TASK DEFINITION: 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.
PROBLEM:  Here , we show that infected B lymphocytes display constitutive phosphoinositide 3 - kinase ( PI3 - K ) activity , which appears to be necessary for proliferation , but not survival .

SOLUTION: PI3 - K

PROBLEM:  In contrast , ablation of either Lck - binding domain abolished the ability of Tip to stimulate NF - AT - dependent transcription .

SOLUTION: NF - AT

PROBLEM:  They also showed the expression of mRNA for the myeloid - specific PU . 1 but did not that for the erythroid - specific GATA - 1 .

SOLUTION:
PU . 1