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: By contrast , CIS failed to affect the IL - 9 response .

SOLUTION: IL - 9

PROBLEM: The mouse alpha A - CRYBP1 gene specifies a 2 , 688 - amino acid protein with 72 % amino acid identity to its human homologue , PRDII - BF1 .

SOLUTION: PRDII - BF1

PROBLEM: The Tat protein coded by human immunodeficiency virus ( HIV ) is a strong activator of viral gene expression from the long terminal repeat ( LTR ) .

SOLUTION:
Tat protein