+----COMP:N-N(of)---+     
     +MOD_ATT:N+SUBJ:V_PASS-+COMP:V_PAS+          +MOD_ATT:+     
     |         |            |          |          |        |     
 __NODE__ protein(s) is involved in storage of dietary __NODE__ .
MOD_ATT:N-ADJ (protein(s),__NODE__)
SUBJ:V_PASS-N (involve,protein(s))
COMP:V_PASS-N(in) (involve,storage)
COMP:N-N(of) (storage,__NODE__)
MOD_ATT:N-ADJ (__NODE__,dietary)