All
 D12 Amino Acids, Peptides, and Proteins D000602 +
 D12.776 Proteins D011506 +
 D12.776.543 Membrane Proteins D008565 +
 D12.776.543.750 Receptors, Cell Surface D011956 +
 D12.776.543.750.720 Receptors, Neurotransmitter D017981 +
 D12.776.543.750.720.300 Receptors, Biogenic Amine D017982 +
 D12.776.543.750.720.300.800 Receptors, Serotonin D011985 +
 D12.776.543.750.720.300.800.200 Receptors, Serotonin, 5-HT2 D044348 +
 D12.776.543.750.720.300.800.200.100 Receptor, Serotonin, 5-HT2A D044402 
 D12.776.543.750.720.300.800.200.150 Receptor, Serotonin, 5-HT2B D044403 
 D12.776.543.750.720.300.800.200.200 Receptor, Serotonin, 5-HT2C D044405