enzyme-substrate complex

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• Enzyme substrate — In biochemistry, a substrate is a molecule upon which an enzyme acts. Enzymes catalyze chemical reactions involving the substrate(s). The substrate binds with the enzyme s active site, and an enzyme substrate complex is formed. The substrate is… …   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 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 — 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

• complex — complexly, adv. complexness, n. adj., v. /keuhm pleks , kom pleks/; n. /kom pleks/, adj. 1. composed of many interconnected parts; compound; composite: a complex highway system. 2. characterized by a very complicated or involved arrangement of… …   Universalium

• 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

• Substrate analog — Substrate analogs, or transition state analogs, are molecules that can be recognized and bound by an enzyme because they sufficiently resemble that enzyme s substrate. However, the enzyme is unable to affect the analog in the same manner it can… …   Wikipedia

• complex — 1. An organized constellation of feelings, thoughts, perceptions, and memories that may be in part unconscious and may strongly influence associations and attitudes. 2. In chemistry, the relatively stable combination of two or more compounds into …   Medical dictionary

• Enzyme assay — Beckman DU640 UV/Vis spectrophotometer. Enzyme assays are laboratory methods for measuring enzymatic activity. They are vital for the study of enzyme kinetics and enzyme inhibition. Contents …   Wikipedia

• Substrate channeling — is when the intermediary metabolic product of one enzyme is passed directly to another enzyme or active site without being released into solution. When several consecutive enzymes of a metabolic pathway channel substrates between themselves, this …   Wikipedia

• enzyme-linked immunosorbent assay — n a quantitative in vitro test for an antibody or antigen in which the test material is adsorbed on a surface and exposed either to a complex of an enzyme linked to an antibody specific for the antigen or an enzyme linked to an anti… …   Medical dictionary