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Complement C5b MeSH Descriptor Data 2023

MeSH Heading
Complement C5b
Tree Number(s)
Unique ID
RDF Unique Identifier
Scope Note
The larger fragment generated from the cleavage of C5 by C5 CONVERTASE that yields COMPLEMENT C5A and C5b (beta chain + alpha' chain, the residual alpha chain, bound by disulfide bond). C5b remains bound to the membrane and initiates the spontaneous assembly of the late complement components to form C5b-8-poly-C9, the MEMBRANE ATTACK COMPLEX.
Entry Term(s)
C5b Complement
Complement 5b
Complement Component 5b
Pharm Action
Immunologic Factors
Registry Number
CAS Type 1 Name
Complement C 5b
Public MeSH Note
2006; COMPLEMENT C5B was indexed under COMPLEMENT 5 1982-2005
History Note
2006 (1982)
Date Established
Date of Entry
Revision Date
Complement C5b Preferred
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