Gene Information
Gene NameHTR3E
OrganismHomo sapiens (Human)
Gene Length456
Protein Names5-hydroxytryptamine receptor 3E (5-HT3-E) (5-HT3E) (Serotonin receptor 3E)
Target Name5-hydroxytryptamine 3 receptor
Target TypeNA
Gene Age78 ( ENSG00000186038 )
Evolutionary StageEumetazoa
AlphaFoldDBA5X5Y0
Gene CardHTR3E
Uniprot IDA5X5Y0
PfamPF02931; PF02932
In ASDno
Allosteric Predictionno (-0.175211159)
Ortholog in AnimalsAlpaca_ HTR3D ( ortholog_one2many )
Alpaca_ HTR3E ( ortholog_one2many )
Dog_ HTR3E ( ortholog_one2one )
Macaque_ HTR3E ( ortholog_one2one )
OhnologsNA
ParalogsCHRNB1, GABRR2, CHRNA6, CHRNB4, CHRNA4, GABRQ, CHRNA1, 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
TissueNA
Tissue SpecificityExpressed in adult colon and intestine. {ECO:0000269|PubMed:12801637, ECO:0000269|PubMed:14597179}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs7627615  rs13324468 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:17392525, ECO:0000269|PubMed:19012743};
Multi-pass membrane protein {ECO:0000269|PubMed:17392525, ECO:0000269|PubMed:19012743}. Note=Presumably retained within the endoplasmic reticulum unless complexed with HTR3A.
Mouse PG classificationNA
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