نتایج جستجو برای: atm
تعداد نتایج: 13493 فیلتر نتایج به سال:
DNA damage can activate the oncosuppressor protein ataxia telangiectasia mutated (ATM), which phosphorylates the histone H2AX within characteristic DNA damage foci. Here, we show that ATM undergoes an activating phosphorylation in syncytia elicited by the envelope glycoprotein complex (Env) of human immunodeficiency virus-1 (HIV-1) in vitro. This was accompanied by aggregation of ATM in discret...
BACKGROUND Aurantimycin (ATM), produced by Streptomyces aurantiacus JA 4570, is a potent antimicrobial and antitumor antibiotic. Although the chemical structure of ATM is highly distinctive and features a cyclohexadepsipeptide scaffold attached with a C14 acyl side chain, little is known about its biosynthetic pathway and regulatory mechanism. RESULTS In this work, we report the identificatio...
ATM is a PI 3-kinase involved in DNA double-strand break repair. ATM deficiency leads to ataxia-telangiectasia (A-T), a syndrome of cancer susceptibility, hypersensitivity to ionizing radiation, immune deficiency, and sterility [1, 2]-phenotypes that can straightforwardly be attributed to a defective response to DNA damage. Yet patients with A-T also suffer from ataxia, speech defects, and abno...
The kinetics of toluene hydrogenation over Ni-supported catalysts with various supports was investigated under the wide range of conditions as 130 to 210 °C reaction temperature, 2.6×10-5 to 5.9×10-5 atm partial pressure of hydrogen and 1.4×10-9 to 3.7×10-8 atm partial pressure of toluene. For more study, two kinetics models were also selected and studied to describe the kinetics of this proces...
We present and discuss detailed measurements of TCP in the European ATM Pilot. In this wide area ATM network, the traffic contract is enforced by a Usage Parameter Control (UPC) mechanism. We show that when the ATM level traffic was compliant, TCP achieved a good utilisation of the link. However, when the ATM level traffic was only almost compliant, the TCP throughput almost collapsed.
Automated teller machines (ATM) have become a part and parcel of supermarkets, convenience stores, travel centers and banking. ATM is a real-time system that is very complex in design and application. This paper presents the formal design, requirement, a distributed approach for the ATM networks, and type of the ATM system.
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