+--------------SUBJ:V-N-------------+                             
      +--------COMP:N-N(of)-------+       |                             
      |           +-MOD_ATT:N-ADJ-+       +----COMP:V-N(in)----+        
      |           |       +MOD_ATT+       |         +MOD_ATT:N-+        
      |           |       |       |       |         |          |        
 Expression of __SP__ __NODE__ protein occurs in __SP__ cardiomyocytes .
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,cardiomyocytes)
MOD_ATT:N-ADJ (cardiomyocytes,__SP__)