+-------COMP:V-N(in)-------+    
      +--------------SUBJ:V-N-------------+      +----MOD_ATT:N-N----+    
      +--------COMP:N-N(of)-------+       |      |   +--MOD_ATT:N-N--+    
      |           +-MOD_ATT:N-ADJ-+       |      |   |    +MOD_ATT:N-+    
      |           |       +MOD_ATT+       |      |   |    |    +MOD_A+    
      |           |       |       |       |      |   |    |    |     |    
 Expression of __SP__ __NODE__ protein occurs in S phase Hs 218.Lu 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,S)
MOD_ATT:N-N (cell,phase)
MOD_ATT:N-N (cell,Hs)
MOD_ATT:N-ADJ (cell,218.Lu)