+--------COMP:N-N(of)-------+     
            +------OBJ:V-N-----+           +-MOD_ATT:N-ADJ-+     
    +SUBJ:V-+       +MOD_ATT:N-+           |       +MOD_ATT+     
    |       |       |          |           |       |       |     
 Phorbol esters increases expression of __SP__ __NODE__ protein .
SUBJ:V-N (ester,Phorbol)
OBJ:V-N (ester,expression)
MOD_ATT:N-N (expression,increase)
COMP:N-N(of) (expression,protein)
MOD_ATT:N-ADJ (protein,__SP__)
MOD_ATT:N-ADJ (protein,__NODE__)