+----------COMP:V_PASS-N(In)---------+              +-------COMP:N-N(of)-------+   
                  |        +-MOD_ATT:N-ADJ-+           |              |           +-MOD_ATT:N-ADJ+   
         +MOD_ATT:+        |       +MOD_ATT+MOD_PRED:N-+COMP:ADJ-N(for+           |       +MOD_AT+   
         |        |        |       |       |           |              |           |       |      |   
 In pancreatic islets , __SP__ __NODE__ protein is necessary for expression of __SP__ __NODE__ mRNA .
MOD_ATT:N-ADJ (islet,pancreatic)
MOD_ATT:N-ADJ (protein,__SP__)
MOD_ATT:N-ADJ (protein,__NODE__)
MOD_PRED:N-ADJ (protein,necessary)
COMP:V_PASS-N(In) (necessary,islet)
COMP:ADJ-N(for) (necessary,expression)
COMP:N-N(of) (expression,mRNA)
MOD_ATT:N-ADJ (mRNA,__SP__)
MOD_ATT:N-ADJ (mRNA,__NODE__)