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 c - Jun delta - domain inhibits neuroendocrine promoter activity in a DNA sequence - and pituitary - specific manner .
[A]: c - Jun


[Q]:  The polypeptide encoded by the cDNA contained 450 amino acids with a calculated M ( r ) of 52 , 057 , and showed significant homology with human and mouse CAD ( 22 % identity ) .
[A]: mouse CAD


[Q]:  Using the conflict drinking test as a model , we studied in rats the effect of the nonselective beta - adrenoceptor blockers pindolol and cyanopindolol which bind to 5 - HT1A and 5 - HT1B receptors , and of the selective beta 1 - and beta 2 - adrenoceptor antagonists betaxolol and ICI 118 , 551 , respectively , which have a negligible affinity for 5 - HT receptors .
[A]:
beta - adrenoceptor