10.2 Plasma complement regulators Flashcards
1
Q
Dissociates C1r and C1s from C1q
A
C1 inhibitor (C1-INH)
2
Q
Cleaves C3b and C4b
A
Factor I
3
Q
Cofactor with I to inactivate C3b; prevents binding of B to C3b
A
Factor H
4
Q
Acts as a cofactor with I to Inactivate C4b
A
C4 binding protein (C4BP)
5
Q
Prevents attachment of the C5b67 complex to cell membrane
A
S protein (Vitronectin)