+-------COMP:N-N(of)------+      
  +SUBJ:V+---OBJ:V-N--+               +MOD_ATT:N+      
  |      |            |               |         |      
 PHK increases phosphorylation of __NODE__ protein(s) .
SUBJ:V-N (increase,PHK)
OBJ:V-N (increase,phosphorylation)
COMP:N-N(of) (phosphorylation,protein(s))
MOD_ATT:N-ADJ (protein(s),__NODE__)