+----------------------SUBJ:V-N---------------------+                             
            +------------------APPOS-----------------+          |                             
            |           +--------MOD_ATT:N-ADJ-------+          |                             
            |           |            +-MOD_ATT:N-ADJ-+          |                             
    +MOD_ATT+           |            |        +MOD_AT+          +--OBJ:V-N-+COMP:N-N(of)+     
    |       |           |            |        |      |          |          |            |     
 Mutant __NODE__ ( unspecified heterozygous gene mutation ) increases exocytosis of __NODE__ .
MOD_ATT:N-N (__NODE__,mutant)
APPOS (__NODE__,mutation)
MOD_ATT:N-ADJ (mutation,unspecified)
MOD_ATT:N-ADJ (mutation,heterozygous)
MOD_ATT:N-N (mutation,gene)
SUBJ:V-N (increase,__NODE__)
OBJ:V-N (increase,exocytosis)
COMP:N-N(of) (exocytosis,__NODE__)