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:  OBJECTIVE : Tumor necrosis factor - alpha ( TNF - alpha ) induces a variety of cellular responses , some of them being at least seemingly contradictory .

SOLUTION: TNF - alpha

PROBLEM:  Although DRA1 * 0101 / DRB1 * 0401 and DRA1 * 0101 / DRB1 * 0404 are structurally very similar , nonoverlapping VP16 epitopes were identified , illustrating high selectivity of individual allele polymorphisms within common MHC variants .

SOLUTION: VP16 epitopes

PROBLEM:  Ectopically expressed BTK kinase domain was capable of tyrosine - phosphorylating STAT5A both in vitro and in vivo .

SOLUTION:
BTK kinase domain