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