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:
Desipramine treatment decreases 3H-nisoxetine binding and norepinephrine transporter mRNA in SK-N-SHSY5Y cells.

Ex Output:
norepinephrine transporter

Ex Input:
Crystal structure of serine dehydratase from rat liver.

Ex Output:
serine dehydratase

Ex Input:
Enzymatic and biochemical properties of a novel human serine dehydratase isoform.

Ex Output:
human serine dehydratase