+----------COMP:N-N(of)----------+     
                              |           +-----MOD_ATT:N-N----+     
                              |           |    +-MOD_ATT:N-ADJ-+     
     +SUBJ:V_PASS+COMP:V_PASS-+           |    |      +MOD_ATT:+     
     |           |            |           |    |      |        |     
 __NODE__ is involved in proteolysis of SREBP 1A [__NODE__] protein .
SUBJ:V_PASS-N (involve,__NODE__)
COMP:V_PASS-N(in) (involve,proteolysis)
COMP:N-N(of) (proteolysis,protein)
MOD_ATT:N-N (protein,SREBP)
MOD_ATT:N-ADJ (protein,1A)
MOD_ATT:N-N (protein,[__NODE__])