TLS Online TPP Program

#Question id: 15442


XIAP, one member of a family of inhibitor of apoptosis proteins (IAPs), provides another way to restrain both initiator and effector caspases; Find out the INCORRECT statements about this inhibitor-

#Unit 4. Cell Communication and Cell Signaling
  1. XIAP has three N-terminal BIR domains; 
  2.  BIR2 binds to and inhibits two effector caspases, caspase-3 and caspase-7
  3. BIR3 binds to and inhibits initiator caspase-9. 
  4. BIR 2 and BIR3 both inhibits casapase-9 only