+--------------SUBJ:V-N-------------+                     
      +--------COMP:N-N(of)-------+       +--COMP:V-N(in)--+    
      |           +-MOD_ATT:N-ADJ-+       |        +MOD_ATT+    
      |           |       +MOD_ATT+       |        |   +MOD+    
      |           |       |       |       |        |   |   |    
 Expression of __SP__ __NODE__ protein occurs in BEAS 2B cells .
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,cell)
MOD_ATT:N-N (cell,Beas)
MOD_ATT:N-ADJ (cell,2B)