+---------COMP:V-N(In)--------+         +-----COMP:N-N(of)----+      
          |            +MOD_ATT+SUBJ:V-N+-OBJ:V-N-+           +MOD_ATT:N+      
          |            |       |        |         |           |         |      
 In mitochondria , __NODE__ protein increases activity of __NODE__ protein(s) .
MOD_ATT:N-ADJ (protein,__NODE__)
COMP:V-N(In) (increase,mitochondrion)
SUBJ:V-N (increase,protein)
OBJ:V-N (increase,activity)
COMP:N-N(of) (activity,protein(s))
MOD_ATT:N-ADJ (protein(s),__NODE__)