Term Name: classical-complement-pathway C3/C5 convertase complex
Synonyms:
Definition: A heterodimeric protein complex that catalyzes the cleavage of complement components C3 and C5, and acts in the classical pathway of complement activation; consists of one monomer of C2a and one monomer of C4b; C2a is the catalytic subunit, but cannot catalyze cleavage alone.
Ontology: GO: Cellular Component [GO:0005601]    QuickGO    AmiGO

Relationships
is part of: extracellular space
is a type of: catalytic complex