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 +
 D12.776.543.750.750 Receptors, Peptide D018000 +
 D12.776.543.750.750.130 Receptors, Angiotensin D011945 +
 D12.776.543.750.750.360 Receptors, Gastrointestinal Hormone D011964 +
 D12.776.543.750.750.660 Receptors, Pituitary Hormone D011979 +
 D12.776.543.750.750.100 Receptors, Albumin D017457 
 D12.776.543.750.750.160 Receptors, Atrial Natriuretic Factor D017461 
 D12.776.543.750.750.320 Receptors, Endothelin D017466 +
 D12.776.543.750.750.400 Receptors, Growth Factor D017978 +
 D12.776.543.750.750.200 Receptors, Calcitonin D018003 
 D12.776.543.750.750.460 Receptors, Invertebrate Peptide D018010 
 D12.776.543.750.750.555 Receptors, Neuropeptide D018013 +
 D12.776.543.750.750.600 Receptors, Parathyroid Hormone D018016 +
 D12.776.543.750.750.700 Receptors, Pituitary Hormone-Regulating Hormone D018017 +
 D12.776.543.750.750.580 Receptors, Pancreatic Hormone D018026 +
 D12.776.543.750.750.850 Receptors, Thrombin D018179 +
 D12.776.543.750.750.340 Receptors, Formyl Peptide D044042