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Enzyme induction is a process in which a molecule (e.g. a drug) induces (i.e. initiates or enhances) the expression of an enzyme. Enzyme inhibition can refer to the inhibition of the expression of the enzyme by another molecule; interference at the enzyme-level, basically with how the enzyme works.
An enzyme inducer is a type of drug that increases the metabolic activity of an enzyme either by binding to the enzyme and activating it, or by increasing the expression of the gene coding for the enzyme. [1] [page needed] It is the opposite of an enzyme repressor.
Top: enzyme (E) accelerates conversion of substrates (S) to products (P). Bottom: by binding to the enzyme, inhibitor (I) blocks binding of substrate. Binding site shown in blue checkerboard, substrate as black rectangle, and inhibitor as green rounded rectangle. An enzyme inhibitor is a molecule that binds to an enzyme and blocks its activity.
Induction of the high-output iNOS usually occurs in an oxidative environment, and thus high levels of NO have the opportunity to react with superoxide leading to peroxynitrite formation and cell toxicity. These properties may define the roles of iNOS in host immunity, enabling its participation in anti-microbial and anti-tumor activities as ...
1555 13088 Ensembl ENSG00000197408 ENSMUSG00000030483 UniProt P20813 P12791 RefSeq (mRNA) NM_000767 NM_009999 RefSeq (protein) NP_000758 n/a Location (UCSC) Chr 19: 40.99 – 41.02 Mb Chr 7: 25.6 – 25.63 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Cytochrome P450 2B6 is an enzyme that in humans is encoded by the CYP2B6 gene. CYP2B6 is a member of the cytochrome P450 group of ...
Induction (play), an opening scene; Induction (teachers), support of novice teachers; Inductive reasoning aptitude; Collective Induction, in psychology; Hypnotic induction, causing hypnosis "Induction", a song by Broken Spindles from Fulfilled/complete "Induction" (short story), a short story by Greg Egan
Activation-induced cytidine deaminase, also known as AICDA, AID and single-stranded DNA cytosine deaminase, is a 24 kDa enzyme which in humans is encoded by the AICDA gene. [5] It creates mutations in DNA [6] [7] by deamination of cytosine base, which turns it into uracil (which is recognized as a thymine). In other words, it changes a C:G base ...
Melvin Cohn in Monod's lab at the Pasteur Institute then found that β-galactosides induced enzyme activity. The idea of enzyme adaptation was thus replaced with the concept of enzyme induction, in which a molecule induces expression of a gene or operon, often by binding to a repressor protein and preventing it from attaching to the operator. [2]