PI3K subunit PIK3R1. Alternatively, links Toll-like receptor (TLR) signaling to PI3K activation, a process preventing excessive inflammatory cytokine production. Also involved in the activation of PI3K in natural killer cells. May be involved in the survival of mature B-cells via activation of REL.3 Publications

<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

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-GGA-1257604 PIP3 activates AKT signaling
R-GGA-6811558 PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling
R-GGA-983695 Antigen activates B Cell Receptor (BCR) leading to generation of second messengers

<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:
Phosphoinositide 3-kinase adapter protein 1
Alternative name(s):
B-cell adapter for phosphoinositide 3-kinase
B-cell phosphoinositide 3-kinase adapter protein 1
<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:PIK3AP1
Synonyms:BCAP
<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>OrganismiGallus gallus (Chicken)
<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 identifieri9031 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiArchelosauriaArchosauriaDinosauriaSaurischiaTheropodaCoelurosauriaAvesNeognathaeGalloanseraeGalliformesPhasianidaePhasianinaeGallus
<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
  • UP000000539 <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 6

<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

<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>Keywords - Cellular componenti

Cell membrane, Cytoplasm, 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>Mutagenesisi266Y → F: Fails to bind PIK3R1 in a BCR-signaling dependent manner; when associated with Y-423; Y-448 and Y-463. 1 Publication1
Mutagenesisi423Y → F: Fails to bind PIK3R1 in a BCR-signaling dependent manner; when associated with Y-266; Y-448 and Y-463. 1 Publication1
Mutagenesisi448Y → F: Fails to bind PIK3R1 in a BCR-signaling dependent manner; when associated with Y-266; Y-423 and Y-463. 1 Publication1
Mutagenesisi463Y → F: Fails to bind PIK3R1 in a BCR-signaling dependent manner; when associated with Y-266; Y-423 and Y-448. 1 Publication1

<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.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00003412751 – 800Phosphoinositide 3-kinase adapter protein 1Add BLAST800

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei266Phosphotyrosine1 Publication1
Modified residuei423Phosphotyrosine; by SYK1 Publication1
Modified residuei448Phosphotyrosine; by SYK1 Publication1
Modified residuei463Phosphotyrosine; by SYK1 Publication1

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

Constitutively phosphorylated (By similarity). Phosphorylated on tyrosine residues within the YXXM motifs by BTK and SYK. Isoform 1 and isoform 2 are phosphorylated on tyrosine residues, most likely within the YXXM motifs, via CD19 activation.By similarity1 Publication

Keywords - PTMi

Phosphoprotein

Proteomic databases

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

More...
PaxDbi
Q9DDT2

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q9DDT2

<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
ENSGALG00000005547 Expressed in 10 organ(s), highest expression level in spleen

<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

Homooligomer (By similarity).

Interacts (phosphorylated on tyrosine residues within YXXM motifs) with PIK3R1 (via SH2 domain); required for BCR- and TLR-mediated activation of phosphoinositide 3-kinase.

By similarity1 Publication

GO - Molecular functioni

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

More...
BioGridi
675276, 1 interactor

STRING: functional protein association networks

More...
STRINGi
9031.ENSGALP00000008882

<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
Q9DDT2

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

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>Domaini185 – 321DBBPROSITE-ProRule annotationAdd BLAST137

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni10 – 144Necessary and sufficient to mediate inhibition of NF-kappa-B downstream of activated TLRsBy similarityAdd BLAST135

Coiled coil

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and domains’ section denotes the positions of regions of coiled coil within the protein.<p><a href='/help/coiled' target='_top'>More...</a></p>Coiled coili643 – 663Sequence analysisAdd BLAST21

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes the position of regions of compositional bias within the protein and the particular amino acids that are over-represented within those regions.<p><a href='/help/compbias' target='_top'>More...</a></p>Compositional biasi757 – 797Pro-richAdd BLAST41

<p>This subsection of the ‘Family and domains’ section provides general information on the biological role of a domain. The term ‘domain’ is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.<p><a href='/help/domain_cc' target='_top'>More...</a></p>Domaini

The DBB domain is required for dimerization.By similarity

Keywords - Domaini

Coiled coil

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG410IKKC Eukaryota
ENOG4110NCP LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00390000008787

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000095183

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q9DDT2

KEGG Orthology (KO)

More...
KOi
K12230

Identification of Orthologs from Complete Genome Data

More...
OMAi
YVETADM

Database of Orthologous Groups

More...
OrthoDBi
280243at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q9DDT2

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
3.40.50.10140, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR017893 DBB_domain
IPR041340 PIK3AP1_TIR
IPR035897 Toll_tir_struct_dom_sf

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF14545 DBB, 1 hit
PF18567 TIR_3, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM01282 DBB, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF52200 SSF52200, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS51376 DBB, 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>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.

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
Isoform 1 (identifier: Q9DDT2-1) [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
MTASGTHGGY DVLILYASDA AEWCQYLQNL FLSTRHIRKH HIQSYQLEGE
60 70 80 90 100
SAISDQELDL FNRSRSIIIL LSAELVQNFY CPPVLQSLQE ALWPPHKVVK
110 120 130 140 150
LFCGVTDCDD YLTFFKDWYQ WQELTYDDEP DAYLEAVKKA ISEDSGCDSV
160 170 180 190 200
TDTETEDEKT SVYSCQLAMN EEHESSKSTG EHLVVQPDHI RCGVQTTVYI
210 220 230 240 250
IMKCRLDDKV KTEVEFSPEN SSSVRVLAEL ENEYTISVEA PNLTSGTVPL
260 270 280 290 300
QIYSGDLMVG ETSVTYHTDM EEISSLLANA ANPVQFMCQA FKIVPYSIEA
310 320 330 340 350
LDKLLTESLK KNIPASGLHL FGINQLEEDD MTTNQRDEEL PTLLHFSARY
360 370 380 390 400
GLKNLTALLL TCPGALQAYS VANKYGHYPN TIAEKHGFKD LRQFIDEYVE
410 420 430 440 450
TADMLKSHIK EELMQGEEDE SVYESMAHLS TDLLMKCSLN PGSDEELYES
460 470 480 490 500
MAGFVPGAPE DLYVEMLQSK PDTPISGDEI SLTVKDSMLR KFLEGGSTDA
510 520 530 540 550
PDSGEGVSQQ YGEDLYYSVE KDTFPQEMAS RPPVPVPRPE SSSPQPDNEL
560 570 580 590 600
YISKVFAQKA QRPENLYVPR GKVRKETIVR PVRDLSQSSI YDPFAGMKTP
610 620 630 640 650
GQRQLITLQE QVKMGILNVD EAVLHFKEWQ LNQKKRSESF RFQQENLKRL
660 670 680 690 700
RDSITRRQME KQKSGKSADL EITVPIRRSH NTLGKPECGI YEYAPRKNIF
710 720 730 740 750
PPKKELKRGD WKTESTSSTT SSASNRSSTR SILSVSSGME GDSEDNEVSE
760 770 780 790 800
ASRSRSPIPS QAERLPLPLP ERPPRVPPRG ASRPVNCEGF YPPPVPPRGR
Length:800
Mass (Da):90,156
Last modified:March 1, 2001 - 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:iE506D0CFE5E558ED
GO
Isoform 2 (identifier: Q9DDT2-2) [UniParc]FASTAAdd to basket

The sequence of this isoform differs from the canonical sequence as follows:
     1-168: Missing.

Note: It is unsure whether this isoform is produced by alternative splicing or alternative initiation.Curated
Show »
Length:632
Mass (Da):70,908
Checksum:i924518EC71D7C051
GO

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_0342441 – 168Missing in isoform 2. 1 PublicationAdd BLAST168

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
AF293805 mRNA Translation: AAG48583.1
AF315784 mRNA Translation: AAG48619.1

NCBI Reference Sequences

More...
RefSeqi
NP_989681.1, NM_204350.1 [Q9DDT2-1]

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSGALT00000008896; ENSGALP00000008882; ENSGALG00000005547 [Q9DDT2-1]
ENSGALT00000088192; ENSGALP00000062022; ENSGALG00000005547 [Q9DDT2-2]

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
374268

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
gga:374268

Keywords - Coding sequence diversityi

Alternative splicing

<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
AF293805 mRNA Translation: AAG48583.1
AF315784 mRNA Translation: AAG48619.1
RefSeqiNP_989681.1, NM_204350.1 [Q9DDT2-1]

3D structure databases

SMRiQ9DDT2
ModBaseiSearch...

Protein-protein interaction databases

BioGridi675276, 1 interactor
STRINGi9031.ENSGALP00000008882

PTM databases

iPTMnetiQ9DDT2

Proteomic databases

PaxDbiQ9DDT2

Genome annotation databases

EnsembliENSGALT00000008896; ENSGALP00000008882; ENSGALG00000005547 [Q9DDT2-1]
ENSGALT00000088192; ENSGALP00000062022; ENSGALG00000005547 [Q9DDT2-2]
GeneIDi374268
KEGGigga:374268

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
118788

Phylogenomic databases

eggNOGiENOG410IKKC Eukaryota
ENOG4110NCP LUCA
GeneTreeiENSGT00390000008787
HOGENOMiHOG000095183
InParanoidiQ9DDT2
KOiK12230
OMAiYVETADM
OrthoDBi280243at2759
PhylomeDBiQ9DDT2

Enzyme and pathway databases

ReactomeiR-GGA-1257604 PIP3 activates AKT signaling
R-GGA-6811558 PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling
R-GGA-983695 Antigen activates B Cell Receptor (BCR) leading to generation of second messengers

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q9DDT2

Gene expression databases

BgeeiENSGALG00000005547 Expressed in 10 organ(s), highest expression level in spleen

Family and domain databases

Gene3Di3.40.50.10140, 1 hit
InterProiView protein in InterPro
IPR017893 DBB_domain
IPR041340 PIK3AP1_TIR
IPR035897 Toll_tir_struct_dom_sf
PfamiView protein in Pfam
PF14545 DBB, 1 hit
PF18567 TIR_3, 1 hit
SMARTiView protein in SMART
SM01282 DBB, 1 hit
SUPFAMiSSF52200 SSF52200, 1 hit
PROSITEiView protein in PROSITE
PS51376 DBB, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

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 nameiBCAP_CHICK
<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: Q9DDT2
Secondary accession number(s): Q9DDL3
<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: June 10, 2008
Last sequence update: March 1, 2001
Last modified: December 11, 2019
This is version 101 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

<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

Direct protein sequencing, Reference proteome
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