Serum peptides derived from certain cleaved COMPLEMENT PROTEINS during COMPLEMENT ACTIVATION. They induce smooth MUSCLE CONTRACTION; mast cell HISTAMINE RELEASE; PLATELET AGGREGATION; and act as mediators of the local inflammatory process. The order of anaphylatoxin activity from the strongest to the weakest is C5a, C3a, C4a, and C5a des-arginine.

Synonyms: 0, Anaphylatoxins, Anaphylatoxin

Instance information

comment

90; was see under PEPTIDES 1977-89 ,90(77); was see under PEPTIDES 1977-89

identifier

D000706

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