allosteric enzyme

См. также в других словарях:

• Allosteric enzyme — Allosteric enzymes are enzymes that change their shape, or conformation, upon binding of a modulator. The word allosteric comes from the Greek allos, other and stereos , shape . An allosteric enzyme is an oligomer whose biological activity is… …   Wikipedia

• allosteric enzyme — allosteric enzyme. См. регуляторный фермент. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

• allosteric enzyme — (al o ster ik) An enzyme whose activity is altered by the binding of a small effector or modulator molecule at a regulatory site separate from the catalytic site; effector binding causes a conformational change in the enzyme and its catalytic… …   Dictionary of microbiology

• allosteric enzyme — An enzyme that has two structurally distinct forms, one of which is active and the other inactive. Active forms tend to catalyse the initial step in a pathway leading to the synthesis of molecules. The end product of this synthesis can act as a… …   Glossary of Biotechnology

• allosteric enzyme — an enzyme whose catalytic activity is altered by binding of specific ligands at sites other than the substrate binding site …   Medical dictionary

• Enzyme 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… …   Wikipedia

• Enzyme kinetics — is the study of the chemical reactions that are catalysed by enzymes, with a focus on their reaction rates. The study of an enzyme s kinetics reveals the catalytic mechanism of this enzyme, its role in metabolism, how its activity is controlled,… …   Wikipedia

• Enzyme catalysis — is the catalysis of chemical reactions by specialized proteins known as enzymes. Catalysis of biochemical reactions in the cell is vital due to the very low reaction rates of the uncatalysed reactions. The mechanism of enzyme catalysis is similar …   Wikipedia

• Enzyme — Biocatalyst redirects here. For the use of natural catalysts in organic chemistry, see Biocatalysis. Human glyoxalase I. Two zinc ions that are needed for the enzyme to catalyze its reaction are shown as purp …   Wikipedia

• Allosteric regulation — In biochemistry, allosteric regulation is the regulation of an enzyme or other protein by binding an effector molecule at the protein s allosteric site (that is, a site other than the protein s active site). Effectors that enhance the protein s… …   Wikipedia

• enzyme — /en zuym/, n. Biochem. any of various proteins, as pepsin, originating from living cells and capable of producing certain chemical changes in organic substances by catalytic action, as in digestion. Cf. ase. [1880 85; < MGk énzymos leavened (Gk… …   Universalium