Gene Gene information from NCBI Gene database.
Entrez ID 1134
Gene name Cholinergic receptor nicotinic alpha 1 subunit
Gene symbol CHRNA1
Synonyms (NCBI Gene)
ACHRAACHRDCHRNACMS1ACMS1BCMS2AFCCMSSCCMS
Chromosome 2
Chromosome location 2q31.1
Summary The muscle acetylcholine receptor consiststs of 5 subunits of 4 different types: 2 alpha subunits and 1 each of the beta, gamma, and delta subunits. This gene encodes an alpha subunit that plays a role in acetlycholine binding/channel gating. Alternativel
SNPs SNP information provided by dbSNP.
28
SNP ID Visualize variation Clinical significance Consequence
rs137852798 G>A,C,T Uncertain-significance, pathogenic Synonymous variant, coding sequence variant, missense variant
rs137852799 C>A,G,T Pathogenic Coding sequence variant, missense variant
rs137852800 G>A Pathogenic Coding sequence variant, missense variant
rs137852801 C>T Pathogenic Coding sequence variant, missense variant
rs137852802 C>A Pathogenic Coding sequence variant, missense variant
miRNA miRNA information provided by mirtarbase database.
22
miRTarBase ID miRNA Experiments Reference
MIRT891681 hsa-miR-3646 CLIP-seq
MIRT891682 hsa-miR-875-3p CLIP-seq
MIRT2200384 hsa-miR-3922-5p CLIP-seq
MIRT2200385 hsa-miR-4753-5p CLIP-seq
MIRT2447005 hsa-miR-3194-3p CLIP-seq
Transcription factors Transcription factors information provided by TRRUST V2 database.
1
Transcription factor Regulation Reference
AIRE Unknown 17687331
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
68
GO ID Ontology Definition Evidence Reference
GO:0003009 Process Skeletal muscle contraction IBA
GO:0003009 Process Skeletal muscle contraction IEA
GO:0003009 Process Skeletal muscle contraction IMP 8872460
GO:0004888 Function Transmembrane signaling receptor activity IEA
GO:0005216 Function Monoatomic ion channel activity IEA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
100690 1955 ENSG00000138435
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P02708
Protein name Acetylcholine receptor subunit alpha
Protein function [Isoform 1]: Upon acetylcholine binding, 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. ; [
PDB 4ZJS , 5HBT
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF02931 Neur_chan_LBD 24 79 Neurotransmitter-gated ion-channel ligand binding domain Family
PF02931 Neur_chan_LBD 97 256 Neurotransmitter-gated ion-channel ligand binding domain Family
PF02932 Neur_chan_memb 263 403 Neurotransmitter-gated ion-channel transmembrane region Family
PF02932 Neur_chan_memb 394 471 Neurotransmitter-gated ion-channel transmembrane region Family
Tissue specificity TISSUE SPECIFICITY: Isoform 1 is only expressed in skeletal muscle. Isoform 2 is constitutively expressed in skeletal muscle, brain, heart, kidney, liver, lung and thymus.
Sequence
Sequence length 482
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Virion - Ebolavirus, Lyssavirus and Morbillivirus
Neuroactive ligand-receptor interaction
  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
Autism Likely pathogenic; Pathogenic rs768407867 RCV000679850
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Centronuclear myopathy Likely pathogenic; Pathogenic rs768407867 RCV004586756
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Congenital myasthenic syndrome Likely pathogenic; Pathogenic rs1574007436 RCV000825633
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Congenital myasthenic syndrome 1A Likely pathogenic; Pathogenic rs2105350715, rs137852798, rs137852800, rs137852801, rs137852802, rs137852808, rs1064793397 RCV004813177
RCV000020044
RCV000020046
RCV000020047
RCV000020048
View all (2 more)
★★★★★
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
AUTISTIC DISORDER Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Autosomal recessive multiple pterygium syndrome Benign; Conflicting classifications of pathogenicity ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CHRNA1-Related Congenital Myasthenic Syndrome Uncertain significance ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CHRNA1-related disorder Likely benign; Uncertain significance; Conflicting classifications of pathogenicity ClinVar
★★☆☆☆
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
Akinesia Akinesia HPO_DG
★☆☆☆☆
Found in Text Mining only
Aplasia of muscle Aplasia Of Muscle HPO_DG
★☆☆☆☆
Found in Text Mining only
Arthrogryposis Arthrogryposis multiplex congenita HPO_DG
★☆☆☆☆
Found in Text Mining only
Autistic Disorder Autism CLINVAR_DG
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Blepharoptosis Ptosis HPO_DG
★☆☆☆☆
Found in Text Mining only
Bulbar palsy Bulbar palsy HPO_DG
★☆☆☆☆
Found in Text Mining only
Byzanthine arch palate High palate HPO_DG
★☆☆☆☆
Found in Text Mining only
Carcinoma of lung Lung carcinoma BEFREE 19005185, 19010884, 20234319, 23094028, 23232035
★☆☆☆☆
Found in Text Mining only
Chronic Obstructive Airway Disease Chronic Obstructive Pulmonary Disease BEFREE 22176972, 23255854
★☆☆☆☆
Found in Text Mining only
Cirrhosis Cirrhosis CTD_human_DG 19690163
★☆☆☆☆
Found in Text Mining only