The Height of Chitinous Ridges Alone Produces the Entire Structural Color Palette
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High signal-to-noise Fourier transform IR (FTIR) spectra of the 5-hydroxytryptamine (serotonin) receptor (5-HT3R) and the nicotinic acetylcholine receptor (nAChR) were obtained by microscope FTIR spectroscopy using micrometer-sized, fully hydrated protein ...
Hydrophobins self assemble into amphipathic films at hydrophobic-hydrophilic interfaces. These proteins are involved in a broad range of processes in fungal development. We have studied the conformational changes that accompany the self-assembly of the hyd ...
The elastic properties of rod-coil diblock copolymer poly(styrene-d8)-b-poly(γ-benzyl L-glutamate) (PSd-b-PBLG) rod-coil diblock copolymer solutions were investigated using small-angle neutron scattering (SANS). PBLG is known to undergo a transition from a ...
The reversible, oriented immobilization of proteins on solid surfaces is a prerequisite for the investigation of mol. interactions and the controlled formation of supramol. assemblies. This paper describes a generally applicable method using a synthetic ch ...
Rotationally resolved spectra in the 5 nu (1) region of (CH3OH)-C-13 reveal strong vibrational splittings, which by analogy to (CH3OH)-C-12, we assign to a resonance between 5 nu (1) and 4 nu (1)+nu (2). Accordingly, the vibrational dynamics on a subpicose ...
Proteolytic activation, oligomerization, and membrane insertion are three steps that precede channel formation by the bacterial toxin aerolysin. Using attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) and hydrogen-deuterium exc ...
Cross-correlation between the fluctuations of 13Ca-Ha interactions affects the relaxation behavior of two-spin coherences (zero- and double-quantum coherences) involving the 13Ca nuclei of two successive amino acid residues. The cross-correlation rates are ...
To test the effect of NH-C(=S) groups on the stability of beta-peptide secondary structures, the authors have synthesized three beta-thiohexapeptide analogs I (X = S, Y = Z = O; X = Z = S, Y = O; X = Y = Z = S) of H-(beta-HVal-beta-HAla-beta-HLeu)2-OH I (X ...
The authors report compelling evidence for the formation of a fourth type of helical secondary structure of a beta-peptide in MeOH, and this phenomenon occurs if each amino acid has a hydroxy group in the 2-position. 2D-NMR expts. of terminally-protected b ...
A serotonin 5-HT3 receptor was functionally expressed to high levels and on a large scale in mammalian cells with the Semliki Forest virus system. Conditions were optimized to maximize detergent solubilization of the receptor, while preserving ligand bindi ...