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 +
 D12.776.543.750.705 Receptors, Immunologic D011971 +
 D12.776.543.750.810 Receptors, Purinergic D011983 +
 D12.776.543.750.850 Receptors, Transferrin D011990 +
 D12.776.543.750.925 Receptors, Virus D011991 +
 D12.776.543.750.050 Autoreceptors D017660 
 D12.776.543.750.720 Receptors, Neurotransmitter D017981 +
 D12.776.543.750.600 Receptors, Biogenic Amine D017982 +
 D12.776.543.750.750 Receptors, Peptide D018000 +
 D12.776.543.750.735 Receptors, Odorant D018035 
 D12.776.543.750.075 Receptors, Eicosanoid D018055 +
 D12.776.543.750.710 Receptors, Lipoprotein D018110 +
 D12.776.543.750.325 Receptor Protein-Tyrosine Kinases D020794 +
 D12.776.543.750.187 Receptors, N-Acetylglucosamine D034781 
 D12.776.543.750.024 Asialoglycoprotein Receptor D037263 
 D12.776.543.750.650 Receptors, Collagen D038981 +
 D12.776.543.750.152 Neuropilins D039921 +
 D12.776.543.750.100 Receptors, G-Protein-Coupled D043562 +
 D12.776.543.750.775 Receptors, Pheromone D043563 
 D12.776.543.750.792 Receptors, Proteinase-Activated D044462 +