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.

[EX Q]:  Here we demonstrate that the unique region of Gads contains a capase cleavage site .
[EX A]: capase cleavage site

[EX Q]:  BMI - 1 and EZH2 Polycomb - group ( PcG ) proteins belong to two distinct protein complexes involved in the regulation of hematopoiesis .
[EX A]: BMI - 1

[EX Q]:  T cells retained their physical parameters as measured by forward and side light scatter , and functional activity as measured by costimulation of proliferation and IL - 2 production after being scraped off this substrate .
[EX A]:
IL - 2