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 Input:
In contrast to B cells from XID mice , B cells from JAK3 knockout mice showed a normal STAT5A phosphorylation response to anti - IgM stimulation .

Ex Output:
anti - IgM

Ex Input:
The discordant mutants may reflect interactions with a variable domain of a conserved component or unique interactions with specialized components of the basal transcription apparatus in different cells .

Ex Output:
variable domain

Ex Input:
Isolation of T cells by E - rosette sedimentation enriches for T cells that have a greater number of glucocorticoid receptors , and isolation of T cells by nylon wool filtration enriches for T cells that have a lesser number of glucocorticoid receptors .

Ex Output:
glucocorticoid receptors