+-----------SUBJ:V-N----------+          +--------COMP:N-N(of)-------+    
      +----COMP:N-N(of)----+        |          |             +MOD_ATT:N-ADJ+    
      |            +MOD_ATT+        +--OBJ:V-N-+             |       +MOD_A+    
      |            |       |        |          |             |       |     |    
 Activation of __NODE__ protein increases respiration of skeletal muscle cells .
COMP:N-N(of) (activation,protein)
MOD_ATT:N-ADJ (protein,__NODE__)
SUBJ:V-N (increase,activation)
OBJ:V-N (increase,respiration)
COMP:N-N(of) (respiration,cell)
MOD_ATT:N-ADJ (cell,skeletal)
MOD_ATT:N-N (cell,muscle)