+--------------------------------------COMP:V-N(from)-------------------------------------+                                           
                 |    +--------------------------------------SUBJ:V-N--------------------------------------+                                           
                 |    |                   +-------------------------SUBJ:V-N-------------------------+     |                                           
                 |    |                   +---------APPOS---------+                                  |     |                                           
                 |    |   +-MOD_ATT:N-ADJ-+        +-MOD_ATT:N-ADJ+                                  |     +----------------OBJ:V-N----------------+   
                 |    |   |      +MOD_ATT:+        |      +MOD_ATT+                                  |     +COMP:V-N(in)+COMP:N-N(of+       +MOD_AT+   
                 |    |   |      |        |        |      |       |                                  |     |            |           |       |      |   
 In brain from 140.0 day old embryonic __SP__ , mutant __SP__ __NODE__ gene ( homozygous knockout ) is involved in expression of __SP__ __NODE__ mRNA .
MOD_ATT:N-ADJ (__SP__,old)
MOD_ATT:N-ADJ (__SP__,embryonic)
APPOS (__SP__,__NODE__)
MOD_ATT:N-ADJ (__NODE__,mutant)
MOD_ATT:N-ADJ (__NODE__,__SP__)
SUBJ:V-N (be,__SP__)
COMP:V-N(from) (involve,@card@)
SUBJ:V-N (involve,day)
COMP:V-N(in) (involve,expression)
OBJ:V-N (involve,mRNA)
COMP:N-N(of) (expression,__SP__)
MOD_ATT:N-ADJ (mRNA,__NODE__)