• Despite the weak and transient nature of E E

  2020-06-03

  

  Despite the weak and transient nature of E2–E3 interactions, this binding is required for the transfer of ubiquitin to the substrate. The low affinity characteristics of this interaction may be due to the fact that E2s use the same surface to interact with E1s and E3s, and hence while binding to an

• Mono and bi ubiquitination of two lysines namely K and

  2020-06-03

  

  Mono- and bi-ubiquitination of two lysines, namely K70 and K76, in a small fraction of p33 replication co-factor has been demonstrated in yeast (Barajas and Nagy, 2010, Li et al., 2008). Because mutations of these lysines reduced TBSV repRNA replication in yeast and affected the ability of p33 to in

• br Are incretins the only mediators of the

  2020-06-03

  

  Are incretins the only mediators of the anti-hyperglycaemic effects of DPP-4 inhibitors? Even though both GLP-1 and GIP were identified as substrates for DPP-4 early on [17], [19], [20], [22], and DPP-4 inhibition in vivo raises levels of the intact endogenous forms of both of them [43], [44], fr

• In contrast to the methylation that is catalyzed exclusively

  2020-06-03

  

  In contrast to the methylation that is catalyzed exclusively by DNMTs, there have been suggested several pathways that could induce demethylation (Watt & Molloy, 1988). However, the existence and influencing of enzymes that promote active demethylation remains elusive. Studies aiming to gain more in

• In order to derive a better understanding of

  2020-06-03

  

  In order to derive a better understanding of the results from our SAR study, we utilized Glide to model the binding of the SAR compounds with the non-active site pocket of TS-DHFR shown in C. The majority of models position the phenolic moiety of these compounds within the non-active site pocket, wh

• The preferences for source of FAs for DGAT and DGAT

  2020-06-03

  

  The preferences for source of FAs for DGAT1 and DGAT2 are related to their membrane topologies, subcellular locations, interactions with other proteins or organelles (discussed in the former section), and their differential expression, substrate specificities, and enzyme kinetics. According to UniPr

• br Introduction Prostaglandin E PGE signals

  2020-06-02

  

  Introduction Prostaglandin E2 (PGE2) signals through 4 separate G-protein coupled receptor sub-types (EP1, EP2, EP3 and EP4) to elicit a variety of physiological and pathophysiologic effects. EP2 and EP4 increase cAMP levels in the cell via adenylate cyclase activation, whereas EP3 inhibits cAMP

• br Funding This work was partly supported by

  2020-06-02

  

  Funding This work was partly supported by the grant ‘Maria Grazia Cuccoli’ from Fondazione Cassa di Risparmio di Bologna. Declarations of interest Acknowledgements Introduction The main strategy of oncolytic viral therapy is based on the fact that naturally occurring or engineered virus

• The enantiomeric ratio ER of chiral

  2020-06-02

  

  The enantiomeric ratio (ER) of chiral compounds accumulated in organisms has been found to be different among species (Borga and Bidleman, 2005, Harner et al., 1999, Warner et al., 2005, Wiberg et al., 2000), indicating enantioselective accumulation of chiral compounds are species-specific. The ER o

• br Introduction O Methylguanine DNA methyltransferase

  2020-06-02

  

  Introduction O6-Methylguanine-DNA methyltransferase (MGMT) is a DNA-repair enzyme that specifically transfers alkyl adducts from the O6 position of guanine to the cysteine residue (Cys145) in its active site. In cancer cells, this ability of MGMT disrupts the cytotoxic actions of alkylating antic

• br Conclusions In this paper we

  2020-06-02

  

  Conclusions In this paper we describe the recombinant expression and characterization of ParI, a C5-DNA-MTase from P. arcticus 273–4. To our knowledge, this is the first characterization of an orphan C5-DNA-MTase from a psychrophilic bacterium. The C5-DNA-MTase could not be expressed in regular E

• br Materials and methods br Results

  2020-06-02

  

  Materials and methods Results Discussion In general, CI symptoms are often visible only after the chilled products have been removed from coolstore to a warmer temperature (Schirra and Cohen, 1999). However, in the present work, \'satsuma’ mandarin fruit stored at 2°C showed chilling sympto

• While several C terminal peptides have been reported to

  2020-06-02

  

  While several C-terminal peptides have been reported to have modest (astressin) or substantial (astressin2-B, antisauvagine-30) subtype selectivity for the CRF2 receptor (), [125I]YP20 is the first reported small analog of the C-terminus of CRF exhibiting subtype selectivity for the CRF1 receptor vs

• Upon Edn ligand binding endothelin receptors can

  2020-06-01

  

  Upon Edn ligand binding, endothelin receptors can induce a variety of intracellular signaling cascades leading to diverse cellular responses such as contraction in the case of smooth muscle cells, or cell growth and mitogenesis. Ednrs are expressed in a variety of cell types and tissues, for example

• AMPHs facilitate dopamine release which

  2020-06-01

  

  AMPHs facilitate dopamine release, which further triggers dopamine depletion [72]. Indeed, we observed that repeated treatment of MPA significantly inhibited TH-, DAT-, and VMAT-2 levels. Since DAT and VMAT-2 are important for dopaminergic terminal markers [10], their decreases suggest that MPA-indu

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