نتایج جستجو برای: ژن papa
تعداد نتایج: 17426 فیلتر نتایج به سال:
The three-phase DSTATCOM is prone to higher dynamics due grid disturbances. proportionate affine projection algorithm (PAPA) an adaptive filter that can be used for control. In order overcome the sluggish convergence speed of filters, PAPA proposed in this paper. rate versus steady-state error a trade-off conventional filters. However, utilization two filters CSS-PAPA increases and decreases er...
BACKGROUND Physical activity (PA) levels in schools vary widely, and there is interest in studying how student PA accrual relates to school policy and environmental conditions. School PA policy research, however, is in its infancy and generalizable measurement tools do not exist. We developed and assessed reliability of items on the School Physical Activity Policy Assessment (S-PAPA), an instru...
Hypoxia modulates nitric oxide-induced regulation of NMDA receptor currents and neuronal cell death.
Nitric oxide (NO) released from a new chemical class of donors enhances N-methyl-d-aspartate (NMDA) channel activity. Using whole cell and single-channel patch-clamp techniques, we have shown that ( Z)-1-[ N-(3-ammoniopropyl)- N-( n-propyl)amino]-NO (PAPA-NO) and diethylamine NO, commonly termed NONOates, potentiate the glutamate-mediated response of recombinant rat NMDA receptors (NR1/NR2A) ex...
The major subassemblies of virulence-associated P pili, the pilus rod (comprised of PapA) and tip fibrillum (comprised of PapE), were reconstituted from purified chaperone-subunit complexes in vitro. Subunits are held in assembly-competent conformations in chaperone-subunit complexes prior to their assembly into mature pili. The PapD chaperone binds, in part, to a conserved motif present at the...
Proteins belonging to the DHH family, a member of the phosphoesterase superfamily, are produced by most bacterial species. While some of these proteins are well studied in Bacillus subtilis and Escherichia coli, their functions in Streptococcus pneumoniae remain unclear. Recently, the highly conserved DHH subfamily 1 protein PapP (SP1298) has been reported to play an important role in virulence...
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