+-------COMP:N-N(of)-------+     
              +---COMP:V-N(In)---+         |          +-MOD_ATT:N-ADJ-+     
       +MOD_AT+         +SUBJ:V-N+-OBJ:V-N-+          |       +MOD_ATT+     
       |      |         |        |         |          |       |       |     
 In __SP__ muscle , __NODE__ decreases activity of __SP__ __NODE__ protein .
MOD_ATT:N-ADJ (muscle,__SP__)
COMP:V-N(In) (decrease,muscle)
SUBJ:V-N (decrease,__NODE__)
OBJ:V-N (decrease,activity)
COMP:N-N(of) (activity,protein)
MOD_ATT:N-ADJ (protein,__SP__)
MOD_ATT:N-ADJ (protein,__NODE__)