Relative and Regional Stabilities of the Hamster, Mouse, Rabbit, and Bovine Prion Proteins toward Urea Unfolding Assessed by Nuclear Magnetic Resonance and Circular Dichroism Spectroscopies

Biochemistry ◽  
2011 ◽  
Vol 50 (35) ◽  
pp. 7536-7545 ◽  
Author(s):  
Olivier Julien ◽  
Subhrangsu Chatterjee ◽  
Trent C. Bjorndahl ◽  
Braden Sweeting ◽  
Sandipta Acharya ◽  
...  
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Circular Dichroism ◽  
Magnetic Resonance ◽  
Prion Proteins ◽  
Urea Unfolding ◽  
Circular Dichroïsm ◽  
Nuclear Magnetic

scholarly journals Intramolecularly stapled amphipathic peptides via a boron–sugar interaction

2020 ◽  
Vol 56 (62) ◽  
pp. 8814-8817 ◽  
Author(s):  
Monika Kijewska ◽  
Angelika Czerwińska ◽  
Samah Al-Harthi ◽  
Grzegorz Wołczański ◽  
Mateusz Waliczek ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Nuclear Magnetic Resonance ◽  
Circular Dichroism ◽  
Magnetic Resonance ◽  
Phenylboronic Acid ◽  
Intramolecular Interactions ◽  
Peptide Chain ◽  
Amphipathic Peptides ◽  
Circular Dichroïsm ◽  
Nuclear Magnetic

The intramolecular interactions between the fructosyl moiety and phenylboronic acid incorporated into various positions of the peptide chain were investigated using mass spectrometry (MS), circular dichroism (CD), and nuclear magnetic resonance (NMR).

scholarly journals Piscicartone, a Rotenoid From Piscidia carthagenensis

2019 ◽  
Vol 14 (5) ◽  
pp. 1934578X1984979
Author(s):  
Alfredo R. Ortega ◽  
Nury Pérez-Hernández ◽  
Pedro Joseph-Nathan
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Fourier Transform ◽  
Circular Dichroism ◽  
Magnetic Resonance ◽  
Discrete Fourier Transform ◽  
Absolute Configuration ◽  
Vibrational Circular Dichroism ◽  
Magnetic Resonance Studies ◽  
Circular Dichroïsm ◽  
Nuclear Magnetic

The bark of the roots of Piscidia carthagenensis afforded the known insecticides rotenone (1) and millettone (2), as well as the new rotenoid piscicartone (3). The structure of 3 followed from nuclear magnetic resonance studies, while its absolute configuration (AC) was determined by vibrational circular dichroism (VCD) measurements in comparison with discrete Fourier transform B3LYP/DGDZVPcalculated spectra using the Compare VOA software. In addition, the AC of 1 and 2 was verified using the same VCD methodology.

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