英文: Covalent bond A chemical bond in which one or more pairs of electrons are shared between two atoms.

中文: 共价键：一般指两个原子接合时，通过形成共有电子对而产生的化学键。       更详细...

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英文: Disulfide bridge In PROTEINS, a covalent bond formed between the sulfhydryl (-SH) groups of different cysteine molecules. Such bridges are important in stabilizing the tertiary structure of peptides and proteins.

中文: 二硫桥：在蛋白质中两个半胱氨酸残基的两个巯基之间形成的共价键。这样的结构对于维持多肽和蛋白质三级结构的稳定有重要的作用。       更详细...

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