Gene Information
Gene NameCHRNA1
OrganismHomo sapiens (Human)
Gene Length457
Protein NamesAcetylcholine receptor subunit alpha
Target Nameneuronal acetylcholine receptor alpha-1
Target TypeSuccessful target
Gene Age645 ( ENSG00000138435 )
Evolutionary StageEumetazoa
AlphaFoldDBP02708
Gene CardCHRNA1
Uniprot IDP02708
PfamPF02931; PF02932
In ASDyes
Allosteric Predictionyes (1.118269983)
Ortholog in AnimalsAlpaca_ CHRNA1 ( ortholog_one2one )
Dog_ CHRNA1 ( ortholog_one2one )
GuineaPig_ CHRNA1 ( ortholog_one2one )
Macaque_ CHRNA1 ( ortholog_one2one )
Mouse_ Chrna1 ( ortholog_one2one )
Pig_ CHRNA1 ( ortholog_one2one )
Rat_ Chrna1 ( ortholog_one2one )
Rabbit_ CHRNA1 ( ortholog_one2one )
OhnologsNA
ParalogsCHRNB1, GABRR2, CHRNA6, CHRNB4, CHRNA4, GABRQ, HTR3E, CHRNA3, GABRA5, GLRA2, HTR3B, GLRA1, GABRG3, GABRA2, GABRB3, GABRP, HTR3C, HTR3D, GABRG1, CHRNA7, CHRFAM7A, GABRD, GABRR1, CHRNA5, GABRA6, GABRA4, GLRA3, GABRE, CHRNE, GABRG2, CHRND, CHRNA2, CHRNA10, CHRNA9, GABRA3, HTR3A, ZACN, CHRNB3, CHRNB2, CHRNG, GABRR3, GABRB2, GABRB1, GABRA1, GLRB
Tissueskeletal.muscle
Tissue SpecificityIsoform 1 is only expressed in skeletal muscle. Isoform 2 is constitutively expressed in skeletal muscle, brain, heart, kidney, liver, lung and thymus.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 4ZJS  (X-ray  2.23A  5HBT  (X-ray  2.61A 
DBSNP rs137852807  rs137852801  rs137852799  rs137852809  rs137852798  rs137852805  rs137852803  rs137852800  rs137852806  rs137852802  rs137852804  rs6739001  rs137852808 
Subcellular location [CC]Postsynaptic cell membrane {ECO:0000305|PubMed:27375219};
Multi-pass membrane protein {ECO:0000255}. Cell membrane {ECO:0000269|PubMed:27375219};
Multi-pass membrane protein {ECO:0000255}.
Mouse PG classificationNA
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