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Entry version 144 (26 Feb 2020)
Sequence version 1 (11 Oct 2004)
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Protein

AP-2 complex subunit alpha

Gene

Ap2a2

Organism
Rattus norvegicus (Rat)
Status
Unreviewed-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 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

Component of the adaptor protein complex 2 (AP-2). Adaptor protein complexes function in protein transport via transport vesicles in different membrane traffic pathways. Adaptor protein complexes are vesicle coat components and appear to be involved in cargo selection and vesicle formation. AP-2 is involved in clathrin-dependent endocytosis in which cargo proteins are incorporated into vesicles surrounded by clathrin (clathrin-coated vesicles, CCVs) which are destined for fusion with the early endosome. The clathrin lattice serves as a mechanical scaffold but is itself unable to bind directly to membrane components. Clathrin-associated adaptor protein (AP) complexes which can bind directly to both the clathrin lattice and to the lipid and protein components of membranes are considered to be the major clathrin adaptors contributing the CCV formation. AP-2 also serves as a cargo receptor to selectively sort the membrane proteins involved in receptor-mediated endocytosis. AP-2 seems to play a role in the recycling of synaptic vesicle membranes from the presynaptic surface. AP-2 recognizes Y-X-X-[FILMV] (Y-X-X-Phi) and [ED]-X-X-X-L-[LI] endocytosis signal motifs within the cytosolic tails of transmembrane cargo molecules. AP-2 may also play a role in maintaining normal post-endocytic trafficking through the ARF6-regulated, non-clathrin pathway. The AP-2 alpha subunit binds polyphosphoinositide-containing lipids, positioning AP-2 on the membrane. The AP-2 alpha subunit acts via its C-terminal appendage domain as a scaffolding platform for endocytic accessory proteins. The AP-2 alpha and AP-2 sigma subunits are thought to contribute to the recognition of the [ED]-X-X-X-L-[LI] motif.UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">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 sitei43Phosphatidylinositol lipid headgroupUniRule annotation1
Binding sitei53Phosphatidylinositol lipid headgroupUniRule annotation1
Binding sitei57Phosphatidylinositol lipid headgroupUniRule annotation1
Binding sitei58Phosphatidylinositol lipid headgroupUniRule annotation1
Binding sitei61Phosphatidylinositol lipid headgroupUniRule annotation1

<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

Biological processEndocytosisUniRule annotation, Protein transportUniRule annotationSAAS annotation, Transport

<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-2 complex subunit alphaUniRule annotation
<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:Ap2a2Imported
<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>OrganismiRattus norvegicus (Rat)Imported
<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 identifieri10116 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeRattus
<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
  • UP000002494 <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 1

Organism-specific databases

Rat genome database

More...
RGDi
71015 Ap2a2

<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

Keywords - Cellular componenti

Coated pitUniRule annotation, Membrane

<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
ENSRNOG00000019534 Expressed in brain and 9 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
Q66HM2 baseline and differential

<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 2 (AP-2) is a heterotetramer composed of two large adaptins (alpha-type subunit AP2A1 or AP2A2 and beta-type subunit AP2B1), a medium adaptin (mu-type subunit AP2M1) and a small adaptin (sigma-type subunit AP2S1).

UniRule annotation

<p>This subsection of the '<a href="http://www.uniprot.org/help/interaction%5Fsection%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

WithEntry#Exp.IntActNotes
Q3MUI12EBI-2255846,EBI-7007865

GO - Molecular functioni

Protein-protein interaction databases

Protein interaction database and analysis system

More...
IntActi
Q66HM2, 2 interactors

<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
Q66HM2

Database of comparative protein structure models

More...
ModBasei
Search...

Protein Data Bank in Europe - Knowledge Base

More...
PDBe-KBi
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%5Fand%5Fdomains%5Fsection">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>Domaini707 – 820Alpha_adaptinC2InterPro annotationAdd BLAST114

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>Regioni616 – 683DisorderedSequence analysisAdd BLAST68

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 coili23 – 43Sequence 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 biasi616 – 639PolyampholyteSequence analysisAdd BLAST24

<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 large subunit family.UniRule annotation

Keywords - Domaini

Coiled coilSequence analysis

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG1077 Eukaryota
ENOG410XNQE LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00950000182838

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_003824_1_0_1

KEGG Orthology (KO)

More...
KOi
K11824

Identification of Orthologs from Complete Genome Data

More...
OMAi
ICADDLQ

Database of Orthologous Groups

More...
OrthoDBi
751651at2759

TreeFam database of animal gene trees

More...
TreeFami
TF300308

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.25.10.10, 1 hit
3.30.310.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR017104 AP2_complex_asu
IPR011989 ARM-like
IPR016024 ARM-type_fold
IPR002553 Clathrin/coatomer_adapt-like_N
IPR003164 Clathrin_a-adaptin_app_sub_C
IPR008152 Clathrin_a/b/g-adaptin_app_Ig
IPR013041 Clathrin_app_Ig-like_sf
IPR009028 Coatomer/calthrin_app_sub_C
IPR012295 TBP_dom_sf

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF01602 Adaptin_N, 1 hit
PF02296 Alpha_adaptin_C, 1 hit
PF02883 Alpha_adaptinC2, 1 hit

PIRSF; a whole-protein classification database

More...
PIRSFi
PIRSF037091 AP2_complex_alpha, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00809 Alpha_adaptinC2, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF48371 SSF48371, 1 hit
SSF49348 SSF49348, 1 hit
SSF55711 SSF55711, 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

Q66HM2-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MPAVSKGEGM RGLAVFISDI RNCKSKEAEI KRINKELANI RSKFKGDKAL
60 70 80 90 100
DGYSKKKYVC KLLFIFLLGH DIDFGHMEAV NLLSSNRYTE KQIGYLFISV
110 120 130 140 150
LVNSNSELIR LINNAIKNDL ASRNPTFMGL ALHCIANVGS REMAEAFAGE
160 170 180 190 200
IPKILVAGDT MDSVKQSAAL CLLRLYRTSP DLVPMGDWTS RVVHLLNDQH
210 220 230 240 250
LGVVTAATSL ITTLAQKNPE EFKTSVSLAV SRLSRIVTSA STDLQDYTYY
260 270 280 290 300
FVPAPWLSVK LLRLLQCYPP PEDPAVRGRL TECLETILNK AQEPPKSKKV
310 320 330 340 350
QHSNAKNAVL FEAISLIIHH DSEPNLLVRA CNQLGQFLQH RETNLRYLAL
360 370 380 390 400
ESMCTLASSE FSHEAVKTHI ETVINALKTE RDVSVRQRAV DLLYAMCDRS
410 420 430 440 450
NAQQIVAEML SYLETADYSI REEIVLKVAI LAEKYAVDYT WYVDTILNLI
460 470 480 490 500
RIAGDYVSEE VWYRVIQIVI NRDDVQGYAA KTVFEALQAP ACHENLVKVG
510 520 530 540 550
GYILGEFGNL IAGDPRSSPL IQFNLLHSKF HLCSVPTRAL LLSTYIKFVN
560 570 580 590 600
LFPEVKATIQ DVLRSDSQLK NADVELQQRA VEYLRLSTVA STDILATVLE
610 620 630 640 650
EMPPFPERES SILAKLKKKK GPSTVTDLEE TKRERSIDVN GGPEPVPAST
660 670 680 690 700
SAASTPSPSA DLLGLGAVPP APTGPPPTSG GGLLVDVFSD SASAVAPLAP
710 720 730 740 750
GSEDNFARFV CKNNGVLFEN QLLQIGLKSE FRQNLGRMFI FYGNKTSTQF
760 770 780 790 800
LNFTPTLICA DDLQTNLNLQ TKPVDPTVDG GAQVQQVVNI ECISDFTEAP
810 820 830 840 850
VLNIQFRYGG TFQNVSVKLP ITLNKFFQPT EMASQDFFQR WKQLSNPQQE
860 870 880 890 900
VQNIFKAKHP MDTEITKAKI IGFGSALLEE VDPNPANFVG AGIIHTKTTQ
910 920 930
IGCLLRLEPN LQAQMYRLTL RTSKDTVSQR LCELLSEQF
Length:939
Mass (Da):104,174
Last modified:October 11, 2004 - 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:iD6A7EB7EE919F566
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
P18484AP2A2_RAT
AP-2 complex subunit alpha-2
Ap2a2 Adtab
938Annotation 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>
A0A0G2K943A0A0G2K943_RAT
AP-2 complex subunit alpha
Ap2a2
915Annotation 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>

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
AC109542 Genomic DNA No translation available.
BC081786 mRNA Translation: AAH81786.1

NCBI Reference Sequences

More...
RefSeqi
NP_112270.2, NM_031008.2

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSRNOT00000064254; ENSRNOP00000060992; ENSRNOG00000019534

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
81637

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
rno:81637

<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
AC109542 Genomic DNA No translation available.
BC081786 mRNA Translation: AAH81786.1
RefSeqiNP_112270.2, NM_031008.2

3D structure databases

Select the link destinations:

Protein Data Bank Europe

More...
PDBei

Protein Data Bank RCSB

More...
RCSB PDBi

Protein Data Bank Japan

More...
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
6OWTelectron microscopy3.80A1-939[»]
6QH5X-ray2.56A1-621[»]
6QH6X-ray5.00A1-621[»]
6QH7X-ray3.40A1-621[»]
SMRiQ66HM2
ModBaseiSearch...
PDBe-KBiSearch...

Protein-protein interaction databases

IntActiQ66HM2, 2 interactors

Genome annotation databases

EnsembliENSRNOT00000064254; ENSRNOP00000060992; ENSRNOG00000019534
GeneIDi81637
KEGGirno:81637

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
161
RGDi71015 Ap2a2

Phylogenomic databases

eggNOGiKOG1077 Eukaryota
ENOG410XNQE LUCA
GeneTreeiENSGT00950000182838
HOGENOMiCLU_003824_1_0_1
KOiK11824
OMAiICADDLQ
OrthoDBi751651at2759
TreeFamiTF300308

Gene expression databases

BgeeiENSRNOG00000019534 Expressed in brain and 9 other tissues
ExpressionAtlasiQ66HM2 baseline and differential

Family and domain databases

Gene3Di1.25.10.10, 1 hit
3.30.310.10, 1 hit
InterProiView protein in InterPro
IPR017104 AP2_complex_asu
IPR011989 ARM-like
IPR016024 ARM-type_fold
IPR002553 Clathrin/coatomer_adapt-like_N
IPR003164 Clathrin_a-adaptin_app_sub_C
IPR008152 Clathrin_a/b/g-adaptin_app_Ig
IPR013041 Clathrin_app_Ig-like_sf
IPR009028 Coatomer/calthrin_app_sub_C
IPR012295 TBP_dom_sf
PfamiView protein in Pfam
PF01602 Adaptin_N, 1 hit
PF02296 Alpha_adaptin_C, 1 hit
PF02883 Alpha_adaptinC2, 1 hit
PIRSFiPIRSF037091 AP2_complex_alpha, 1 hit
SMARTiView protein in SMART
SM00809 Alpha_adaptinC2, 1 hit
SUPFAMiSSF48371 SSF48371, 1 hit
SSF49348 SSF49348, 1 hit
SSF55711 SSF55711, 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 nameiQ66HM2_RAT
<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: Q66HM2
<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/TrEMBL: October 11, 2004
Last sequence update: October 11, 2004
Last modified: February 26, 2020
This is version 144 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 statusiUnreviewed (UniProtKB/TrEMBL)

<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-structureCombined sources, Proteomics identificationCombined sources, Reference proteomeImported
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