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140 683 results (0,42s)

Result

Per(6-amino-2-O-carboxymethyl-6-deoxy-3-O-methyl)-alpha-cyclodextrin: Helical self-assembly of a polyionic amino acid into nanotubes

Per(6-amino-2-O-carboxymethyl-6-deoxy-3-O-methyl)-alpha-cyclodextrin: Helical self-assembly of a polyionic amino acid into nanotubes......

CA - Anorganická chemie

  • 2002
  • Jx
Result

Theoretical Modeling of Peptide .alpha.-Helical Circular Dichroism in Aqueous Solution

In this study, the time-dependent density functional theory (TDDFT), configuration interaction with single excitation (CIS), and transition dipole coupling (TDC), were used to asses the most important factors contributing to the CD spectra of .al...

CF - Fyzikální chemie a teoretická chemie

  • 2011
  • Jx
  • Link
Result

The C-terminal tetrapeptide HWFW of the Chlorella HUP1 hexose/H+-symporter is essential for full activity and an alpha-helical structure of the C-terminus.

Annotation not available...

EB - Genetika a molekulární biologie

  • 2000
  • Jx
Result

Vibrational and electronic circular dichroism as powerful tools for the conformational analysis of cationic antimicrobial peptides

Antimicrobial and hemolytic activities of cationic alpha-helical antimicrobial peptides depend on their ability to adopt an amphipathic alpha-helical conformation carried out a conformational study of two alpha...

CB - Analytická chemie, separace

  • 2016
  • Jx
  • Link
Result

Solvated States of Poly-L-alanine alpha-Helix Explored by Raman Optical Activity

in the present study by simulations of ROA spectra for model alpha-helical structures. Two and proteins have been assigned to two types of solvated alpha-helices; one is stable structure of polyp...

CF - Fyzikální chemie a teoretická chemie

  • 2014
  • Jx
  • Link
Result

Molecular Dynamics with Helical Periodic Boundary Conditions

simulations including alpha-helical and polyproline II like peptide structuresHelical symmetry is often encountered in nature and thus also in molecular dynamics (MD) simulations. In many cases, an approximation b...

CF - Fyzikální chemie a teoretická chemie

  • 2014
  • Jx
  • Link
Result

Toroidal Flux Ropes with Elliptical Cross Sections and Their Magnetic Helicity

their alphas and magnetic helicities depend on parameters of the flux ropes. Magnetic configurations are found numerically using a general solution of a constant-alpha force-free of oblatenesses and aspect ratios. Resultin...

Astronomy (including astrophysics,space science)

  • 2017
  • Jimp
  • Link
Result

Conformational study of melectin and antapin antimicrobial peptides in model membrane environments

alpha-helical conformation on the surface of the bacterial membrane. Hence a significant content of alpha-helical conformation in the solutions of negatively charged liposomes used as models of the eukaryotic memb...

Analytical chemistry

  • 2017
  • Jimp
  • Link
Result

alpha-Synuclein conformations followed by vibrational optical activity. Simulation and understanding of the spectra

the spectral shapes and protein structure. Vibrational circular dichroism (VCD) and Raman optical activity (ROA) spectra of alpha-synuclein in disordered, alpha-helicalalpha-Synuclein is a neuronal protei...

Physical chemistry

  • 2021
  • Jimp
  • Link
Result

Effect of hydrocarbon stapling on the properties of alpha-helical antimicrobial peptides isolated from the venom of hymenoptera

Introducing all-hydrocarbon staples into short alpha-helical amphipathic antimicrobial peptides increases their hydrophobicity, hydrophobic moment, rigidity and generally alpha-helicity in water. Stapling generally...

CC - Organická chemie

  • 2012
  • Jx
  • Link
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