Gene Gene information from NCBI Gene database.
Entrez ID 1135
Gene name Cholinergic receptor nicotinic alpha 2 subunit
Gene symbol CHRNA2
Synonyms (NCBI Gene)
-
Chromosome 8
Chromosome location 8p21.2
Summary Nicotinic acetylcholine receptors (nAChRs) are ligand-gated ion channels formed by a pentameric arrangement of alpha and beta subunits to create distinct muscle and neuronal receptors. Neuronal receptors are found throughout the peripheral and central ner
SNPs SNP information provided by dbSNP.
13
SNP ID Visualize variation Clinical significance Consequence
rs74772771 G>A,C Conflicting-interpretations-of-pathogenicity Coding sequence variant, missense variant, 5 prime UTR variant
rs76140563 G>A Conflicting-interpretations-of-pathogenicity, likely-benign Coding sequence variant, synonymous variant
rs77710085 C>T Conflicting-interpretations-of-pathogenicity, likely-benign Coding sequence variant, missense variant
rs104894063 A>T Pathogenic Coding sequence variant, missense variant
rs138682847 C>T Uncertain-significance, likely-benign, conflicting-interpretations-of-pathogenicity Missense variant, coding sequence variant, 5 prime UTR variant
miRNA miRNA information provided by mirtarbase database.
99
miRTarBase ID miRNA Experiments Reference
MIRT025736 hsa-miR-7-5p Microarray 17612493
MIRT891683 hsa-miR-105 CLIP-seq
MIRT891684 hsa-miR-1224-3p CLIP-seq
MIRT891685 hsa-miR-1233 CLIP-seq
MIRT891686 hsa-miR-1260 CLIP-seq
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
49
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:0005654 Component Nucleoplasm IDA
GO:0005886 Component Plasma membrane IBA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
118502 1956 ENSG00000120903
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q15822
Protein name Neuronal acetylcholine receptor subunit alpha-2 (Nicotinic acetylcholine receptor subunit alpha-2)
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 5FJV
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF02931 Neur_chan_LBD 59 265 Neurotransmitter-gated ion-channel ligand binding domain Family
PF02932 Neur_chan_memb 272 520 Neurotransmitter-gated ion-channel transmembrane region Family
Sequence
Sequence length 529
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Neuroactive ligand-receptor interaction   Highly calcium permeable postsynaptic nicotinic acetylcholine receptors
Highly calcium permeable nicotinic acetylcholine receptors
Associated diseases Disease associations from ClinVar categorized as Causal (Pathogenic/Likely Pathogenic) or Unknown.
757
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Autosomal dominant nocturnal frontal lobe epilepsy 4 Pathogenic rs104894063, rs1554514507 RCV000019056
RCV000625720
Unknown Diseases with uncertain, conflicting, or no pathogenic evidence in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession
Autosomal dominant nocturnal frontal lobe epilepsy Uncertain significance; Conflicting classifications of pathogenicity; Likely benign; Benign rs1563315936, rs1812553075, rs138721954, rs1179640861, rs774054592, rs1332347946, rs1812601639, rs769273715, rs772750196, rs1812797993, rs1812814993, rs199810678, rs548268816, rs1812823861, rs1812863482
View all (482 more)
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Benign familial infantile epilepsy Uncertain significance rs2490532967 RCV005356457
CHRNA2-related disorder Likely benign; Conflicting classifications of pathogenicity; Uncertain significance; Benign rs1812566372, rs564532686, rs56344740, rs1328911807, rs143223159, rs77710085, rs146751925, rs140350483, rs150112824, rs541282922, rs759595350, rs376970816, rs796052307, rs2490558541, rs1812494361
View all (7 more)
RCV003965939
RCV003403654
RCV003905194
RCV004743664
RCV003937659
RCV003967466
RCV003947564
RCV003947563
RCV003977492
RCV003937658
RCV003416114
RCV003955121
RCV003947565
RCV004723458
RCV003931491
RCV003972571
RCV003912611
RCV003970224
RCV003902548
RCV003900369
RCV003965590
RCV003903253
Familial sleep-related hypermotor epilepsy Benign; Conflicting classifications of pathogenicity; Uncertain significance; Likely benign rs139680977, rs150699126, rs1554517018, rs886062854, rs139814974, rs199764226, rs796623573, rs3138834, rs151214233, rs1554517016, rs570954015, rs146191907 RCV000361630
RCV000389425
RCV000341532
RCV000279395
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RCV000301535
RCV000292264
RCV000330017
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RCV000279586
RCV000338120
RCV000340145
RCV000400528
RCV000336061
RCV000391519
Associations from Text MiningDisease associations identified through Pubtator
Disease Name Relationship Type References
Autistic Disorder Associate 39596607
Autosomal Dominant Nocturnal Frontal Lobe Epilepsy Associate 17900292, 25770198, 25847220
Carcinoma Mucoepidermoid Associate 25823930
Cardiovascular Diseases Associate 34040693
Epilepsies Partial Associate 16826524
Epilepsy Associate 25847220, 37095367
Epilepsy Frontal Lobe Associate 25770198
Epilepsy Nocturnal Frontal Lobe Type 1 Associate 25847220
Epileptic Syndromes Associate 16826524
Lung Neoplasms Associate 29924316