• While we previously demonstrated that TraG is

  2020-04-21

  

  While we previously demonstrated that TraG is inhibited by specific transglycosylase inhibitors and that enzymatic activity is strongly reduced upon mutation of the potential catalytic core (Arends et al., 2013), the enzymatic mechanism of both domains was not assigned. Here, by mass spectrometry an

• The majority of serpins inhibit serine proteases but

  2020-04-20

  

  The majority of serpins inhibit serine proteases, but serpins that inhibit caspases or papain-like cysteine proteases have also been identified [4], [5]. Inhibitory serpins are ‘suicide’ or ‘single use’ inhibitors that use a unique conformational change to inhibit proteases. This conformational tran

• Our data supports the conclusion that the exonuclease

  2020-04-20

  

  Our data supports the conclusion that the exonuclease activity thought to be intrinsic to Artemis is not a component of the Artemis polypeptide. Many possibilities exist to explain the presence of the exonuclease activity in less-pure fractions of Artemis. It is possible that the exonuclease is simp

• br Introduction br Structure of the Ku heterodimer associate

  2020-04-20

  

  Introduction Structure of the Ku heterodimer associated to DNA The atomic structure of the Ku heterodimer, alone and bound to a small DNA fragment, was recently determined (Walker et al., 2001) and has significantly improved our understanding of DNA recognition by DNA-PK holoenzyme (Fig. 3). B

• br Materials and methods br Results br

  2020-04-20

  

  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

• br Materials and methods Male

  2020-04-20

  

  Materials and methods Male Hartley guinea pigs (300–350g) were obtained from National Laboratory Animal Center, Taiwan. LTD4, LTC4, LTE4, LTB4, montelukast and BAY u9773 were purchased from Cayman Chemical, Ann Arbor, Michigan; Carbachol, atropine, l-serine, boric acid, l-cysteine and all buffer

• 20(S)-Hydroxycholesterol In the present study we used a new

  2020-04-20

  

  In the present study, we used a new luminescent method to measure CYP activity with Luciferin-ME as a substrate which is used for wide ranges of mammalian CYPs, including CYP1A2, CYP2C8, CYP2C9, CYP2J2, CYP4A11, and CYP4F3B. As a result, no significant modulations of CYP activities in B[a]P exposure

• Besides the regulation of the stress responses CRF and the

  2020-04-20

  

  Besides the regulation of the stress responses, CRF and the urocortins have been implicated in drug addiction (Bruijnzeel and Gold, 2005, Sarnyai et al., 2001). For instance nicotine, the addictive substance of tobacco, can activate the HPA axis, just like any other stressor may do, although its imp

• br Material and methods br Results

  2020-04-20

  

  Material and methods Results Discussion Monomeric CDK5 shows no enzymatic activity and requires the association with a regulatory partner for activation (Dhavan and Tsai, 2001). Here, we found that CDK7 might be one of the partners required for activation of CDK5 in the skin tissue, based o

• br Genotype phenotype correlations Genotype

  2020-04-20

  

  Genotype-phenotype correlations Genotype-phenotype correlations are limited. Compared with individuals with truncating variants, those with pathogenic missense variants in the adenosine triphosphate binding site had a milder disorder, some with ability to walk unaided, better hand use, and less r

• Initially the E uses ATP to activate

  2020-04-20

  

  Initially, the E1 uses ATP to activate the C-terminal glycine residue of ubiquitin prior to ligation. In the first step of E1 activation, the E1 catalyzes the adenylation of ubiquitin and pyrophosphate (PPi) release. In the second step, the E1 releases adenosine monophosphate (AMP) and a thioester b

• Cyclin D inhibits the transcriptional activity of the transc

  2020-04-20

  

  Cyclin D1 inhibits the transcriptional activity of the transcription factors myogenin and MEF2 [39,40]. In addition, myogenin activates MEF2 expression, which feeds back to amplify the myogenin promoter [38]. In this study, DGKδ suppression, in addition to the increase of cyclin D1, inhibited myogen

• Peptides undergoing only a single hydroxylation i e PA

  2020-04-18

  

  Peptides undergoing only a single hydroxylation, i.e. PA-Hyp-KPAPK and PAPK-Hyp-APK, were then used to investigate the kinetics of vCPH co-factor and co-substrate dependences. The values for KMapp for Fe(II) and KM for 2OG for the two peptide substrates were within error (KMapp, Fe(II): 0.9 μM ± 0.1

• In a recent study a CMV DNA load cut off

  2020-04-18

  

  In a recent study, a CMV DNA load cut-off of 500 IU/ml in BAL fluid was found to have a positive predictive value of ∼50% for the presence of probable CMV pneumonia (considering a prevalence of this event of 10% among patients at risk and undergoing BAL testing). Tan et al., in contrast, found CMV D

• Two nutrient sensing pathways the cAMP protein kinase

  2020-04-18

  

  Two nutrient-sensing pathways, the cAMP-protein kinase A (PKA) pathway and the target of rapamycin complex 1 (TORC1) pathway, are implicated in Msn2/4 regulation. Under non-stress conditions, Msn2 localizes in the cytoplasm and is inactivated by both PKA-dependent phosphorylation of the nuclear loca

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