Gene Gene information from NCBI Gene database.
Entrez ID 1136
Gene name Cholinergic receptor nicotinic alpha 3 subunit
Gene symbol CHRNA3
Synonyms (NCBI Gene)
BAIPRCKLNCR2NACHRA3PAOD2
Chromosome 15
Chromosome location 15q25.1
Summary This locus encodes a member of the nicotinic acetylcholine receptor family of proteins. Members of this family of proteins form pentameric complexes comprised of both alpha and beta subunits. This locus encodes an alpha-type subunit, as it contains charac
SNPs SNP information provided by dbSNP.
5
SNP ID Visualize variation Clinical significance Consequence
rs578776 G>A,C Drug-response 3 prime UTR variant, intron variant
rs1051730 G>A Drug-response, risk-factor Non coding transcript variant, coding sequence variant, synonymous variant
rs199547652 A>C,G Pathogenic Splice donor variant
rs200551904 G>C Pathogenic Coding sequence variant, non coding transcript variant, stop gained
rs1596073421 GT>- Pathogenic Non coding transcript variant, coding sequence variant, frameshift variant
miRNA miRNA information provided by mirtarbase database.
64
miRTarBase ID miRNA Experiments Reference
MIRT891725 hsa-miR-1197 CLIP-seq
MIRT891726 hsa-miR-1206 CLIP-seq
MIRT891727 hsa-miR-1224-5p CLIP-seq
MIRT891728 hsa-miR-1294 CLIP-seq
MIRT891729 hsa-miR-129-5p CLIP-seq
Transcription factors Transcription factors information provided by TRRUST V2 database.
1
Transcription factor Regulation Reference
ASCL1 Unknown 20124469
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
64
GO ID Ontology Definition Evidence Reference
GO:0004888 Function Transmembrane signaling receptor activity IEA
GO:0005216 Function Monoatomic ion channel activity IEA
GO:0005230 Function Extracellular ligand-gated monoatomic ion channel activity IEA
GO:0005515 Function Protein binding IPI 26265139, 27344019
GO:0005730 Component Nucleolus IDA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
118503 1957 ENSG00000080644
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P32297
Protein name Neuronal acetylcholine receptor subunit alpha-3
Protein function Component of neuronal acetylcholine receptors (nAChRs) that function as pentameric, ligand-gated cation channels with high calcium permeability among other activities. nAChRs are excitatory neurotrasnmitter receptors formed by a collection of nA
PDB 4ZK4 , 5SYO , 5TVC , 6PV7 , 6PV8
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF02931 Neur_chan_LBD 35 241 Neurotransmitter-gated ion-channel ligand binding domain Family
PF02932 Neur_chan_memb 248 495 Neurotransmitter-gated ion-channel transmembrane region Family
Sequence
Sequence length 505
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Neuroactive ligand-receptor interaction
Cholinergic synapse
Chemical carcinogenesis - receptor activation
  Highly sodium permeable postsynaptic acetylcholine nicotinic receptors
Highly calcium permeable postsynaptic nicotinic acetylcholine receptors
Highly calcium permeable nicotinic acetylcholine receptors
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
35
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Amyotrophic lateral sclerosis Likely pathogenic rs2053207945, rs2053208751, rs2053501632, rs2053539304 RCV001095526
RCV001095527
RCV001095528
RCV001095529
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
SMOKING AS A QUANTITATIVE TRAIT LOCUS 3 Likely pathogenic rs2141325372 RCV001535888
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Urinary bladder, atony of Likely pathogenic; Pathogenic rs2141325372, rs2542813635, rs1596073421, rs200551904, rs199547652 RCV001535888
RCV002463880
RCV000993664
RCV000993665
RCV000993666
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
ANOREXIA NERVOSA GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
AORTIC ANEURYSM GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ATHEROSCLEROSIS GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ATTENTION DEFICIT HYPERACTIVITY DISORDER GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Adenocarcinoma of lung (disorder) Lung adenocarcinoma BEFREE 19223495, 24686516, 25233467
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma of lung (disorder) Lung adenocarcinoma GWASCAT_DG 19836008
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma of lung (disorder) Lung adenocarcinoma GWASDB_DG 19836008
★☆☆☆☆
Found in Text Mining only
alpha 1-Antitrypsin Deficiency Alpha 1-Antitrypsin Deficiency BEFREE 22356581
★☆☆☆☆
Found in Text Mining only
Alzheimer Disease Alzheimer disease Pubtator 28553097 Associate
★☆☆☆☆
Found in Text Mining only
Anxiety Anxiety disorder Pubtator 23689675 Associate
★☆☆☆☆
Found in Text Mining only
Asthma Asthma BEFREE 22017462, 27187070
★☆☆☆☆
Found in Text Mining only
Asthma Asthma Pubtator 27187070, 28873088 Associate
★☆☆☆☆
Found in Text Mining only
Attention deficit hyperactivity disorder Attention Deficit Hyperactivity Disorder BEFREE 23109089, 24375168, 27302872
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Autism Spectrum Disorders Autism Spectrum Disorder BEFREE 30498225
★☆☆☆☆
Found in Text Mining only