Virion structural proteins are essential elements in determining the morphological and functional dimensions of the SARS virus. 沙士病毒的形态和功能取决于病毒粒子的结构蛋白。
When the worm is prodded, stretching the structural proteins in muscle fibers, the linking spring is stretched, and the worm fluoresces in a different color. 蠕虫受刺激时，肌纤维结构蛋白被拉伸，其连接弹簧也被拉伸，蠕虫的荧光颜色发生改变。
