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UniProtKB - Q9DCR2 (AP3S1_MOUSE)

Entry version 151 (25 May 2022)
Sequence version 2 (19 Jul 2003)
Previous versions | rss
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Protein

AP-3 complex subunit sigma-1

Gene

Ap3s1

Organism
Mus musculus (Mouse)
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

Part of the AP-3 complex, an adaptor-related complex which is not clathrin-associated. The complex is associated with the Golgi region as well as more peripheral structures. It facilitates the budding of vesicles from the Golgi membrane and may be directly involved in trafficking to lysosomes. In concert with the BLOC-1 complex, AP-3 is required to target cargos into vesicles assembled at cell bodies for delivery into neurites and nerve terminals.

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 - Biological processi

Complete GO annotation on QuickGO ...

<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

Biological processProtein transport, Transport

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...Reactomei		R-MMU-432722, Golgi Associated Vesicle Biogenesis

<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%5Fand%5Ftaxonomy%5Fsection">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:
AP-3 complex subunit sigma-1
Alternative name(s):
AP-3 complex subunit sigma-3A
Adaptor-related protein complex 3 subunit sigma-1
Sigma-3A-adaptin
Short name:
Sigma3A-adaptin
Sigma-adaptin 3a
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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:Ap3s1
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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>OrganismiMus musculus (Mouse)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 identifieri10090 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 lineageiEukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Glires › Rodentia › Myomorpha › Muroidea › Muridae › Murinae › Mus › Mus
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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
  • UP000000589 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">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 18

Organism-specific databases

Mouse genome database (MGD) from Mouse Genome Informatics (MGI)

More...MGIi		MGI:1337062, Ap3s1

Eukaryotic Pathogen, Vector and Host Database Resources

More...VEuPathDBi		HostDB:ENSMUSG00000024480

<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

Cytoplasmic vesicle, Golgi apparatus, Membrane

<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_00001938161 – 193AP-3 complex subunit sigma-1Add BLAST193

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 residuei191PhosphoserineBy similarity1

Keywords - PTMi

Phosphoprotein

Proteomic databases

Encyclopedia of Proteome Dynamics

More...EPDi		Q9DCR2

MaxQB - The MaxQuant DataBase

More...MaxQBi		Q9DCR2

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

More...PaxDbi		Q9DCR2

PRoteomics IDEntifications database

More...PRIDEi		Q9DCR2

ProteomicsDB: a multi-organism proteome resource

More...ProteomicsDBi		296359

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...iPTMneti		Q9DCR2

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

More...PhosphoSitePlusi		Q9DCR2

<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		ENSMUSG00000024480, Expressed in pancreas and 76 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...ExpressionAtlasi		Q9DCR2, baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...Genevisiblei		Q9DCR2, MM

<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%5Fsection">'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%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Adaptor protein complex 3 (AP-3) is a heterotetramer composed of two large adaptins (delta-type subunit AP3D1 and beta-type subunit AP3B1 or AP3B2), a medium adaptin (mu-type subunit AP3M1 or AP3M2) and a small adaptin (sigma-type subunit APS1 or AP3S2) (By similarity). AP-3 associates with the BLOC-1 complex.

Interacts with AGAP1.

By similarity1 Publication

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...BioGRIDi		198135, 19 interactors

ComplexPortal: manually curated resource of macromolecular complexes

More...ComplexPortali		CPX-5145, Ubiquitous AP-3 Adaptor complex, sigma3a variant
CPX-5147, Neuronal AP-3 Adaptor complex, sigma3a variant

Protein interaction database and analysis system

More...IntActi		Q9DCR2, 5 interactors

Molecular INTeraction database

More...MINTi		Q9DCR2

STRING: functional protein association networks

More...STRINGi		10090.ENSMUSP00000025357

Miscellaneous databases

RNAct, Protein-RNA interaction predictions for model organisms.

More...RNActi		Q9DCR2, protein

<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

AlphaFold Protein Structure Database

More...AlphaFoldDBi		Q9DCR2

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

More...SMRi		Q9DCR2

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 adaptor complexes small subunit family.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...eggNOGi		KOG0936, Eukaryota

Ensembl GeneTree

More...GeneTreei		ENSGT00970000193421

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...HOGENOMi		CLU_061221_2_2_1

InParanoid: Eukaryotic Ortholog Groups

More...InParanoidi		Q9DCR2

Identification of Orthologs from Complete Genome Data

More...OMAi		ERCFKNV

Database of Orthologous Groups

More...OrthoDBi		1458249at2759

Database for complete collections of gene phylogenies

More...PhylomeDBi		Q9DCR2

TreeFam database of animal gene trees

More...TreeFami		TF300189

Family and domain databases

Conserved Domains Database

More...CDDi		cd14834, AP3_sigma, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR016635, AP_complex_ssu
IPR022775, AP_mu_sigma_su
IPR027155, APS3
IPR000804, Clathrin_sm-chain_CS
IPR011012, Longin-like_dom_sf

The PANTHER Classification System

More...PANTHERi		PTHR11753, PTHR11753, 1 hit

Pfam protein domain database

More...Pfami		View protein in Pfam
PF01217, Clat_adaptor_s, 1 hit

Superfamily database of structural and functional annotation

More...SUPFAMi		SSF64356, SSF64356, 1 hit

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS00989, CLAT_ADAPTOR_S, 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%5Flength">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%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">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 2 potential isoforms that are computationally mapped.Show allAlign All

Q9DCR2-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MIKAILIFNN HGKPRLSKFY QPYSEDTQQQ IIRETFHLVS KRDENVCNFL 
        60         70         80         90        100
EGGLLIGGSD NKLIYRHYAT LYFVFCVDSS ESELGILDLI QVFVETLDKC 
       110        120        130        140        150
FENVCELDLI FHVDKVHNIL AEMVMGGMVL ETNMNEIVTQ IDAQNKLEKS 
       160        170        180        190 
EAGLAGAPAR AVSAVKNMNL PEIPRNINIG DISIKVPNLP SFK
Length:193
Mass (Da):21,732
Last modified:July 19, 2003 - v2
<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:i1EF17F375881288D
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 2 potential isoforms mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
A0A286YDU3A0A286YDU3_MOUSE
AP complex subunit sigma
Ap3s1
162Annotation score:

Annotation score:2 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>
A0A286YD58A0A286YD58_MOUSE
AP-3 complex subunit sigma-1
Ap3s1
54Annotation 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>

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti30Q → P in BAB22191 (PubMed:16141072).Curated1

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
AF084575 mRNA Translation: AAC72819.1
AK002565 mRNA Translation: BAB22191.1
BC012656 mRNA Translation: AAH12656.1

The Consensus CDS (CCDS) project

More...CCDSi		CCDS29236.1

NCBI Reference Sequences

More...RefSeqi		NP_033811.1, NM_009681.5

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...Ensembli		ENSMUST00000025357; ENSMUSP00000025357; ENSMUSG00000024480

Database of genes from NCBI RefSeq genomes

More...GeneIDi		11777

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		mmu:11777

UCSC genome browser

More...UCSCi		uc008evv.2, mouse

<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
AF084575 mRNA Translation: AAC72819.1
AK002565 mRNA Translation: BAB22191.1
BC012656 mRNA Translation: AAH12656.1
CCDSiCCDS29236.1
RefSeqiNP_033811.1, NM_009681.5

3D structure databases

AlphaFoldDBiQ9DCR2
SMRiQ9DCR2
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi198135, 19 interactors
ComplexPortaliCPX-5145, Ubiquitous AP-3 Adaptor complex, sigma3a variant
CPX-5147, Neuronal AP-3 Adaptor complex, sigma3a variant
IntActiQ9DCR2, 5 interactors
MINTiQ9DCR2
STRINGi10090.ENSMUSP00000025357

PTM databases

iPTMnetiQ9DCR2
PhosphoSitePlusiQ9DCR2

Proteomic databases

EPDiQ9DCR2
MaxQBiQ9DCR2
PaxDbiQ9DCR2
PRIDEiQ9DCR2
ProteomicsDBi296359

Protocols and materials databases

Antibodypedia a portal for validated antibodies

More...Antibodypediai		25448, 130 antibodies from 22 providers

The DNASU plasmid repository

More...DNASUi		11777

Genome annotation databases

EnsembliENSMUST00000025357; ENSMUSP00000025357; ENSMUSG00000024480
GeneIDi11777
KEGGimmu:11777
UCSCiuc008evv.2, mouse

Organism-specific databases

Comparative Toxicogenomics Database

More...CTDi		1176
MGIiMGI:1337062, Ap3s1
VEuPathDBiHostDB:ENSMUSG00000024480

Phylogenomic databases

eggNOGiKOG0936, Eukaryota
GeneTreeiENSGT00970000193421
HOGENOMiCLU_061221_2_2_1
InParanoidiQ9DCR2
OMAiERCFKNV
OrthoDBi1458249at2759
PhylomeDBiQ9DCR2
TreeFamiTF300189

Enzyme and pathway databases

ReactomeiR-MMU-432722, Golgi Associated Vesicle Biogenesis

Miscellaneous databases

BioGRID ORCS database of CRISPR phenotype screens

More...BioGRID-ORCSi		11777, 5 hits in 75 CRISPR screens

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

More...ChiTaRSi		Ap3s1, mouse

Protein Ontology

More...PROi		PR:Q9DCR2
RNActiQ9DCR2, protein

The Stanford Online Universal Resource for Clones and ESTs

More...SOURCEi		Search...

Gene expression databases

BgeeiENSMUSG00000024480, Expressed in pancreas and 76 other tissues
ExpressionAtlasiQ9DCR2, baseline and differential
GenevisibleiQ9DCR2, MM

Family and domain databases

CDDicd14834, AP3_sigma, 1 hit
InterProiView protein in InterPro
IPR016635, AP_complex_ssu
IPR022775, AP_mu_sigma_su
IPR027155, APS3
IPR000804, Clathrin_sm-chain_CS
IPR011012, Longin-like_dom_sf
PANTHERiPTHR11753, PTHR11753, 1 hit
PfamiView protein in Pfam
PF01217, Clat_adaptor_s, 1 hit
SUPFAMiSSF64356, SSF64356, 1 hit
PROSITEiView protein in PROSITE
PS00989, CLAT_ADAPTOR_S, 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 nameiAP3S1_MOUSE
<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: Q9DCR2
Secondary accession number(s): O88670
<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%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 19, 2003
Last sequence update: July 19, 2003
Last modified: May 25, 2022
This is version 151 of the entry and version 2 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

Reference proteome

Documents

  1. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
  2. SIMILARITY comments
    Index of protein domains and families
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