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:  The level of expression of the PDE protein was monitored by immunoblot analysis using two specific cAMP - PDE polyclonal antibodies and by measuring the PDE activity .

A: PDE protein
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Q:  The yeast genome contains a single ORD1 gene that resides on chromosome XI .

A: ORD1 gene
****
Q:  Analysis of WT1 target gene expression in stably transfected cell lines .

A:
WT1 target gene
****