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A transcriptional activator is a protein (transcription factor) that increases transcription of a gene or set of genes. [1] Activators are considered to have positive control over gene expression, as they function to promote gene transcription and, in some cases, are required for the transcription of genes to occur.
Thrombin is produced by the enzymatic cleavage of two sites on prothrombin by activated Factor X (Xa). The activity of factor Xa is greatly enhanced by binding to activated Factor V (Va), termed the prothrombinase complex.
Activator may refer to: Activator (genetics) , a DNA-binding protein that regulates one or more genes by increasing the rate of transcription Activator (phosphor) , a type of dopant used in phosphors and scintillators
Coagulation factor X (EC 3.4.21.6), or Stuart factor, is an enzyme of the coagulation cascade, encoded in humans by F10 gene. [5] It is a serine endopeptidase (protease group S1, PA clan ). Factor X is synthesized in the liver and requires vitamin K for its synthesis.
Logistic activation function. The activation function of a node in an artificial neural network is a function that calculates the output of the node based on its individual inputs and their weights.
The Activation Wizard in Windows XP. Microsoft Product Activation is a DRM technology used by Microsoft in several of its computer software programs, most notably its Windows operating system and its Office productivity suite.
The X rebrand may have a harder journey, Withey said, due to it being an unusual case of a high equity brand — one that was a cultural force for well over a decade — being renamed overnight.
In biochemistry, activation, specifically called bioactivation, is where enzymes or other biologically active molecules acquire the ability to perform their biological function, such as inactive proenzymes being converted into active enzymes that are able to catalyze their substrates' reactions into products.