• The cyclin dependent kinase deactivation is carried out by a

  2019-11-29

  

  The cyclin-dependent kinase deactivation is carried out by a particular group of proteins cyclin-dependent kinase inhibitors (CDKIs). These group of proteins blocks kinase activity by interfering with the interaction of cyclin-CDK complex [43]. The inhibition of CDK naturally occurs during a G1 phas

• Protein ubiquitination occurs at the lysine residues and

  2019-11-29

  

  Protein ubiquitination occurs at the lysine residues, and is mediated by the sequential reactions of ubiquitin-activating enzyme (E1), conjugating enzyme (E2), and ligase (E3). The first step in this process comprises the ATP-dependent activation of ubiquitin by E1 to form a ubiquitin–E1 conjugate.

• Crystallographic and NMR based analyses

  2019-11-29

  

  Crystallographic and NMR-based analyses have revealed that RINGs and U-boxes have a common mode of interaction with E2s (Fig. 2A). The key structural elements are two loop-like regions, which, in the case of RINGs, coordinate Zn. The loops surround a shallow groove formed by the central α-helix. Tog

• Although CK phosphorylated Msn as well as Msn Fig A

  2019-11-28

  

  Although CK2 phosphorylated Msn4 as well as Msn2 (Fig. 1A), the two CK2-dependent phosphorylation sites in Msn2 are not conserved in Msn4. Thus, Msn2 and Msn4 might be differently regulated by CK2-dependent phosphorylation. Msn2 and Msn4, which have 41% identity and similarity in size and amino Cy5

• Theoretically the expression profile of GluCl

  2019-11-28

  

  Theoretically, the expression profile of GluCl variants was related to their physiological roles. It was reported that all the three variants (GluCl A, GluCl B, GluCl C) were highly expressed in head tissue of L. striatellus and M. domestica, and the expression level of GluCl A was significantly hig

• It is well known that Doxorubicin induced

  2019-11-28

  

  It is well known that Doxorubicin-induced cardiotoxicity occurs via p53-mediated apoptosis (Lorusso et al., 2007). However, there are few studies elucidating the mechanism of HFS induced by PLD. We found that PLD induces keratinocyte apoptosis in a very low dose, and the damage induced by PLD cannot

• PGE exerts its functions by binding to different receptors

  2019-11-28

  

  PGE2 exerts its functions by binding to different receptors. Four different subtypes of PGE2 receptors are found in mammals and are designated as EP1-4. These are G-protein coupled receptors that belong to a family of seven rhodopsin-like transmembrane spanning receptors. They are structurally diffe

• In vitro studies in NSCLC cell

  2019-11-28

  

  In vitro studies in NSCLC cell lines expressing EGFR mutants (T790M mutation, exon 19 deletion E746-A750, L858R/T790M double mutation), demonstrated that Rociletinib potently inhibits proliferation in the mutant EGFR NSCLC hoechst 33258 mg with Growth inhibition (GI50) values ranging from 7 to 32 n

• Because of the important role of the

  2019-11-28

  

  Because of the important role of the DDB1-CUL4B interaction for CUL4B-based E3 ligases, disruption of the DDB1-CUL4B interaction could be an effective approach to treat cancer. Therefore, we developed an in vitro HTS assay based on yeast cell growth inhibition to identify compounds that could disrup

• br Acknowledgments br Introduction Ubiquitin ligases limit t

  2019-11-28

  

  Acknowledgments Introduction Ubiquitin ligases limit the stability and activity of substrates by targeting them for proteasomal-dependent degradation. Siah is a two-member family of ubiquitin ligases implicated in control of key cellular processes. Among those, Siah ligases control prolyl hydr

• Since the interaction between the E and E

  2019-11-28

  

  Since the interaction between the E2 and E3 is weak and transient, it has been difficult to identify novel interactions between specific E2/E3 complexes [59], [64]. Here we used a modified bait consisting of the Mulan RING domain fused to one of the four E2s isolated in our screen and expressed in y

• While SCF E ligase activity was

  2019-11-28

  

  While SCF E3 ligase activity was reconstituted with recombinant proteins two decades ago, the ability to probe APC/C was limited until recently because of its behemoth size. Human APC/C is a 1.2-MDa assembly comprised of 19 core subunits (one each of nine different APC subunits, and two each of five

• br Assessing DUB activity The Ub

  2019-11-28

  

  Assessing DUB activity The Ub field has benefited greatly from the past efforts of biochemists and chemical biologists who have reconstituted Ub signals in vitro and generated tools for capturing or measuring DUB activities, many of which can be readily produced or are commercially available (Ekk

• The archaea are a group of microorganisms and many

  2019-11-28

  

  The archaea are a group of microorganisms, and many belong to extremophiles, living in extreme environments, such as those with high temperatures [6], [7]. Methanocaldococcus jannaschii is a methane-producing archaea [8]. It grows at pressures of up to more than 200atm and at an optimum temperature

• It is well established that

  2019-11-28

  

  It is well established that p53 maintains genomic integrity in response to a variety of cell stresses including DNA damage and oncogenic stress among others [6], [7], [8], [9]. p53 promotes the expression of several genes to cause Busulfan receptor arrest and to repair cellular damage. There is gro

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