C3a (complement)

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C3a is a one of the elements formed by the cleavage of complement component 3.

C3a plays an important role in chemotaxis, though not as important a role as C5a.^[1]

It is also an anaphylatoxin.

[edit] References

[edit] External links

• http://www.merck.com/mmpe/sec13/ch163/ch163d.html

v • d • e Proteins: complement system (C, L, A) Activators CLA: C3-convertase - C5-convertase - MAC (C6, C7, C8, C9) - L: Mannan-binding lectin - A: Factor P/Properdin Enzymes C: C1Q/C1R/C1S - C4 (C4a) - C2 - CLA: C3 (C3a, C3b/iC3b) - C5 (C5a) - L: MASP1 - MASP2 - A: Complement factor B - Factor D Inhibitors CLA: C1-inhibitor - Decay accelerating factor - Factor I - CL: C4BP - A: Factor H Complement receptors CR1 - CR2 - CR3 - CR4 - CD11b/CD11c/CD18 - Anaphylatoxin (C3a, C5a)