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:  Two patients with Tac - positive adult T - cell leukemia have been treated with the anti - Tac .

A: anti - Tac
****
Q:  Characterization of aldosterone binding sites in circulating human mononuclear leukocytes .

A: binding sites
****
Q:  [ Tumor histology and steroid receptors in breast carcinoma ]

A:
steroid receptors
****