iDrugBank

Complement C2a

MESHD050678

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).

Synonyms

  • C2a, Complement
  • C2a Complement
  • Complement, C2a
  • Complement 2a
  • Complement C2 Fragment a
  • Complement C2a Fragment
  • C2a Fragment, Complement

Source last updated 2026-05-24T15:25:04.520Z