+----MOD_ATT:N-ADJ---+--COMP:V-N(In)--+                            
        |        +MOD_ATT:N-A+       +SUBJ:V-N+--OBJ:V-N--+COMP:N-N(of+    
        |        |           |       |        |           |           |    
 In purified component , __NODE__ protein increases capacitation of sperm .
MOD_ATT:N-ADJ (__NODE__,purify)
MOD_ATT:N-ADJ (__NODE__,component)
COMP:V-N(In) (increase,__NODE__)
SUBJ:V-N (increase,protein)
OBJ:V-N (increase,capacitation)
COMP:N-N(of) (capacitation,sperm)