+-MOD_PRED:N-ADJ+                                                           
     +MOD_ATT+        +MOD:AD+COMP:ADJ-N(for)+-COMP:N-N(of)+                             
     |       |        |      |               |             |                             
 __NODE__ protein is not necessary for localization of __NODE__ to mitochondrial matrix .
MOD_ATT:N-ADJ (protein,__NODE__)
MOD_PRED:N-ADJ (protein,necessary)
MOD:ADJ-ADV (necessary,not)
COMP:ADJ-N(for) (necessary,localization)
COMP:N-N(of) (localization,__NODE__)