+--------------SUBJ:V-N-------------+                                  
      +--------COMP:N-N(of)-------+       +---------COMP:V-N(in)--------+    
      |           +-MOD_ATT:N-ADJ-+       |            +--MOD_ATT:N-ADJ-+    
      |           |       +MOD_ATT+       |            |         +MOD_AT+    
      |           |       |       |       |            |         |      |    
 Expression of __SP__ __NODE__ protein occurs in unfertilized __SP__ oocyte .
COMP:N-N(of) (expression,protein)
MOD_ATT:N-ADJ (protein,__SP__)
MOD_ATT:N-ADJ (protein,__NODE__)
SUBJ:V-N (occur,expression)
COMP:V-N(in) (occur,oocyte)
MOD_ATT:N-ADJ (oocyte,unfertilized)
MOD_ATT:N-ADJ (oocyte,__SP__)