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]:  A significant difference in the distribution of antibodies to thyroglobulin and thyroid peroxidase was found in subgroup 2 .
[A]: thyroid peroxidase


[Q]:  In addition , putative binding sites for SH3 and SH2 domains are present in the amino - terminal half of the molecule .
[A]: SH2 domains


[Q]:  Despite a lowering of her plasma ACTH concentration during therapy with valproic acid , the patient ' s tumour showed no evidence of regression while she was taking the drug .
[A]:
plasma ACTH