+-------MOD_ATT:N-N------+        +-------OBJ:V-N-------+-------COMP:N-N(of)-------+     
 |     +---MOD_ATT:N-ADJ--+        |      +--MOD_ATT:N-N-+          +-MOD_ATT:N-ADJ-+     
 |     |         +MOD_ATT:+SUBJ:V-N+      |     +MOD_ATT:+          |       +MOD_ATT+     
 |     |         |        |        |      |     |        |          |       |       |     
 V __NODE__ [__NODE__] protein decreases ion channel activity of __SP__ __NODE__ protein .
MOD_ATT:N-N (protein,V)
MOD_ATT:N-ADJ (protein,__NODE__)
MOD_ATT:N-N (protein,[__NODE__])
SUBJ:V-N (decrease,protein)
OBJ:V-N (decrease,activity)
MOD_ATT:N-N (activity,ion)
MOD_ATT:N-N (activity,channel)
COMP:N-N(of) (activity,protein)
MOD_ATT:N-ADJ (protein,__SP__)
MOD_ATT:N-ADJ (protein,__NODE__)