instruction:
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.
question:
 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 .
answer:
VP16 epitopes


question:
 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 .
answer:
PI3 - K


question:
 Molecular pathogenesis of influenza A virus infection and virus - induced regulation of cytokine gene expression .
answer:

cytokine gene