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.

[EX Q]:  At promoters that initiate with + 1 GGG , T7 RNAP synthesizes a ladder of poly ( G ) products as a result of slippage of the transcript on the three C residues in the template strand from + 1 to + 3 .
[EX A]: T7 RNAP

[EX Q]:  Soluble recombinant RI and soluble recombinant C alpha can associate in vitro and be activated by cyclic AMP .
[EX A]: C alpha

[EX Q]:  The Pi signals are conveyed to PHO8 by binding of PHO4 protein , a positive regulatory factor , to a promoter region of PHO8 ( PHO8p ) under the influence of the PHO regulatory circuit .
[EX A]:
PHO4 protein