+-------------COMP:V-N(in)------------+    
      +------------------SUBJ:V-N-----------------+         +-------MOD_ATT:N-ADJ-------+    
      +--------COMP:N-N(of)-------+               |         |      +----MOD_ATT:N-ADJ---+    
      |           +-MOD_ATT:N-ADJ-+               |         |      |      +-MOD_ATT:N-N-+    
      |           |       +MOD_ATT+          +-NEG+         |      |      |      +MOD_AT+    
      |           |       |       |          |    |         |      |      |      |      |    
 Expression of __SP__ __NODE__ protein does not occur in normal __SP__ thyroid gland tissue .
COMP:N-N(of) (expression,protein)
MOD_ATT:N-ADJ (protein,__SP__)
MOD_ATT:N-ADJ (protein,__NODE__)
SUBJ:V-N (occur,expression)
NEG (occur,not)
COMP:V-N(in) (occur,toilet)
MOD_ATT:N-ADJ (toilet,normal)
MOD_ATT:N-ADJ (toilet,__SP__)
MOD_ATT:N-N (toilet,thyroid)
MOD_ATT:N-N (toilet,gland)