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]:  Notably , CD28 ligation activated p38 MAPK and CaMKIV , the kinases stimulated by CD3 engagement , suggesting that CD28 acts by increasing the activation extent of p38 MAPK and CaMKIV .
[A]: p38 MAPK


[Q]:  We conclude that these two patients , members of the same family , have primary cortisol resistance accompanied by a reduced number of glucocorticoid receptors .
[A]: glucocorticoid receptors


[Q]:  Increased transcription decreases the spontaneous mutation rate at the thymidine kinase locus in human cells .
[A]:
thymidine kinase locus