Results 41 to 50 of about 5,584 (214)

Structural Congeners of Izenamides Responsible for Cathepsin D Inhibition: Insights from Synthesis-Derived Elucidation

open access: yesMarine Drugs, 2023
This study aimed to elucidate the structural congeners of natural izenamides A, B, and C (1–3) responsible for cathepsin D (CTSD) inhibition. Structurally modified izenamides were synthesized and biologically evaluated, and their biologically important ...
Hyun Su Kim   +6 more
doaj   +1 more source

Depsipeptide substrates for sortase-mediated N-terminal protein ligation [PDF]

open access: yes, 2014
Technologies that allow the efficient chemical modification of proteins under mild conditions are widely sought after. Sortase-mediated peptide ligation provides a strategy for modifying the N or C terminus of proteins. This protocol describes the use of
AJ Link   +27 more
core   +1 more source

Engineering of Aspergillus niger for the production of secondary metabolites [PDF]

open access: yes, 2014
Background: Filamentous fungi can each produce dozens of secondary metabolites which are attractive as therapeutics, drugs, antimicrobials, flavour compounds and other high-value chemicals.
Boecker, Simon   +7 more
core   +1 more source

Total Syntheses of Cathepsin D Inhibitory Izenamides A, B, and C and Structural Confirmation of Izenamide B

open access: yesMolecules, 2019
The first total syntheses of izenamides A, B, and C, which are depsipeptides inhibitor of cathepsin D, were accomplished. In addition, the stereochemistry of izenamide B was confirmed by our syntheses.
Changjin Lim
doaj   +1 more source

Protozoan-induced regulation of cyclic lipopeptide biosynthesis Is an effective predation defense mechanism for Pseudomonas fluorescens [PDF]

open access: yes, 2009
Environmental bacteria are exposed to a myriad of biotic interactions that influence their function and survival. The grazing activity of protozoan predators significantly impacts the dynamics, diversification, and evolution of bacterial communities in ...
Bruijn, I., de   +3 more
core   +3 more sources

Multicomponent synthesis of hydrazino depsipeptides [PDF]

open access: yesRSC Advances, 2016
Multicomponent reactions (MCRs) offer numerous advantages over traditional sequential reactions for the synthesis of diverse structurally demanding compounds. Isocynide-based MCRs, particularly Passerini and Ugi reactions, are of special importance, because they provide peptide-like compounds able to mimic structure and/or function of natural peptides ...
Barić, Danijela, Jerić, Ivanka
openaire   +3 more sources

Marine pharmacology in 2009-2011: marine compounds with antibacterial, antidiabetic, antifungal, anti-inflammatory, antiprotozoal, antituberculosis, and antiviral activities; affecting the immune and nervous systems, and other miscellaneous mechanisms of action. [PDF]

open access: yes, 2013
The peer-reviewed marine pharmacology literature from 2009 to 2011 is presented in this review, following the format used in the 1998–2008 reviews of this series.
A. D. Rodriguez   +3 more
core   +2 more sources

Total Synthesis of the Depsipeptide FR‐901375. [PDF]

open access: yesChemInform, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Yanping, Chen   +4 more
openaire   +2 more sources

Picocyanobacteria From a Clade Of Marine Cyanobium Revealed Bioactive Potential Against Microalgae, Bacteria, And Marine [PDF]

open access: yes, 2015
The production of bioactive compounds either toxic or with pharmacological applications by cyanobacteria is well established. However, picoplanktonic forms within this group of organisms have rarely been studied in this context.
Barreiro, Aldo   +6 more
core   +1 more source

Discovery and Biosynthesis of the Novel Glycotetrapeptide Antibiotic Biffamycin A

open access: yesAngewandte Chemie International Edition, EarlyView.
Genetic de‐regulation of a silent biosynthetic pathway allowed isolation and characterisation of a novel glycopeptide antibiotic named biffamycin A, which harbours unprecedented 5‐chloro‐4‐methoxy tryptophan and 3R‐hydroxy(α‐D‐mannoysl)‐D‐lysine moieties and is bioactive against MRSA and VRSA.
Michael W. Brigham   +11 more
wiley   +1 more source

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