instruction:
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.
question:
 Furthermore , the rapid light - mediated increase of CPRF proteins was insensitive to transcriptional inhibitors , suggesting that a post - transcriptional mechanism controls CPRF accumulation .
answer:
CPRF proteins


question:
 NSD1 contains a SET domain and multiple PHD fingers .
answer:
SET domain


question:
 Ptx1 belongs to an expanding family of bicoid - related vertebrate homeobox genes .
answer:

bicoid - related