Carlos Peña-Varas
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View article: Constitutive sodium permeability in a <i>Caenorhabditis elegans</i> two-pore domain potassium channel
Constitutive sodium permeability in a <i>Caenorhabditis elegans</i> two-pore domain potassium channel Open
Two-pore domain potassium (K2P) channels play a central role in modulating cellular excitability and neuronal function. The unique structure of the selectivity filter in K2P and other potassium channels determines their ability to allow th…
View article: Repurposing the Open Global Health Library for the discovery of novel Mpro destabilizers with scope as broad-spectrum antivirals
Repurposing the Open Global Health Library for the discovery of novel Mpro destabilizers with scope as broad-spectrum antivirals Open
The SARS coronavirus 2 (SARS-CoV-2) epidemic remains globally active. The emergence of new variants of interest and variants of concern (VoCs), which are potentially more vaccine-resistant and less sensitive to existing treatments, is evid…
View article: Antibacterial and Antiviral Properties of Chenopodin-Derived Synthetic Peptides
Antibacterial and Antiviral Properties of Chenopodin-Derived Synthetic Peptides Open
Antimicrobial peptides have been developed based on plant-derived molecular scaffolds for the treatment of infectious diseases. Chenopodin is an abundant seed storage protein in quinoa, an Andean plant with high nutritional and therapeutic…
View article: Trends and challenges in chemoinformatics research in Latin America
Trends and challenges in chemoinformatics research in Latin America Open
Chemoinformatics is an independent inter-discipline with a broad impact in drug design and discovery, medicinal chemistry, biochemistry, analytical and organic chemistry, natural products, and several other areas in chemistry. Through coll…
View article: Iridoid esters from Valeriana pavonii Poepp. & Endl. as GABAA modulators: Structural insights in their binding mode and structure-activity relationship
Iridoid esters from Valeriana pavonii Poepp. & Endl. as GABAA modulators: Structural insights in their binding mode and structure-activity relationship Open
Context: Valeriana pavonii Poepp. & Endl. (Caprifoliaceae), is a plant used in traditional medicine as a tranquilizer in Colombia. Valerian extracts have been widely used since ancient times for their sedative and anxiolytic properties; ho…
View article: Mechanistic insight into substrate specificity of plant glucosinolate transporters
Mechanistic insight into substrate specificity of plant glucosinolate transporters Open
Plants depend on transport processes for correct allocation of specialized metabolites. This is important for optimal defense, avoidance of autotoxicity, connecting compartmented biosynthetic modules and more. Transport of a wide variety o…
View article: New Drug Design Avenues Targeting Alzheimer’s Disease by Pharmacoinformatics-Aided Tools
New Drug Design Avenues Targeting Alzheimer’s Disease by Pharmacoinformatics-Aided Tools Open
Neurodegenerative diseases (NDD) have been of great interest to scientists for a long time due to their multifactorial character. Among these pathologies, Alzheimer’s disease (AD) is of special relevance, and despite the existence of appro…
View article: Structural Insights into the Substrate Transport Mechanisms in GTR Transporters through Ensemble Docking
Structural Insights into the Substrate Transport Mechanisms in GTR Transporters through Ensemble Docking Open
Glucosinolate transporters (GTRs) are part of the nitrate/peptide transporter (NPF) family, members of which also transport specialized secondary metabolites as substrates. Glucosinolates are defense compounds derived from amino acids. We …
View article: PSC-db: A Structured and Searchable 3D-Database for Plant Secondary Compounds
PSC-db: A Structured and Searchable 3D-Database for Plant Secondary Compounds Open
Plants synthesize a large number of natural products, many of which are bioactive and have practical values as well as commercial potential. To explore this vast structural diversity, we present PSC-db, a unique plant metabolite database a…
View article: Analysis of the Zonula occludens Toxin Found in the Genome of the Chilean Non-toxigenic Vibrio parahaemolyticus Strain PMC53.7
Analysis of the Zonula occludens Toxin Found in the Genome of the Chilean Non-toxigenic Vibrio parahaemolyticus Strain PMC53.7 Open
Vibrio parahaemolyticus non-toxigenic strains are responsible for about 10% of acute gastroenteritis associated with this species, suggesting they harbor unique virulence factors. Zonula occludens toxin (Zot), firstly described in Vibrio c…