+----------SUBJ:V-N----------+--------COMP:V-N(in)--------+      
      +----COMP:N-N(of)----+       |        +----MOD_ATT:N-N----+      
      |            +MOD_ATT+       |        |     +-MOD_ATT:N-N-+      
      |            |       |       |        |     |             |      
 Expression of __NODE__ protein occurs in cell surface from monocytes .
COMP:N-N(of) (expression,protein)
MOD_ATT:N-ADJ (protein,__NODE__)
SUBJ:V-N (occur,expression)
COMP:V-N(in) (occur,monocyte)
MOD_ATT:N-N (monocyte,cell)
MOD_ATT:N-N (monocyte,surface)