Gene Information
Gene NameCHRNA3
OrganismHomo sapiens (Human)
Gene Length505
Protein NamesNeuronal acetylcholine receptor subunit alpha-3
Target Nameneuronal acetylcholine (nach) receptor subunits
Target TypeNA
Gene Age886 ( ENSG00000080644 )
Evolutionary StageEumetazoa
AlphaFoldDBP32297
Gene CardCHRNA3
Uniprot IDP32297
PfamPF02931; PF02932
In ASDyes
Allosteric Predictionyes (0.999986525)
Ortholog in AnimalsAlpaca_ CHRNA3 ( ortholog_one2one )
Dog_ CHRNA3 ( ortholog_one2one )
GuineaPig_ CHRNA3 ( ortholog_one2one )
Macaque_ CHRNA3 ( ortholog_one2one )
Mouse_ Chrna3 ( ortholog_one2one )
Pig_ CHRNA3 ( ortholog_one2one )
Rat_ Chrna3 ( ortholog_one2one )
Rabbit_ CHRNA3 ( ortholog_one2one )
OhnologsCHRNA4, CHRNA2, CHRNA6, CHRNB2
ParalogsCHRNB1, GABRR2, CHRNA6, CHRNB4, CHRNA4, GABRQ, HTR3E, CHRNA1, 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
Tissueadrenal.gland, brain, sigmoid.colon
Tissue SpecificityNA
Pharmacological Animal ModelsNULL(Chimpanzee);0.001000(Mouse);NULL(Rat);NULL(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 4ZK4  (X-ray  1.90A  5SYO  (X-ray  2.00A  5TVC  (X-ray  1.93A  6PV7  (EM  3.34A  6PV8  (EM  3.87A 
DBSNP rs8192475 
Subcellular location [CC]Postsynaptic cell membrane;
Multi-pass membrane protein. Cell membrane {ECO:0000269|PubMed:31708116};
Multi-pass membrane protein.
Mouse PG classificationNA
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