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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.
Product activation is a license validation procedure required by some proprietary software programs. Product activation prevents unlimited free use of copied or replicated software. Unactivated software refuses to fully function until it determines whether it is authorized to fully function. Activation allows the software to stop blocking its use.
In Windows 7 and later, significant hardware changes (e.g. motherboard) may require a re-activation. In Windows 10 and 11, a user can run the Activation Troubleshooter if the user has changed hardware on their device recently. If the hardware has changed again after activation, they must wait 30 days before running the troubleshooter again.
Hexokinase-I (HK-I) is an enzyme activator because it draws glucose into the glycolysis pathway. Its function is to phosphorylate glucose releasing glucose-6-phosphate (G6P) as the product. HK-I not only signals the activation of glucose into glycolysis but also maintains a low glucose concentration to facilitate glucose diffusion into the cell.
HPE Service Activator is a service provisioning and activation software platform from Hewlett Packard Enterprise.Once installed and integrated with a Customer Service Provider's (CSP) environment, HPESA automates the processes inherent in the creation and activation of new telecommunications services.
9aaTAD-KIX domain complexesNine-amino-acid transactivation domain (9aaTAD) defines a domain common to a large superfamily of eukaryotic transcription factors represented by Gal4, Oaf1, Leu3, Rtg3, Pho4, Gln3, Gcn4 in yeast, and by p53, NFAT, NF-κB and VP16 in mammals.
Phosphorylated ITAMs serve as docking sites for other proteins containing a SH2 domain, usually two domains in tandem, inducing a signaling cascade mediated by Syk family kinases (which are the primary proteins that bind to phosphorylated ITAMs), namely either Syk or ZAP-70, resulting mostly in the activation of given cell. Paradoxically, in ...
In molecular biology, an inducer is a molecule that regulates gene expression. [1] An inducer functions in two ways; namely: By disabling repressors.The gene is expressed because an inducer binds to the repressor.