Activation of C1R
type: Restriction
  on property: BFO_0000066
  some values from: GO_0005886
type: GO_0004252
BFO_0000050: Classical antibody-mediated complement activation
directly activates: Activation of C1S
directly activates: Catalysis382

Activation of C1S
type: Restriction
  on property: BFO_0000066
  some values from: GO_0005886
type: GO_0004252
BFO_0000050: Classical antibody-mediated complement activation
directly activates: BiochemicalReaction1010
directly activates: Catalysis383

Classical antibody-mediated complement activation
type: GO_0008150