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]:  The mutations are linked to transcription initiation , but non - Ig promoters are permissible for the mutation process ; thus , other genes expressed in mutating B cells may also be subject to somatic hypermutation .
[EX A]: Ig promoters

[EX Q]:  We have previously reported that BMP - 2 inhibited the growth of HS - 72 mouse hybridoma cells by inducing p21 ( CIP1 / WAF1 ) expression .
[EX A]: BMP - 2

[EX Q]:  The study of glucocorticoid receptors in leukemic cells may predict response to combination chemotherapy in patients with acute lymphoblastic leukemia .
[EX A]:
glucocorticoid receptors