+----------COMP:V-N(in)---------+       
      +----------SUBJ:V-N---------+         +----MOD_ATT:N-ADJ----+       
      +----COMP:N-N(of)---+       |         |        +MOD_ATT:N-AD+       
      |           +MOD_ATT+       |         |        |     +MOD_AT+       
      |           |       |       |         |        |     |      |       
 Expression of __SP__ __NODE__ occurs in __SP__ peripheral T lymphocytes .
COMP:N-N(of) (expression,__NODE__)
MOD_ATT:N-ADJ (__NODE__,__SP__)
SUBJ:V-N (occur,expression)
COMP:V-N(in) (occur,lymphocyte)
MOD_ATT:N-ADJ (lymphocyte,__SP__)
MOD_ATT:N-ADJ (lymphocyte,peripheral)
MOD_ATT:N-N (lymphocyte,T)