+------------COMP:ADJ-N(for)-----------+      
                         |            +-------MOD_ATT:N-N-------+      
                         |            |          +-MOD_ATT:N-ADJ+      
     +MOD_ATT+MOD_PRED:N-+            |          |     +MOD_ATT:+      
     |       |           |            |          |     |        |      
 __NODE__ protein is necessary for release of active Srebp protein(s) .
MOD_ATT:N-ADJ (protein,__NODE__)
MOD_PRED:N-ADJ (protein,necessary)
COMP:ADJ-N(for) (necessary,protein(s))
MOD_ATT:N-N (protein(s),release)
MOD_ATT:N-ADJ (protein(s),active)
MOD_ATT:N-N (protein(s),Srebp)