Skip Header

You are using a version of browser that may not display all the features of this website. Please consider upgrading your browser.
Entry version 143 (26 Feb 2020)
Sequence version 1 (01 Feb 1997)
Previous versions | rss
Help videoAdd a publicationFeedback
Protein

Acetylcholine receptor subunit alpha

Gene

chrna1

Organism
Danio rerio (Zebrafish) (Brachydanio rerio)
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 transcript leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the 'protein existence' evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

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

After binding acetylcholine, the AChR responds by an extensive change in conformation that affects all subunits and leads to opening of an ion-conducting channel across the plasma membrane.

<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 functionIon channel, Ligand-gated ion channel, Receptor
Biological processIon transport, Transport

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-DRE-629594 Highly calcium permeable postsynaptic nicotinic acetylcholine receptors
R-DRE-629597 Highly calcium permeable nicotinic acetylcholine receptors

<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:
Acetylcholine receptor subunit alpha
<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:chrna1
Synonyms:nic1
<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>OrganismiDanio rerio (Zebrafish) (Brachydanio rerio)
<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 identifieri7955 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiActinopterygiiNeopterygiiTeleosteiOstariophysiCypriniformesCyprinidaeDanio
<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
  • UP000000437 <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 6

Organism-specific databases

Zebrafish Information Network genome database

More...
ZFINi
ZDB-GENE-980526-137 chrna1

<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%5Flocation%5Fsection">'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 domaini21 – 230ExtracellularSequence analysisAdd BLAST210
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'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>Transmembranei231 – 255HelicalSequence analysisAdd BLAST25
Transmembranei263 – 281HelicalSequence analysisAdd BLAST19
Transmembranei297 – 316HelicalSequence analysisAdd BLAST20
Topological domaini317 – 428CytoplasmicSequence analysisAdd BLAST112
Transmembranei429 – 447HelicalSequence analysisAdd BLAST19

Keywords - Cellular componenti

Cell junction, Cell membrane, Membrane, Postsynaptic cell membrane, Synapse

<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 – 20By similarityAdd BLAST20
<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_000000030921 – 456Acetylcholine receptor subunit alphaAdd BLAST436

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 bondi148 ↔ 162By similarity
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">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>Glycosylationi161N-linked (GlcNAc...) asparagineSequence analysis1
Disulfide bondi212 ↔ 213Associated with receptor activationBy similarity

Keywords - PTMi

Disulfide bond, Glycoprotein

Proteomic databases

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

More...
PaxDbi
Q98880

<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
ENSDARG00000009021 Expressed in muscle tissue and 24 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
Q98880 baseline

<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

Pentamer of two alpha chains, and one each of the beta, delta, and gamma chains.

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
7955.ENSDARP00000021860

<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
Q98880

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

Keywords - Domaini

Signal, Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG3645 Eukaryota
ENOG410XQGR LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000156851

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_018074_1_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q98880

KEGG Orthology (KO)

More...
KOi
K04803

Identification of Orthologs from Complete Genome Data

More...
OMAi
STHIMPE

Database of Orthologous Groups

More...
OrthoDBi
381858at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q98880

TreeFam database of animal gene trees

More...
TreeFami
TF315605

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
2.70.170.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR006202 Neur_chan_lig-bd
IPR036734 Neur_chan_lig-bd_sf
IPR006201 Neur_channel
IPR036719 Neuro-gated_channel_TM_sf
IPR006029 Neurotrans-gated_channel_TM
IPR018000 Neurotransmitter_ion_chnl_CS
IPR002394 Nicotinic_acetylcholine_rcpt

The PANTHER Classification System

More...
PANTHERi
PTHR18945 PTHR18945, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF02931 Neur_chan_LBD, 1 hit
PF02932 Neur_chan_memb, 2 hits

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00254 NICOTINICR
PR00252 NRIONCHANNEL

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF63712 SSF63712, 1 hit
SSF90112 SSF90112, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00860 LIC, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00236 NEUROTR_ION_CHANNEL, 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.

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

Q98880-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MNYFILILPI LPYLYGPAVC SEDETRLVKT LFTGYNKVVR PVSHFKDPVV
60 70 80 90 100
VTVGLQLIQL ISVDEVNQIV TSNVRLKQQW KDVHLQWNPD DYGGIRKIRI
110 120 130 140 150
PSTDLWKPDL VLYNNADGDF AIVHETKVLL EHTGMITWTP PAIFKSYCEI
160 170 180 190 200
VVLHFPFDLQ NCSMKLGTWT YDGNLVIINP DSDRPDLSNF MESGEWVMKD
210 220 230 240 250
YRSWKHWVYY ACCPDTPYLD ITYHFLLLRL PLYFIVNVII PCMLFSFLTG
260 270 280 290 300
LVFYLPTDSG EKMTLSISVL LSLTVFLLVI VELIPSTSSA VPLIGKYMLF
310 320 330 340 350
TMIFVIASII ITVIVINTHH RSPSTHIMPA WVRKIFIDTI PNMMFFSTMK
360 370 380 390 400
RPSQERQEKR LFPADFDISD ISGKPMPASV TYHSPITKNP DVRSAIEGVK
410 420 430 440 450
YIADTMKSDE ESNNAAEEWK FVAMVLDHIL LCVFMAVCII GTLGVFAGRL

IELSML
Length:456
Mass (Da):52,100
Last modified:February 1, 1997 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i336825C5E358C6F3
GO

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

There is 1 potential isoform mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
E9QGW8E9QGW8_DANRE
Acetylcholine receptor subunit alph...
chrna1
152Annotation 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>

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
AH003668 Genomic DNA Translation: AAB09701.1
U70437 Genomic DNA Translation: AAB09770.1
U70438 mRNA Translation: AAB16917.1
BC081554 mRNA Translation: AAH81554.1

NCBI Reference Sequences

More...
RefSeqi
NP_571520.1, NM_131445.1

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSDART00000020261; ENSDARP00000021860; ENSDARG00000009021

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
30725

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
dre:30725

<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
AH003668 Genomic DNA Translation: AAB09701.1
U70437 Genomic DNA Translation: AAB09770.1
U70438 mRNA Translation: AAB16917.1
BC081554 mRNA Translation: AAH81554.1
RefSeqiNP_571520.1, NM_131445.1

3D structure databases

SMRiQ98880
ModBaseiSearch...

Protein-protein interaction databases

STRINGi7955.ENSDARP00000021860

Proteomic databases

PaxDbiQ98880

Genome annotation databases

EnsembliENSDART00000020261; ENSDARP00000021860; ENSDARG00000009021
GeneIDi30725
KEGGidre:30725

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
1134
ZFINiZDB-GENE-980526-137 chrna1

Phylogenomic databases

eggNOGiKOG3645 Eukaryota
ENOG410XQGR LUCA
GeneTreeiENSGT00940000156851
HOGENOMiCLU_018074_1_0_1
InParanoidiQ98880
KOiK04803
OMAiSTHIMPE
OrthoDBi381858at2759
PhylomeDBiQ98880
TreeFamiTF315605

Enzyme and pathway databases

ReactomeiR-DRE-629594 Highly calcium permeable postsynaptic nicotinic acetylcholine receptors
R-DRE-629597 Highly calcium permeable nicotinic acetylcholine receptors

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q98880

Gene expression databases

BgeeiENSDARG00000009021 Expressed in muscle tissue and 24 other tissues
ExpressionAtlasiQ98880 baseline

Family and domain databases

Gene3Di2.70.170.10, 1 hit
InterProiView protein in InterPro
IPR006202 Neur_chan_lig-bd
IPR036734 Neur_chan_lig-bd_sf
IPR006201 Neur_channel
IPR036719 Neuro-gated_channel_TM_sf
IPR006029 Neurotrans-gated_channel_TM
IPR018000 Neurotransmitter_ion_chnl_CS
IPR002394 Nicotinic_acetylcholine_rcpt
PANTHERiPTHR18945 PTHR18945, 1 hit
PfamiView protein in Pfam
PF02931 Neur_chan_LBD, 1 hit
PF02932 Neur_chan_memb, 2 hits
PRINTSiPR00254 NICOTINICR
PR00252 NRIONCHANNEL
SUPFAMiSSF63712 SSF63712, 1 hit
SSF90112 SSF90112, 1 hit
TIGRFAMsiTIGR00860 LIC, 1 hit
PROSITEiView protein in PROSITE
PS00236 NEUROTR_ION_CHANNEL, 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 nameiACHA_DANRE
<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: Q98880
<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 15, 1999
Last sequence update: February 1, 1997
Last modified: February 26, 2020
This is version 143 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

Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

We'd like to inform you that we have updated our Privacy Notice to comply with Europe’s new General Data Protection Regulation (GDPR) that applies since 25 May 2018.

Do not show this banner again