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The inducible protein isoform, iPFK2, is named as such because its expression has been shown to be induced by hypoxic conditions. The PFKFB3 promoter is predicted to contain multiple binding sites, including Sp-1 and AP-2 binding sites. It also contains motifs for the binding of E-box, nuclear factor-1 (NF-1), and progesterone response element.
This enzyme's main function is to synthesize or degrade allosteric regulator Fru-2,6-P 2 in response to glycolytic needs of the cell or organism, as depicted in the accompanying diagram. PFK-2 and FBPase-2 Reaction. In enzymology, a 6-phosphofructo-2-kinase (EC 2.7.1.105) is an enzyme that catalyzes the chemical reaction:
The condensed Fukui function or condensed reactivity indicator is the same idea, but applied to an atom within a molecule, rather than a point in three-dimensional space. The Fukui function allows one to predict, using density functional theory , where the most electrophilic and nucleophilic sites of a molecule are.
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. Nontrivial problems can be solved using only a few nodes if the activation function is nonlinear . [ 1 ]
In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. [1] The set X is called the domain of the function [2] and the set Y is called the codomain of the function. [3] Functions were originally the idealization of how a varying quantity depends on another quantity.
The delta function was introduced by physicist Paul Dirac, and has since been applied routinely in physics and engineering to model point masses and instantaneous impulses. It is called the delta function because it is a continuous analogue of the Kronecker delta function, which is usually defined on a discrete domain and takes values 0 and 1.
In mathematics, the polylogarithm (also known as Jonquière's function, for Alfred Jonquière) is a special function Li s (z) of order s and argument z. Only for special values of s does the polylogarithm reduce to an elementary function such as the natural logarithm or a rational function .
This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for duplex, bidirectional traffic.