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Through an unknown mechanism RING Ubox type E dimers and
2021-03-22

Through an unknown mechanism, RING/Ubox-type E3 dimers and the N-terminal tail have been shown to function as a modulator of full E3 ubiquitin ligase activity [27]. LRSAM1 promotes a significant enhancement in the formation of the high-molecular-weight products or E3 activity when the RING domain is
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In anticipation of an approach
2021-03-22

In anticipation of an approach based on modification of the cyclohexylacetic Cholera Toxin mg subunit of 1 as a means of improving permeability, a set of analogs were prepared to map out the optimum display of the acidic functionality. Homologated acids 25 and 26 were found to be equipotent to 1, a
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Uracil residues incorporated into DNA exist
2021-03-22

Uracil residues incorporated into DNA exist transiently since they are subject to removal by the multi-step uracil-initiated DNA proton pump inhibitors excision repair (BER) process [2], [14]. In E. coli, uracil-DNA BER is initiated by uracil-DNA glycosylase (Ung), which catalyzes the hydrolytic cl
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peptide receptors The all NTP pyrophosphatase and
2021-03-22

The all-α NTP pyrophosphatase and NUDIX families maintain the deoxynucleotide triphosphate (dNTP) pool balance, limit the incorporation of harmful nucleotides, and represent a promising therapeutic approach to develop anticancer and immunosuppressive agents., , , , Among these housekeeping enzymes i
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br Amygdala microcircuitry and fear learning Recent
2021-03-22

Amygdala microcircuitry and fear learning Recent work has begun to dissect functional amygdala circuits that are responsible for the acquisition and expression of fear learning. Ciocchi et al. (2010) identified separable populations of antimalaria medication within the CeAL that have opposite re
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DMAP br Acknowledgements We are grateful to the
2021-03-22

Acknowledgements We are grateful to the National Natural Science Foundation of China (Grant Nos. 21571033 and 81503099) and the New Drug Creation Project of the National Science and Technology Major Foundation of China (Grant No. 2015ZX09101032) for financial aids to this work. The research was a
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br Materials and methods br
2021-03-19

Materials and methods Results Discussion COX-2-mediated production of PGE2 is involved in cell growth and metastasis of many cancers. Previous studies indicated that COX-2 was overexpressed in many cancer tissues and that PGE2 increased cancer cell growth, a process that could be suppressed
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The glycolytic pathway is a
2021-03-19

The glycolytic pathway is a catabolic route that ends with the synthesis of pyruvate (Pyr). In Arabidopsis embryos, the conversion of phosphoenolpyruvate (PEP) to Pyr, catalyzed by pyruvate kinase (PK), is mainly located in the plastids [10], [11]. The preceding reaction is catalyzed by enolase (ENO
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br Acknowledgments br Introduction br Endothelin receptors S
2021-03-19

Acknowledgments Introduction Endothelin receptors Shortly after the discovery of ET‐1, two types of seven transmembrane G protein‐coupled receptors were cloned called endothelin receptor A (ETA) (Arai et al., 1990) and ETB (Sakurai et al., 1990). The affinity of the ETA receptor for ET-3 is
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br Materials and methods br Results and discussion
2021-03-19

Materials and methods Results and discussion Conclusion The glycyl endopeptidase from papaya latex was partitioned using aqueous two-phase (10%PEG 6000–10% (NH4)2SO4) in combination with ammonium sulphate precipitation (40–60% saturation). The partially purified glycyl endopeptidase showed
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How does an increase in
2021-03-19

How does an increase in E2 affinity for the RING domain favor higher activity and polyubiquitination by the E2? Binding of the RING domain to the E2 positions the donor Ub in the E2~Ub conjugate in a closed complex [16], [17], [18] that increases the reactivity of the thioester [60]. A higher affini
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Based on the SUMO SIM interaction involved in SUMOD position
2021-03-19

Based on the SUMO–SIM interaction involved in SUMOD positioning, a SUMO2ΔSBD (SIM-binding domain; Q30A, F31A, I33A) mutant can be investigated that disrupts this important binding interface (Eisenhardt et al., 2015; Meulmeester, Kunze, Hsiao, Urlaub, & Melchior, 2008). In Fig. 4A, multiturnover assa
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As before all calculations are based
2021-03-19

As before [3], [4], all calculations are based on thermodynamically first- and second-order hydropathic (amino acid) scales [6], [7], linearly scaled to a common center and a common range for each of the 20 amino acids. These are then converted to a triangular matrix , where is the length of a s
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N acetylation by N acetyltransferase NAT is an important
2021-03-19

N-acetylation by N-acetyltransferase (NAT) is an important metabolic pathway for some substances, and there are 2 functional NAT isoforms in humans—NAT1 and NAT2. Studies of etamicastat in healthy subjects showed an extensive N-acetylation of etamicastat to the inactive metabolite BIA 5-961, and a l
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To study the role of
2021-03-19

To study the role of DNA–PK in the response to replication arrest, we used the DNA replication inhibitor aphidicolin (APH). APH, a mycotoxin isolated from Cephalosporium aphidicola, inhibits DNA replication by interacting with the replicating DNA polymerase α (pol α). APH specifically inhibits the a
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