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:  Antibodies specific to the different members of the Jun and Fos family of transcription factors show that , in gel retardation assays , a Jun - like factor is a component of the H3 . 2 specific complex .

Answer: Fos family


Question:  Whereas the sequence of alpha - actinin ( Noegel , A . , W .

Answer: alpha - actinin


Question:  We have previously reported the first isolation of a c - myc - null cell line .

Answer:
c - myc