+----------SUBJ:V-N----------+-COMP:V-N(in)-+    
      +----COMP:N-N(of)----+       |      +MOD_ATT+    
      |            +MOD_ATT+       |      |  +MOD_+    
      |            |       |       |      |  |    |    
 Expression of __NODE__ protein occurs in T 47d cells .
COMP:N-N(of) (expression,protein)
MOD_ATT:N-ADJ (protein,__NODE__)
SUBJ:V-N (occur,expression)
COMP:V-N(in) (occur,cell)
MOD_ATT:N-N (cell,T)
MOD_ATT:N-ADJ (cell,47d)