Amino Acids, Peptides, and ProteinsAmino AcidsReceptors, TachykininAmino Acid SequenceAnhydridesTachykininsMolecular Sequence DataReceptors, Neurokinin-2Neurokinin AReceptors, Neurokinin-3Receptors, Neurokinin-1Neurokinin-1 Receptor AntagonistsSubstance PGTP PyrophosphokinaseProteinsNeurokinin BSequence Homology, Amino AcidQuinuclidinesReceptors, NeurotransmitterAmino Acid SubstitutionPosition-Specific Scoring MatricesPiperidinesPhysalaeminCloning, MolecularSequence Alignment