protein toxin
61Staphylococcal alpha toxin — (= leucocidin) 1. Pore forming exotoxin (33 kD) secreted by Staphylococcus aureus. Protein (monomer) has two domains connected by flexible hinge region: oligomerises in the plasma membrane by lateral mobility to form a hexameric oligomer (220 kD) …
62Botulinum toxin — noun a neurotoxic protein produced by the bacterium Clostridium botulinum Syn: botulin …
63cholera toxin — an exotoxin produced by Vibrio cholerae; a protein enterotoxin that binds to the membrane of enteric cells and stimulates the adenylate cyclase system, causing the hypersecretion of chloride and bicarbonate ions seen in cholera. Called also… …
64recombinant toxin — A single multifunctional toxic protein encoded by a recombinant gene …
65ribosome-inactivating protein — Abbreviation: RIP A class of plant proteins that inhibit normal ribosome function, and are thus highly toxic. Type 1 RIPs consist of single polypeptide chain proteins; type 2 (e.g. ricin) consist of two proteins linked by a disulphide bridge, one …
66helothermine — Protein toxin (25 kD) from venom of Heloderma horridum horridum. Probably acts by inhibiting the ryanodine sensitive calcium release channel of sarcoplasmic reticulum …
67Ricin — (pronEng|ˈraɪ sɨn) is a protein toxin that is extracted from the castor bean ( Ricinus communis ).The U.S. Centers for Disease Control (CDC) gives a possible minimum figure of 500 micrograms (about the size of a grain of salt) Fact|date=May 2008… …
68Anthrax — For other uses, see Anthrax (disambiguation). Anthrax Classification and external resources Microphotograph of a Gram stain of the bacterium Bacillus anthracis, the cause of the anthrax disease …
69Enzyme inhibitor — Enzyme inhibitors are molecules that bind to enzymes and decrease their activity. Since blocking an enzyme s activity can kill a pathogen or correct a metabolic imbalance, many drugs are enzyme inhibitors. They are also used as herbicides and… …
70Double-stranded RNA viruses — Electron micrograph of rotaviruses. The bar = 100 nm Virus classification Group: Group III (ds …
