obsolete complement component C1s activity (obsolete GO:0003816)
OBSOLETE. Catalysis of the cleavage of component C4 to C4a and C4b (Arg-Ala bond), and component C2 to C2a and C2b (Lys-Lys or Arg-Lys bond).
C1 esterase activity
related
C1s esterase activity
related
activated complement C1s
related
complement C1s
related
complement component C1s activity
exact
complement subcomponent C1s
related