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The N-terminal acts as an allosteric regulator of C-terminal; the C-terminal is the only one involved in the catalytic activity. HK-I is regulated by the concentration of G6P, where G6P acts as a feedback inhibitor. At low G6P concentration, HK-I is activated; at high G6P concentration, the HK-I is inhibited. [1]
This domain can bind phosphatidylinositol lipids within biological membranes (such as phosphatidylinositol (3,4,5)-trisphosphate and phosphatidylinositol (4,5)-bisphosphate), [8] and proteins such as the βγ-subunits of heterotrimeric G proteins, [9] and protein kinase C. [10]
On the category of oxidative addition, M. L. H. Green in 1970 reported on the photochemical insertion of tungsten (as a Cp 2 WH 2 complex) in a benzene C–H bond [7] and George M. Whitesides in 1979 was the first to carry out an intramolecular aliphatic C–H activation [8] Fujiwara's palladium- and copper-catalyzed C-H functionalization
The W=O center is proposed, not verified crystallographically. [9] AOR consists of three domains, domain 1, 2, and 3. [8] While domain 1 contains pterin bound to tungsten, the other two domains provide a channel from tungsten to protein's surface (15 Angstroms in length) in order to allow specific substrates to enter the enzyme through its ...
The TMEM202 gene spans 10,063 nucleotides on chromosome 15 located at 15q23-q24.1 and on the forward strand. The most complete isoform of TMEM202 (transcript variant 1) contains five exons. [6]
Activator E2F proteins can then transcribe S phase promoting genes. In REF52 cells, overexpression of activator E2F1 is able to push quiescent cells into S phase. [7] While repressors E2F4 and 5 do not alter cell proliferation, they mediate G1 arrest. [2] E2F activator levels are cyclic, with maximal expression during G1/S.
NOBS is the main bleach activator used in the U.S.A. and Japan. [4] Compared to TAED , which is the predominant bleach activator used in Europe, NOBS is efficient at much lower temperatures. At 20 °C NOBS is 100 times more soluble than TAED in water. [ 5 ]
In phosphors and scintillators, the activator is the element added as dopant to the crystal of the material to create desired type of nonhomogeneities. In luminescence , only a small fraction of atoms, called emission centers or luminescence centers , emit light.