+----------COMP:V_PASS-N(In)---------+                                    
         |                    +-SUBJ:V_PASS-N-+                                    
         |            +MOD_ATT+        +--NEG-+COMP:V_PASS-N(+--COMP:N-N(of)-+     
         |            |       |        |      |              |               |     
 In macrophages , __NODE__ protein is not involved in internalization of __NODE__ .
MOD_ATT:N-ADJ (protein,__NODE__)
NEG (not,involve)
COMP:V_PASS-N(In) (involve,macrophage)
SUBJ:V_PASS-N (involve,protein)
COMP:V_PASS-N(in) (involve,internalization)
COMP:N-N(of) (internalization,__NODE__)