There are a handful of drugs that combat specific viruses, such as the protease inhibitors used to control HIV infection, but these are relatively few in number and susceptible to viral resistance.

已有一些对抗特种病毒的药物，如用来控制HIV感染的蛋白酶抑制剂，但数量相对较少，而且易于产生病毒耐药性。

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So overwhelming was the excitement that overtook us when substances were found to potently inhibit the protease enzyme, thereby blocking viral replication in the test tube.

我们发现了一种物质，有可能抑制蛋白酶，从而阻止病毒在试管中繁殖，那时我们真是兴奋得难以自已。

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All mature protein generated from protease processing have important functions in the whole viral living cycle, including that polymerase, translation, and processing, etc.

酶切加工产生的各种功能蛋白在病毒基因的复制、翻译、加工等整个生活史中发挥重要作用。

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The protease works as a molecular scissors to cut out proteins that then form new viral particles.

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