+-----------------COMP:N-N(in)-----------------+                  +---------OBJ:V-N--------+                                                                              
                +--MOD_ATT:N-ADJ-+----OBJ:V-N----+                              +-----SUBJ:V-N-----+        +-MOD_ATT:N-ADJ-+                            +-MOD_ATT:N-ADJ+                                  
                |        +MOD_ATT+       +SUBJ:V-+MOD:V-+            +COMP:N-N(i+COMP:N-N(+        |        |       +MOD_ATT+                            |      +MOD_ATT+                                  
                |        |       |       |       |      |            |          |         |        |        |       |       |                            |      |       |                                  
 In __SP__ ( __SP__ ) __SP__ __NODE__ protein causes little or no change in quantity of cells expressing __SP__ __NODE__ protein that is decreased by mutant __SP__ __NODE__ gene ( homozygous knockout ) .
MOD_ATT:N-ADJ (__NODE__,__SP__)
MOD_ATT:N-ADJ (__NODE__,__SP__)
COMP:N-N(in) (__NODE__,quantity)
OBJ:V-N (cause,__NODE__)
SUBJ:V-N (cause,protein)
MOD:V-ADV (cause,little)
COMP:N-N(in) (change,quantity)
COMP:N-N(of) (quantity,cell)
SUBJ:V-N (express,quantity)
OBJ:V-N (express,protein)
MOD_ATT:N-ADJ (protein,__SP__)
MOD_ATT:N-ADJ (protein,__NODE__)
MOD_ATT:N-ADJ (__NODE__,mutant)
MOD_ATT:N-ADJ (__NODE__,__SP__)