All
 D12 Amino Acids, Peptides, and Proteins D000602 +
 D12.776 Proteins D011506 +
 D12.776.641 Nerve Tissue Proteins D009419 +
 D12.776.641.650 Neuropeptides D009479 +
 D12.776.641.650.800 Tachykinins D015320 +
 D12.776.641.650.800.354 Eledoisin D004600 
 D12.776.641.650.800.625 Physalaemin D010803 
 D12.776.641.650.800.750 Substance P D013373 
 D12.776.641.650.800.475 Kassinin D015286 
 D12.776.641.650.800.550 Neurokinin B D015287 
 D12.776.641.650.800.500 Neurokinin A D015288