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]:  Transcriptional activation of the proopiomelanocortin gene by cyclic AMP - responsive element binding protein .
[A]: proopiomelanocortin gene


[Q]:  The yjr041c delta haploid cells gave rise to microcolonies comprising about 20 to 50 cells .
[A]: yjr041c delta


[Q]:  Protein kinase C ( PKC ) activation after treatment of human neuroblastoma SK - N - BE ( 2 ) C cells with phorbol 12 - myristate 13 - acetate ( PMA ) was found to enhance transcription of the human dopamine beta - hydroxylase ( DBH ) in those cells .
[A]:
Protein kinase C