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]:  The carboxy terminus of LMP1 is also a reliable marker for individual EBV strain identification and thus offers new possibilities in tracing the molecular events leading to posttransplant lymphoproliferative disorders ( PTLDs ) .
[EX A]: carboxy terminus

[EX Q]:  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 .
[EX A]: PI3 - K

[EX Q]:  H2O2 was found to stimulate Ins - 1 , 4 , 5 - P3 production in a tyrosine kinase - dependent manner and to induce calcium signals that were greatly augmented by vanadate .
[EX A]:
tyrosine kinase