+-------COMP:N-N(of)-------+   
                             |           +-MOD_ATT:N-ADJ+   
     +SUBJ:V_PASS+COMP:V_PASS+           |       +MOD_AT+   
     |           |           |           |       |      |   
 __NODE__ is involved in synthesis of __SP__ __NODE__ mRNA .
SUBJ:V_PASS-N (involve,__NODE__)
COMP:V_PASS-N(in) (involve,synthesis)
COMP:N-N(of) (synthesis,mRNA)
MOD_ATT:N-ADJ (mRNA,__SP__)
MOD_ATT:N-ADJ (mRNA,__NODE__)