sulphydryl
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sulphydryl reagent — Compounds that bind to SH groups. Include p chlormercuribenzoate, N ethyl maleimide, iodoacetamide. Very important in studies of protein structure … Dictionary of molecular biology
Ulcerative colitis — Classification and external resources Endoscopic image of a bowel section known as the sigmoid colon afflicted with ulcerative colitis. The internal surface of the colon is blotchy and broken in places … Wikipedia
dithiothreitol — (= Cleland s reagent) Used to protect sulphydryl groups from oxidation during protein purification procedures or to reduce disulphides to sulphydryl groups … Dictionary of molecular biology
glutathione — The tripeptide g glutamylcysteinylglycine. It contains an unusual peptide linkage between the g carboxyl group of the glutamate side chain and the amine group of cysteine. The concentration of glutathione in animal cells is around 5mM and its… … Dictionary of molecular biology
TOXINES — Un grand nombre d’organismes unicellulaires ou pluricellulaires (bactéries, algues, champignons, protozoaires, végétaux et animaux) élaborent des substances toxiques d’une extrême hétérogénéité chimique et structurale (en majorité, non… … Encyclopédie Universelle
Lachrymatory agent — A lachrymatory agent or lachrymator (from lacrima meaning a tear in Latin) (commonly referred to as tear gas) is a chemical compound that stimulates the corneal nerves in the eyes to cause tearing, pain, and even temporary blindness. Common… … Wikipedia
Cytochrome c family — Cytochrome c Structure of cytochrome c2 from Rhodopseudomonas viridis.[1] Identifiers Symbol … Wikipedia
Sulphur metabolism — is vital for all living organisms as it is a constituent of a number of essential organic molecules like cysteine, methionine, Coenzyme A, and iron sulphur clusters. These compounds are involved in a number of essential cellular processes like… … Wikipedia
cysteine proteinase — (= thiol proteinase) Any protease of the subclass EC 3.4.22. Have a cysteine residue in the active site that can be irreversibly inhibited by sulphydryl reagents. Includes cathepsins and papain … Dictionary of molecular biology
cystine — The amino acid formed by linking two cysteine residues with a disulphide linkage between the two sulphydryl (SH) groups. The analogous compound present within proteins is termed two half cysteines … Dictionary of molecular biology
