+--------------SUBJ:V-N-------------+------------COMP:V-N(in)-----------+                   
      +--------COMP:N-N(of)-------+       |           +-----MOD_ATT:N-ADJ-----+                   
      |           +-MOD_ATT:N-ADJ-+       |           |       +--MOD_ATT:N-N--+                   
      |           |       +MOD_ATT+       |           |       |    +MOD_ATT:N-+                   
      |           |       |       |       |           |       |    |          |                   
 Expression of __SP__ __NODE__ protein occurs in epithelial duct cell from __SP__ salivary gland .
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,__SP__)
MOD_ATT:N-ADJ (__SP__,epithelial)
MOD_ATT:N-N (__SP__,duct)
MOD_ATT:N-N (__SP__,cell)