In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

Q:  Mapping of the region in KAP - 1 required for HP1 interaction showed that amino acid substitutions which abolish HP1 binding in vitro reduce KAP - 1 mediated repression in vivo .

A: KAP - 1
****
Q:  Previous analysis of this motif in the lactose permease ( A .

A: lactose permease
****
Q:  Furthermore , it was found that the Shb - overexpressing cells extended neurites in response to epidermal growth factor .

A:
epidermal growth factor
****