disulfide

disulfide
1. A molecule containing two atoms of sulfur to one of the reference element, e.g., CS2, carbon d.. 2. A compound containing the –S–S– group, e.g., cystine.
- asymmetric d. SYN: mixed d..
- mixed d. d. which is not symmetric on both sides of the —S—S— linkage; e.g., the d. formed between coenzyme A and glutathione or between cysteine and coenzyme A or glutathione. SYN: asymmetric d..
- symmetric d. d. that is symmetric on both sides of the —S—S— linkage; i.e., d. formed from identical thiol-containing compounds; e.g., cystine, glutathione d..

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di·sul·fide or chiefly Brit di·sul·phide (')dī-'səl-.fīd n
1) a compound containing two atoms of sulfur combined with an element or radical
2) an organic compound containing the bivalent group SS composed of two sulfur atoms

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di·sul·fide (di-sulґfīd) a compound of a base with two atoms of sulfur; see also under bond.

Medical dictionary. 2011.

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  • Disulfide —   [lateinisch], vom Disulfan, H2S2, abgeleitete Verbindungen, z. B. Salze wie Natriumdisulfid, Na2S2, oder organische Verbindungen wie Dimethyldisulfid, (CH3)2S2. Die durch das Cystin gebildete S S Gruppierung (Disulfidbrücke) spielt beim Aufbau… …   Universal-Lexikon

  • disulfide — [dī sul′fīd΄] n. 1. a chemical compound in which two sulfur atoms are united with a single radical or with a single atom of an element; bisulfide 2. an organic compound in which the radical SS is attached to two different carbon atoms …   English World dictionary

  • Disulfide — Not to be confused with bisulfide. Not to be confused with Disulfur. General structure of disulfides In chemistry, a disulfide usually refers to the structural unit composed of a linked pair of sulfur atoms. Disulfide usually refer to a chemical… …   Wikipedia

  • Disulfide — Allgemeine Struktur von organischen (kovalenten) Disulfiden mir den Organyl Resten R1 und R2, die Alkyl Reste, Aryl Reste, Alkylaryl Reste etc. sind. Die Disulfid Brücke ist blau markiert. Disulfide sind chemische Verbindungen, die zwei… …   Deutsch Wikipedia

  • disulfide — /duy sul fuyd, fid/, n. Chem. 1. (in inorganic chemistry) a sulfide containing two atoms of sulfur, as carbon disulfide, CS2. 2. (in organic chemistry) a sulfide containing the bivalent group SS , as diethyl disulfide, C4H10S2. Also, disulphide.… …   Universalium

  • disulfide — di•sul•fide [[t]daɪˈsʌl faɪd, fɪd[/t]] n. 1) chem. (in inorganic chemistry) a sulfide containing two atoms of sulfur, as carbon disulfide, CS2 2) chem. (in organic chemistry) a sulfide containing the bivalent group −SS−, as diethyl disulfide,… …   From formal English to slang

  • disulfide — (ˈ)dī+ noun Etymology: di + sulfide 1. : a compound containing two atoms of sulfur combined with an element or radical iron disulfide 2. : an organic compound containing the bivalent group −SS− composed of two sulfur atoms united to carbon atoms… …   Useful english dictionary

  • disulfide — disulfidas statusas T sritis chemija formulė R–S–S–R atitikmenys: angl. disulfide rus. дисульфид …   Chemijos terminų aiškinamasis žodynas

  • Disulfide bond — In chemistry, a disulfide bond (Br.E. disulphide bond) is a covalent bond, usually derived by the coupling of two thiol groups. The linkage is also called an SS bond or disulfide bridge. The overall connectivity is therefore R S S R. The… …   Wikipedia

  • Disulfide bond formation protein B — (red), complex with DsbA (blue) Identifiers Symbol DsbB Pfam …   Wikipedia

  • disulfide bond — a strong covalent bond, S S , important in linking polypeptide chains in proteins, the linkage arising as a result of the oxidation of the sulfhydryl (SH) groups of two molecules of cysteine; called also disulfide bridge …   Medical dictionary

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