+MOD_ATT:N-+-----------COMP:V-N(In)-----------+          +----COMP:N-N(of)----+     
        |    +MOD_A+            +MOD_ATT:N-AD+SUBJ:V-N+--OBJ:V-N-+            +MOD_ATT+     
        |    |     |            |            |        |          |            |       |     
 In a cell free system , polyunsaturated __NODE__ decreases activation of __NODE__ protein .
MOD_ATT:N-N (system,cell)
MOD_ATT:N-ADJ (system,free)
MOD_ATT:N-ADJ (__NODE__,polyunsaturated)
COMP:V-N(In) (decrease,system)
SUBJ:V-N (decrease,__NODE__)
OBJ:V-N (decrease,activation)
COMP:N-N(of) (activation,protein)
MOD_ATT:N-ADJ (protein,__NODE__)