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.

 Based on these findings , it is concluded that both receptor types ( cell membrane and cytoplasmic receptors ) are being formed and increased at G1 phase prior to cell proliferation , indicating the importance of G1 phase in immunoregulation .
cytoplasmic receptors

 We show here that Bright has multiple contextual requirements to function as a transcriptional activator .
transcriptional activator

 These data suggest that these kappa B - specific proteins have a role in the coordinate regulation of this growth factor - growth factor receptor gene system that controls T cell proliferation .

growth factor receptor

