cl00032: ANATO Superfamily (this model, PSSM-Id:381765 is obsolete and has been replaced by 469586)
Anaphylatoxin homologous domain; C3a, C4a and C5a anaphylatoxins are protein fragments generated enzymatically in serum during activation of complement molecules C3, C4, and C5. They induce smooth muscle contraction. These fragments are homologous to repeats in fibulins.
Jiyao W et al.(2023). "The conserved domain database in 2023.",