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CHRNB3
HPA
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  • CHRNB3
PROTEIN SUMMARY GENE INFORMATION RNA DATA ANTIBODY DATA
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

CHRNB3
Synonyms
Gene descriptioni

Full gene name according to HGNC.

Cholinergic receptor nicotinic beta 3 subunit
Protein classi

Assigned HPA protein class(es) for the encoded protein(s).

FDA approved drug targets
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Membrane, Intracellular
Protein evidence Evidence at protein level (all genes)
GENE INFORMATIONi

Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.

Chromosome 8
Cytoband p11.21
Chromosome location (bp) 42697366 - 42737407
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

2
Ensembl ENSG00000147432 (version 109)
Entrez gene 1142
HGNC HGNC:1963
UniProt Q05901 (UniProt - Evidence at protein level)
neXtProt NX_Q05901
GeneCards CHRNB3
Antibodypedia CHRNB3 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

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.... show less
Molecular function (UniProt)i

Keywords assigned by UniProt to proteins due to their particular molecular function.

Ion channel, Ligand-gated ion channel, Receptor
Biological process (UniProt)i

Keywords assigned by UniProt to proteins because they are involved in a particular biological process.

Ion transport, Transport
Gene summary (Entrez)i

Useful information about the gene from Entrez

The nicotinic acetylcholine receptors (nAChRs) are members of a superfamily of ligand-gated ion channels that mediate fast signal transmission at synapses. The nAChRs are (hetero)pentamers composed of homologous subunits. The subunits that make up the muscle and neuronal forms of nAChRs are encoded by separate genes and have different primary structure. There are several subtypes of neuronal nAChRs that vary based on which homologous subunits are arranged around the central channel. They are classified as alpha-subunits if, like muscle alpha-1 (MIM 100690), they have a pair of adjacent cysteines as part of the presumed acetylcholine binding site. Subunits lacking these cysteine residues are classified as beta-subunits (Groot Kormelink and Luyten, 1997). Elliott et al. (1996) [PubMed 8906617] stated that the proposed structure for each subunit is a conserved N-terminal extracellular domain followed by 3 conserved transmembrane domains, a variable cytoplasmic loop, a fourth conserved transmembrane domain, and a short C-terminal extracellular region.[supplied by OMIM, Apr 2010]... show less
PROTEIN INFORMATIONi

The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.

The Splice variant identifier links to the Ensembl website protein summary for the selected splice variant. The data in the Swissprot and TrEMBL columns links to corresponding pages in the UniProt database.

The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.

The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide and number of predicted transmembrane region(s) according to in-house majority decision methods based on sets of predictors are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
CHRNB3-201
ENSP00000289957
ENST00000289957
Q05901
[Direct mapping] Neuronal acetylcholine receptor subunit beta-3
Show all
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   4TM proteins predicted by MDM
FDA approved drug targets
   Small molecule drugs
Mapped to neXtProt
   neXtProt - Evidence at transcript level
   DeepTMHMM predicted membrane proteins
Show all
GO:0004888 [transmembrane signaling receptor activity]
GO:0005216 [ion channel activity]
GO:0005230 [extracellular ligand-gated ion channel activity]
GO:0005231 [excitatory extracellular ligand-gated ion channel activity]
GO:0005886 [plasma membrane]
GO:0005892 [acetylcholine-gated channel complex]
GO:0006811 [ion transport]
GO:0007165 [signal transduction]
GO:0007268 [chemical synaptic transmission]
GO:0007271 [synaptic transmission, cholinergic]
GO:0015267 [channel activity]
GO:0015464 [acetylcholine receptor activity]
GO:0016020 [membrane]
GO:0016021 [integral component of membrane]
GO:0022848 [acetylcholine-gated cation-selective channel activity]
GO:0030594 [neurotransmitter receptor activity]
GO:0032991 [protein-containing complex]
GO:0034220 [ion transmembrane transport]
GO:0035094 [response to nicotine]
GO:0042166 [acetylcholine binding]
GO:0042391 [regulation of membrane potential]
GO:0043005 [neuron projection]
GO:0045202 [synapse]
GO:0045211 [postsynaptic membrane]
GO:0050877 [nervous system process]
GO:0060078 [regulation of postsynaptic membrane potential]
GO:0060079 [excitatory postsynaptic potential]
GO:0098691 [dopaminergic synapse]
GO:0098793 [presynapse]
GO:0099171 [presynaptic modulation of chemical synaptic transmission]
GO:0110165 [cellular anatomical entity]
GO:1901363 [heterocyclic compound binding]
GO:1904315 [transmitter-gated ion channel activity involved in regulation of postsynaptic membrane potential]
Show all
458 aa
52.7 kDa
Yes 4
CHRNB3-203
ENSP00000433913
ENST00000534391
A0A1D5RMT8
[Direct mapping] Neuronal acetylcholine receptor subunit beta-3
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Show all
9 aa
1.1 kDa
No 0

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