Self‐assembled artificial ion‐channels toward natural selection of functions

S Zheng, L Huang, Z Sun… - Angewandte Chemie …, 2021 - Wiley Online Library
Owing to their significant physiological functions, especially as selective relays for
translocation of physiological relevant species through cellular membranes, natural ion …

β-Turn editing in Gramicidin S: Activity impact on replacing proline α-carbon with stereodynamic nitrogen

J Lal, G Kaul, A Akhir, D Saxena, H Dubkara… - Bioorganic …, 2023 - Elsevier
Gramicidin S, natural antimicrobial peptide is used commercially in medicinal lozenges for
sore throat and Gram-negative and Gram-positive bacterial infections. However, its clinical …

Influence of proline chirality on neighbouring azaproline residue stereodynamic nitrogen preorganization

J Lal, G Prajapati, R Meena, R Kant… - Chemistry–An Asian …, 2023 - Wiley Online Library
We report herein the first systematic crystal structural investigation of azaproline
incorporated in homo‐and heterochiral diprolyl peptides. The X‐ray crystallography data of …

Medicinal leech antimicrobial peptides lacking toxicity represent a promising alternative strategy to combat antibiotic-resistant pathogens

EN Grafskaia, KD Nadezhdin, IA Talyzina… - European Journal of …, 2019 - Elsevier
The rise of antibiotic resistance has necessitated the development of alternative strategies
for the treatment of infectious diseases. Antimicrobial peptides (AMPs), components of the …

Selbstorganisierte künstliche Ionenkanäle für die natürliche Selektion von Funktionen

SP Zheng, LB Huang, Z Sun, M Barboiu - Angewandte Chemie, 2021 - Wiley Online Library
Aufgrund ihrer wichtigen physiologischen Funktionen, insbesondere als selektive Relais für
die Translokation physiologisch relevanter Spezies durch Zellmembranen, spielen …

Bio-evaluation of fluoro and trifluoromethyl-substituted salicylanilides against multidrug-resistant S. aureus

J Lal, G Kaul, A Akhir, SB Ansari, S Chopra… - Medicinal Chemistry …, 2021 - Springer
Methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant
Staphylococcus aureus (VRSA) are primary causes of skin and soft tissue infections …

Design of a Sea snake antimicrobial peptide derivative with therapeutic potential against drug-resistant bacterial infection

J Gao, M Zhang, F Zhang, Y Wang… - ACS Infectious …, 2020 - ACS Publications
Infections caused by drug-resistant pathogens are a worldwide challenge for public health.
Antimicrobial peptides (AMPs) are regarded as promising antibiotic alternatives for the …

Deformylated gramicidin A and its derivatives showing high antimicrobial activity and low hemolytic toxicity

WW Haoyang, M Zhang, JL Hou - Chinese Journal of …, 2019 - Wiley Online Library
Summary of main observation and conclusion Gramicidin A is a natural peptide, which
shows high antimicrobial activity to Gram‐positive bacteria. However, the hemolytic toxicity …

Stabilizing Bifurcated Hydrogen Bond in 8‐Aminoquinoline Appended Peptides

S Shekhar, R Meena, J Lal, M Yadav… - Chemistry–An Asian …, 2024 - Wiley Online Library
The hydrogen bonding interaction between an amide N− H and the amide N of the
preceding residue is prevalent in proline‐containing proteins and peptides. However, the N …

Conformational preferences of aza-proline residues and their impact on the relative stability of polyproline structures

HS Park, YK Kang - New Journal of Chemistry, 2023 - pubs.rsc.org
The effects of replacement with aza groups in the proline ring on the conformational
preference and prolyl cis–trans isomerization were investigated for Ac-X-OMe (X= α-azPro, β …