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 +
 D12.776.543.750.720.600 Receptors, Neuropeptide D018013 +
 D12.776.543.750.720.600.830 Receptors, Tachykinin D018039 +
 D12.776.543.750.720.600.830.500 Receptors, Neurokinin-1 D018040 
 D12.776.543.750.720.600.830.540 Receptors, Neurokinin-2 D018041 
 D12.776.543.750.720.600.830.580 Receptors, Neurokinin-3 D018042