You will be given a definition of a task first, then some input of the task.
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.

Two plasmids , one containing the amino terminus of P fused to the DNA - binding domain of the yeast transactivator , GAL4 , and the other containing the amino terminus of NP fused to the herpesvirus transactivator , VP16 , were transfected in COS - 1 cells along with a chloramphenicol acetyltransferase ( CAT ) reporter plasmid containing GAL4 DNA - binding sites .
Output:
chloramphenicol acetyltransferase