5-HT2A receptor
The 5-HT2A receptor is a subtype of the 5-HT2 receptor that belongs to the serotonin receptor family and is a G protein-coupled receptor ( GPCR ) . 
<triplet> 5-HT2A receptor <subj> serotonin receptor <obj> subclass of <triplet> 5-HT2 receptor <subj> serotonin receptor <obj> subclass of