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]: Enzymatic and biochemical properties of a novel human serine dehydratase isoform.
[A]: human serine dehydratase

[Q]: COX-1 and COX-2 inhibition in horse blood by phenylbutazone, flunixin, carprofen and meloxicam: an in vitro analysis.
[A]: COX-2

[Q]: Mediation of noradrenaline-induced contractions of rat aorta by the alpha 1B-adrenoceptor subtype.
[A]:
alpha 1B-adrenoceptor