This three-dimensional conformation is held together by the interactions of the amino acids at different parts of the polypeptide chain with each other, and determines the activity of the protein.

这种三维构造通过肽链上不同部位上的氨基酸连在一起，决定了蛋白活性。

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The molecules of this protein are more or less globular, and are held in that shape by internal cross-links between different parts of the amino-acid chain of which the protein is composed.

这种蛋白质的分子多少像个球形，构成该蛋白质的氨基酸链的不同部分之间有内部交叉联结，正是这种力量使这些分子保持那种形状。

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As of December 2010, the Protein Data Bank repository held 70,000 entries (XML documents) that contain more than 500 million atom coordinates.

截止到2010年12月，PD b存储库已有70,000多项(XML文档)，共包含了5亿多的原子坐标。

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Campbell said he grew up on a dairy farm and for a long time held to the belief that animal protein was an essential part of a healthy diet.

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The molecules of this protein are more or less globular, and are held in that shape by internal cross-links between different parts of the amino-acid chain of which the protein is composed.

ECONOMIST: Monitor

While Schwab kept looking for his protein, researchers identified other molecules that held up nerve growth.

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