+-----------SUBJ:V-N----------+                             
       +-----COMP:N-N(of)----+       +-----COMP:V-N(in)-----+      
       |             +MOD_ATT+       |           +MOD_ATT:N-+      
       |             |       |       |           |          |      
 Localization of __NODE__ protein occurs in endoplasmic reticulum .
COMP:N-N(of) (localization,protein)
MOD_ATT:N-ADJ (protein,__NODE__)
SUBJ:V-N (occur,localization)
COMP:V-N(in) (occur,reticulum)
MOD_ATT:N-ADJ (reticulum,endoplasmic)