• Quantum walks can be connected

  2020-03-17

  

  Quantum walks can be connected to extended CMV matrices as follows. If all Verblunsky coefficients with even index vanish, then the extended CMV matrix becomes which resembles the matrix representation U. One may notice, however, that in the extended CMV matrix , whereas in the quantum walk matri

• br Funding This work was supported by the

  2020-03-17

  

  Funding This work was supported by the National Natural Science Foundation of China (grant number 81671411); Beijing Natural Science Foundation (grant number 7162062); Beijing Nova Program Interdisciplinary Cooperation Projects (grant number Z161100004916045); Beijing Municipality Health Technolo

• Epac proteins consist of a carboxyl terminal catalytic

  2020-03-17

  

  Epac proteins consist of a carboxyl-terminal catalytic region and an amino-terminal regulatory region, which harbors one cAMP-binding domain in Epac1 and two in Epac2 [22], [32], [51]. In the absence of cAMP, the regulatory region covers the CDC25-homology domain and autoinhibits Epac\'s enzymatic a

• br RING dimerization RING type domains are

  2020-03-17

  

  RING dimerization RING-type domains are found in many different structural contexts. While many exist as single-chain ABT737 (Fig. 3A), a notable feature of RING-type E3s is their tendency to form homodimers and heterodimers (Fig. 3C–F). Homodimeric RING-type E3s include cIAP, RNF4, BIRC7 (shown

• br Results br Discussion The ubiquitin

  2020-03-17

  

  Results Discussion The ubiquitin system has in recent years become an exciting area for drug discovery (Cohen and Tcherpakov, 2010), as multiple enzymatic steps within the ubiquitylation process are druggable. The potential of targeting the ubiquitin-proteasome pathway was first demonstrated i

• br Introduction Protein modification by

  2020-03-17

  

  Introduction Protein modification by ubiquitin and ubiquitin-like proteins is one of the most common and important regulatory mechanisms in biology (Finley et al., 2004, Pickart, 2004). Ubiquitination is carried out by an enzymatic cascade consisting of three steps. In the first step, ubiquitin i

• Protein expression and purification A mL

  2020-03-17

  

  Protein expression and purification. A 3 mL overnight culture of E. coli BL21 (DE3) pLysS pGEX-6P-3-A1S_0222 was grown in Luria-Bertani (LB)-Medium (10 g/L tryptone, 5 g/L yeast extract, 5 g/L NaCl, pH 7.4, 100 μg/mL Amp) at 37 °C and 160 rpm. The overnight culture was diluted 1:100 into 200 mL LB (

• ASC was reported as a

  2020-03-17

  

  ASC was reported as a potent antiviral and antifungal agent, and its derivatives could modulate a variety of physiological activities, such as anti-tumor, anti-metastatic, and anti-diabetic activities in animals. Mie Tsuruga et al. found that 4-o-methylascochlorin had immunosuppressive activity, but

• br Material and methods br Results br Discussion A

  2020-03-16

  

  Material and methods Results Discussion A. fumigatus utilizes several virulence factors that facilitate its establishment in human hosts. Among these factors, the best known are hydrolytic enzymes such as proteases and phospholipases, toxins, melanine and catalases that neutralize the react

• In all available E E

  2020-03-16

  

  In all available E2:E3 structures, the RING-type domain binds the E2 on a surface that is remote from the active site Cys (and therefore from the ubiquitin thioester) (Fig. 2). The non-contiguous E3-binding and active sites on the E2 imply that the role played by a RING to facilitate ubiquitin trans

• br Acknowledgements br Introduction Laryngeal cancers are th

  2020-03-16

  

  Acknowledgements Introduction Laryngeal cancers are the most frequent cancers of the head and neck region and their occurrence is strongly associated with the exposure to cigarette smoke and the consumption of strong alcohols. Almost all laryngeal cancers are squamous cell carcinomas. Usually

• The study reported here had the

  2020-03-16

  

  The study reported here had the primary goal to compare the methylation of HPV late genes with methylation of the DAPK promoter, and with histological or cytological diagnoses among high-risk patients that were referred to a colposcopy clinic based on abnormal cervical cytology. Based on the litera

• br Acknowledgements br Introduction Anxiety and depression a

  2020-03-16

  

  Acknowledgements Introduction Anxiety and depression are major components of maintaining the cycle of addiction, and are responsible for the negative reinforcement of drug seeking behaviors (Sarnyai et al., 1995, Koob and Le Moal, 2008). Both rats and humans exhibit increased anxiety states du

• On the other hand the properties of collagen materials

  2020-03-16

  

  On the other hand, the properties of collagen materials could be efficiently improved by proper chemical modification. The crosslinking agents for collagen generally involve aldehydes (e.g., glutaraldehyde (GA), isocyanates (e.g., hexamethylene diisocyanate (HMDI), photoreactive agents, polyepoxy co

• Next our exploration shifted to modifications at

  2020-03-16

  

  Next, our exploration shifted to modifications at the lateral chain of the benzoquinone nucleus (SAR 2). Considering that the CK2 inhibitory activity is favoured by the presence of the -Ph-4-NO2 (SAR 1), the subsequent analogues were investigated with this moiety retained. The influence of the side

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