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]:  Cortisol was able to minimize the enhancement of NK cytotoxicity obtainable in the presence of immune interferon ( IFN - gamma ) .
[EX A]: IFN - gamma

[EX Q]:  The B cell factor was purified to homogeneity using affinity chromatography and consists of three peptides of 62 , 61 , and 58 . 5 + / - 1 . 5 kd .
[EX A]: B cell factor

[EX Q]:  CD3 / CD28 - promoted CREB - CBP interaction was dependent on p38 mitogen - activated protein kinase ( MAPK ) and calcium / calmodulin - dependent protein kinase ( CaMK ) IV in addition to the previously identified extracellular signal - regulated kinase pathway .
[EX A]:
CD3 / CD28