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 contrasting activity of iodido versus chlorido ruthenium and osmium arene azo- and imino-pyridine anticancer complexes: control of cell selectivity, cross-resistance, p53 dependence, and apoptosis pathway.
[EX A]: p53

[EX Q]: Muscarinic cholinergic and histamine H1 receptor binding of phenothiazine drug metabolites.
[EX A]: histamine H1 receptor

[EX Q]: RDH12, a retinol dehydrogenase causing Leber's congenital amaurosis, is also involved in steroid metabolism.
[EX A]:
retinol dehydrogenase