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.

Chemical genetic analyses of quantitative changes in Cdk1 activity during the human cell cycle.
Cdk1

Crystal structure of serine dehydratase from rat liver.
serine dehydratase

Synergistic enhancement of cancer therapy using a combination of heat shock protein targeted HPMA copolymer-drug conjugates and gold nanorod induced hyperthermia.

heat shock protein