| 单词 | disulphide bond |
| 释义 | > as lemmasdisulphide bond disulphide bond n. a covalent linkage between two sulphur atoms, —S—S—, which cross-links polypeptide chains in the three-dimensional structures of some proteins; also called disulphide bridge.The sulphur atoms are provided by the thiol groups of the amino acid cysteine. ΚΠ 1934 Jrnl. Amer. Chem. Soc. 56 937/2 Cystine is reduced by sodium, in part, by sodium acting directly upon the disulfide bond. 2009 T. Shibamoto & L. Bjeldanes Introd. Food Toxicol. (ed. 2) vi. 140 Ricin is composed of two protein chains, A and B, linked by a disulfide bond. < as lemmas |
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