Receptor, Anaphylatoxin C5aAnaphylatoxinsComplement C3aComplement C5aReceptors, ComplementAdenosineComplement C5a, des-ArginineComplement C5Receptor, Adenosine A2AComplement C3Receptor, Adenosine A1Complement C4aComplement ActivationAdenosine DeaminaseAntigens, CDReceptor, Adenosine A3Toxins, BiologicalReceptor, Adenosine A2BAdenosine KinaseAnaphylaxisReceptors, Adenosine A2Adenosine A2 Receptor AgonistsAdenosine A2 Receptor AntagonistsNeutrophilsReceptors, Purinergic P1Amino Acid SequenceAdenosine A1 Receptor AntagonistsMembrane ProteinsMolecular Sequence DataAdenosine A1 Receptor AgonistsRecombinant ProteinsComplement System ProteinsCells, CulturedLysine CarboxypeptidaseMice, Inbred C57BLPurinergic P1 Receptor AntagonistsComplement C4XanthinesPurinergic P1 Receptor AgonistsAdenosine MonophosphateTriprolidineHistamine ReleaseAdenosine-5'-(N-ethylcarboxamide)ImmunoelectrophoresisGuinea Pigs