Complement C2a [komplement C2a]

topical
Terms

C2a Complement
Complement 2a
Complement C2 Fragment a
Complement C2a Fragment

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Definition

The COOH-terminal fragment of COMPLEMENT 2, released by the action of activated COMPLEMENT C1S. It is a SERINE PROTEASE. C2a combines with COMPLEMENT C4B to form C4b2a (CLASSICAL PATHWAY C3 CONVERTASE) and subsequent C4b2a3b (CLASSICAL PATHWAY C5 CONVERTASE).

DUI
D050678 MeSH Browser
CUI
M0138655
History note
2006 (1986)
Public note
2006; COMPLEMENT C2A was indexed under COMPLEMENT 2 1986-2005