+-COMP:N-N(of)-+    
     +MOD_ATT+SUBJ:V-N+OBJ:V-+        +MOD_A+    
     |       |        |      |        |     |    
 __NODE__ protein mediates death of KK124 cells .
MOD_ATT:N-ADJ (protein,__NODE__)
SUBJ:V-N (mediate,protein)
OBJ:V-N (mediate,death)
COMP:N-N(of) (death,cell)
MOD_ATT:N-N (cell,KK124)