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: Furthermore , the SH2 domain of p56 ( lck ) appeared to be required for pervanadate - induced NF - kappa B activation but not for Tyr42 phosphorylation .

SOLUTION: SH2 domain

PROBLEM: Maturation of DP cortical thymocytes to single - positive ( CD4 ( + ) / CD8 ( - ) or CD8 ( + ) / CD4 ( - ) ) medullar thymocytes correlated with decreased detectability of EZH2 and continued relative absence of BMI - 1 .

SOLUTION: BMI - 1

PROBLEM: The leukocyte migration inhibition response to certain breast cancer - related antigens ( MCF - 7 and MuMTV ) : their potential as discriminants .

SOLUTION:
MCF - 7