Target intelligence / Profile preview

Complement component C3 convertase (C3 convertase)

Target
C3 convertase
Molecular classification
Enzyme, Serine protease, Heterodimeric complex, Enzyme complex
01

Overview

Complement component C3 convertase is a central enzyme complex in the complement system. It catalyzes the cleavage of complement protein C3 into C3a and C3b, leading to opsonization, inflammation, and further activation of the complement cascade. There are two main forms: C4b2a (classical/lectin pathway) and C3bBb (alternative pathway). Its activity is tightly regulated to prevent excessive complement activation.

Other names
C3-convertaseC3 convertase
02

Mechanism of action

Inhibition of C3 convertase activity, Stabilization of C3 convertase, Promoting dissociation/inactivation of C3 convertase

03

Biological functions

Complement activationOpsonizationInflammationImmune response amplificationProteolytic cleavage of C3
04

Disease associations

Infection susceptibilityAutoimmune diseasesInflammatory diseasesTissue damage
05

Safety considerations

Increased susceptibility to infectionsExcessive tissue damage

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