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 feasibility of creating CR1 / Ig chimeras makes possible a new strategy of targeting complement inhibition by the use of Ig fusion partners having particular antigenic specificities .

A: Ig fusion partners
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Q:  Evidence that the AT1A receptor activates transcription factor - Stat91 and / or a related protein .

A: AT1A receptor
****
Q:  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 .

A:
Fos family
****