+-----------OBJ:V-N----------+              
      +-------COMP:V-N(In)-------+         +---MOD_ATT:N-ADJ--+              
      |         +MOD_ATT+SUBJ:V-N+         |        +MOD_ATT:N+              
      |         |       |        |         |        |         |              
 In heart , __NODE__ protein decreases systolic function of heart ventricle .
MOD_ATT:N-ADJ (protein,__NODE__)
COMP:V-N(In) (decrease,heart)
SUBJ:V-N (decrease,protein)
OBJ:V-N (decrease,heart)
MOD_ATT:N-ADJ (heart,systolic)
MOD_ATT:N-N (heart,function)