+--------MOD_ATT:N-N-------+                                                  
        |          +-MOD_ATT:N-ADJ-+                   +----COMP:N-N(of)---+          
        |          |       +MOD_ATT+SUBJ:V-N+--OBJ:V-N-+           +MOD_ATT+          
        |          |       |       |        |          |           |       |          
 Constitutively active __NODE__ protein decreases activation of __SP__ __NODE__ gene .
MOD_ATT:N-N (protein,constitutively)
MOD_ATT:N-ADJ (protein,active)
MOD_ATT:N-ADJ (protein,__NODE__)
SUBJ:V-N (decrease,protein)
OBJ:V-N (decrease,activation)
COMP:N-N(of) (activation,__NODE__)
MOD_ATT:N-ADJ (__NODE__,__SP__)