+------COMP:V_PASS-N(In)------+                              
      |         +MOD_ATT+SUBJ:V_PASS+COMP:V_PASS+COMP:N-N(of)+     
      |         |       |           |           |            |     
 In liver , __NODE__ protein is involved in synthesis of __NODE__ .
MOD_ATT:N-ADJ (protein,__NODE__)
COMP:V_PASS-N(In) (involve,liver)
SUBJ:V_PASS-N (involve,protein)
COMP:V_PASS-N(in) (involve,synthesis)
COMP:N-N(of) (synthesis,__NODE__)