instruction:
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.
question:
Sunitinib, sorafenib and mTOR inhibitors in renal cancer.
answer:
mTOR

question:
Ligand binding specificities of the eight types and subtypes of the mouse prostanoid receptors expressed in Chinese hamster ovary cells.
answer:
mouse prostanoid receptors

question:
A novel mutation of the erythroid-specific gamma-Aminolevulinate synthase gene in a patient with non-inherited pyridoxine-responsive sideroblastic anemia.
answer:
erythroid-specific gamma-Aminolevulinate synthase