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]:  In addition , the MAP / Erk kinase kinase inhibitor PD98059 did not abrogate SDF1 alpha - induced chemotaxis .
[EX A]: SDF1 alpha

[EX Q]:  Finally , UUO resulted in activation of nuclear factor - kappaB in wild mice but was inhibited in the OBK of mutant mice .
[EX A]: nuclear factor

[EX Q]:  The Tip protein of Herpesvirus saimiri strain 484C binds to and activates the Lck tyrosine protein kinase .
[EX A]:
Tip protein