منابع مشابه
Time-resolved circularly polarized protein phosphorescence.
The existence of circular polarization in room-temperature protein phosphorescence is demonstrated, and time-resolved circularly polarized phosphorescence (TR-CPP) is used to characterize unique tryptophan environments in multitryptophan proteins. Circularly polarized luminescence studies provide information regarding the excited state chirality of a lumiphore which can be used to extract sensi...
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Allostery represents a fundamental mechanism of biological regulation that is mediated via long-range communication between distant protein sites. Although little is known about the underlying dynamical process, recent time-resolved infrared spectroscopy experiments on a photoswitchable PDZ domain (PDZ2S) have indicated that the allosteric transition occurs on multiple timescales. Here, using e...
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The advantages of time-resolved fluorometry over conventional fluorometric analysis are well known. However, time-resolved fluorescence has not as yet found wide applications in protein microarray or other multiparametric methods of analysis. Here we describe a general method which is suitable for multiparametric and microarray analysis, based on time-resolved fluorometry. A polystyrene surface...
متن کاملTheoretical studies of time-resolved spectroscopy of protein folding.
Recently, we have made significant improvements in the accuracy of calculations of the circular dichroism of proteins from first principles. The quality of these calculations (especially at 220 nm, a key wavelength, where the intensity of the band correlates well with the helical content of polypeptides) has given us confidence to use such calculations to analyse nanosecond molecular dynamics s...
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Bactericidal/permeability-increasing protein (BPI) is a cationic antimicrobial protein produced by polymorphonuclear leukocytes, that specifically interacts with and kills Gram-negative bacteria. BPl competes with lipopolysaccharide-binding protein (LBP) secreted by liver cells into blood plasma for binding to lipopolysaccharide (LPS) and thus reduces the proinflammatory effects of LPS. We have...
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ژورنال
عنوان ژورنال: Nature Methods
سال: 2019
ISSN: 1548-7091,1548-7105
DOI: 10.1038/s41592-019-0482-z