Results 51 to 60 of about 125,417 (229)

Cinnamomum zeylanicum Extract and its Bioactive Component Cinnamaldehyde Show Anti-Tumor Effects via Inhibition of Multiple Cellular Pathways

open access: yesFrontiers in Pharmacology, 2022
Cinnamomum zeylanicum is a tropical plant with traditional medicinal significance that possesses antimicrobial, antifungal, anti-parasitic, and anti-tumor properties.
Sadhna Aggarwal   +8 more
doaj   +1 more source

Vibrational Structure of Dihydrofolate Bound to R67 Dihydrofolate Reductase [PDF]

open access: yesJournal of Biological Chemistry, 2001
R67 is a Type II dihydrofolate reductase (DHFR) that catalyzes the reduction of dihydrofolate (DHF) to tetrahydrofolate by facilitating the addition of a proton to N5 of DHF and the transfer of a hydride ion from NADPH to C6. Because this enzyme is a plasmid-encoded DHFR from trimethoprim-resistant bacteria, extensive studies on R67 with various ...
H, Deng, R, Callender, E, Howell
openaire   +2 more sources

Assessment of Attainable Distances in Proteins by Through‐Space 19F–19F Couplings

open access: yesChemistry – A European Journal, EarlyView.
De novo synthesized difluorinated tryptophan analogues are site‐specifically incorporated into Cyclophilin A (CypA). 19F–19F NOESY build‐up experiments are recorded for each labeled protein, and the distances derived from cross‐relaxation rates are compared to reference distances.
Iker Hernández   +6 more
wiley   +1 more source

Protein Dynamics and its Correlation to Protein Activity and Stability [PDF]

open access: yes, 2009
The aim of this thesis is to investigate the role of fast protein dynamics (picosecond timescale) in enzyme activity and stability, and specifically to test the hypothesis that enzyme activity and stability are inversely related by their internal ...
Clement, David
core  

Inherited metabolic epilepsies–established diseases, new approaches

open access: yesEpilepsia Open, EarlyView.
Abstract Inherited metabolic epilepsies (IMEs) represent the inherited metabolic disorders (IMDs) in which epilepsy is a prevailing component, often determining other neurodevelopmental outcomes associated with the disorder. The different metabolic pathways affected by individual IMEs are the basis of their rarity and heterogeneity.
Itay Tokatly Latzer, Phillip L. Pearl
wiley   +1 more source

Extraction of Antimicrobial Peptides From Fava Bean Protein Hydrolyzate by Phosphorylated Biochar

open access: yesFood Safety and Health, EarlyView.
Antimicrobial peptides were extracted by functional biochar in one step. The enriched peptides demonstrated significantly enhanced antibacterial activity. ABSTRACT The extraction of antimicrobial peptides (AMPs) from plant proteins remains challenging due to their low abundance, structural diversity, and the need for mild, efficient, and selective ...
Xiang‐Yu Huang   +8 more
wiley   +1 more source

Type 2 antifolates in the chemotherapy of falciparum malaria

open access: yesJournal of the Brazilian Chemical Society, 2002
About 40% of the world population is exposed to malaria, which results in the death of over 2 million people per year in Africa, Latin America, Southern Asia and Oceania.
Delfino Reinaldo T.   +2 more
doaj  

The Preparation of Novel Fluorenes Inspired by Hipposudoric Acid

open access: yesHelvetica Chimica Acta, EarlyView.
In this research we report on the design and synthesis of a series of fluorene‐based derivatives loosely inspired by the tricyclic framework of hipposudoric acid. Preparation of sixteen novel N‐alkylated derivatives was accomplished via a series of concise one‐step amide N‐alkylation reactions.
Munib Uddin   +3 more
wiley   +1 more source

Effect of Sunflower (Helianthus annuus L.) Seeds Treatment by Diode Laser Radiation in Seedlings and Calli Growth

open access: yesمجلة مركز بحوث التقنيات الاحيائية, 2015
The effect of the exposure of sunflower (Helianthus annuus L.) seeds to red light laser radiation with 650 nm 50 mw/cm2 by diode laser in germination and growth of seedlings and calli had been studied.
Sara N. Ghanem Ghanem   +1 more
doaj   +1 more source

Plasmepsins as Antimalarial Drug Targets—Then, Now, and the Future

open access: yesMedicinal Research Reviews, EarlyView.
ABSTRACT Malaria is a devastating disease caused by Plasmodium parasites. Plasmodium parasites express ten cathepsin D‐like aspartyl proteases, called plasmepsins (PMs). These PMs have diverse roles fulfill diverse functions throughout the parasite's lifecycle, though several exhibit functional redundancies. Among them, PMV, PMIV, and PMX are essential
Brad E. Sleebs
wiley   +1 more source

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