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.

[Q]:  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 .
[A]: VP16 epitopes


[Q]:  Transcription factor B - cell - specific activator protein ( BSAP ) is differentially expressed in B cells and in subsets of B - cell lymphomas .
[A]: Transcription factor


[Q]:  The cell surface glycoprotein 2B4 ( CD244 ) of the Ig superfamily is involved in the regulation of NK and T lymphocyte functions .
[A]:
Ig superfamily