That's one of the beauties of proteins as working molecules is that their structure can be changed by subtle means.

蛋白质作为一种生物活性分子,其优势之一是,能够通过精细的方法改变其结构

耶鲁公开课 - 生物医学工程探索课程节选

You've irreversibly changed that substance because you've changed the structure of all the proteins inside.

蛋白质的结构发生不可逆的变化,因为蛋白质内部的全部结构都改变了

耶鲁公开课 - 生物医学工程探索课程节选

Well, imagine if that change in structure could be switched on and off by addition of a phosphorous; and in fact it can in many proteins.

那么,想象一下,只需引入磷酸基团,就能导致蛋白质的结构发生变化,事实上很多蛋白质就是如此

耶鲁公开课 - 生物医学工程探索课程节选

Proteins have three dimensional structures in solution and their structure determines what they do.

在溶液中,蛋白质以三维结构存在,它的结构决定功能

耶鲁公开课 - 生物医学工程探索课程节选

And if you've forgotten about proteins and what their structure is you can go to Chapter 4 and read sort of a brief review of protein biochemistry.

如果你们忘记了蛋白质及结构的相关知识,就去读第四章,关于蛋白质生物化学的简短综述

耶鲁公开课 - 生物医学工程探索课程节选

It breaks down into its component parts and I show two of those component parts here, one is the genetic material, in this case DNA, and the other is all the proteins that form the structure of the virus.

分解为自身各种零件,这里给你们展示一下其中的两个,其一是遗传物质,这里指DNA,另一个是构建病毒结构的所有蛋白质

耶鲁公开课 - 生物医学工程探索课程节选