+----COMP:N-N(of)---+     
             +SUBJ:+-OBJ:V-N-+           +MOD_ATT+     
             |     |         |           |       |     
 Fmoc L Leu OH increases activity of __NODE__ protein .
SUBJ:V-N (increase,oh)
OBJ:V-N (increase,activity)
COMP:N-N(of) (activity,protein)
MOD_ATT:N-ADJ (protein,__NODE__)