Name: | Complement C4b |
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Description: | The large fragment formed when COMPLEMENT C4 is cleaved by COMPLEMENT C1S. The membrane-bound C4b binds COMPLEMENT C2A, a SERINE PROTEASE, to form C4b2a (CLASSICAL PATHWAY C3 CONVERTASE) and subsequent C4b2a3b (CLASSICAL PATHWAY C5 CONVERTASE). |
Synonyms: |
Component 4b, Complement; Complement, C4b; Complement 4b; C4b, Complement; C4b Complement; Complement Component 4b
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