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| http://dx.doi.org/10.1042/bj0670572 | DOI Listing |
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High-resolution fleezers reveal duplex opening and stepwise assembly by an oligomer of the DEAD-box helicase Ded1p.
Nat Commun
January 2025
Department of Physics and Astronomy, Michigan State University, East Lansing, MI, USA.
DEAD-box RNA-dependent ATPases are ubiquitous in all domains of life where they bind and remodel RNA and RNA-protein complexes. DEAD-box ATPases with helicase activity unwind RNA duplexes by local opening of helical regions without directional movement through the duplexes and some of these enzymes, including Ded1p from Saccharomyces cerevisiae, oligomerize to effectively unwind RNA duplexes. Whether and how DEAD-box helicases coordinate oligomerization and unwinding is not known and it is unclear how many base pairs are actively opened.
View Article and Find Full Text PDFHeterologous expression of a recombinant ACE inhibitory peptide LYPVK and its potential antihypertensive action mechanism.
Int J Biol Macromol
January 2025
College of Food Science and Engineering, Ocean University of China, Qingdao 266404, China. Electronic address:
Enzymatic hydrolysis approach is commonly employed for preparation of active peptides, while the limited purity and yield of produced peptides hinder further development of action mechanisms. This study presents the biotechnological approach for the efficient production of recombinant angiotensin converting enzyme (ACE) inhibitory peptide LYPVK and investigates its potential antihypertensive action mechanism. DNA encoding sequence of recombinant peptide was designed to form in tandem, which was expressed in Escherichia coli BL21 (DE3).
View Article and Find Full Text PDFPortable pH meter-based competitive immunoassay of E-selectin using urease-encapsulated metal-organic frameworks.
Talanta
January 2025
Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, PR China. Electronic address:
E-selectin (CD62E) is an adhesion molecule expressed on the surface of endothelial cells (ECs) and its level increases significantly upon the stimulation of ECs by inflammatory factors. Quantitative analysis of CD62E is of great importance to early diagnosis and treatment of vascular diseases and hypertension. A new method for the determination of CD62E was developed using a portable pH meter in this work.
View Article and Find Full Text PDFQuantitative Insights into Processivity of an Hsp100 Protein Disaggregase on Folded Proteins.
Biophys J
January 2025
Department of Chemistry, University of Alabama at Birmingham, Birmingham, Alabama. Electronic address:
The Hsp100 family of protein disaggregases play important roles in maintaining protein homeostasis in cells. E. coli ClpB is an Hsp100 protein that solubilizes protein aggregates.
View Article and Find Full Text PDFNutrient-Nutrient Interactions Among Broccoli Glucosinolates and Their Implications for Breeding Cruciferous Crops to Enhance Human Health.
Nutrients
January 2025
Plants for Human Health Institute, North Carolina State University, 600 Laureate Way, Kannapolis, NC 28081, USA.
Unlabelled: While a balanced diet can fulfill most nutritional needs, optimizing the composition of specific foods like broccoli can amplify their health benefits.
Background/objectives: Broccoli ( L. Italica group) is a widely consumed cruciferous vegetable valued for its gastrointestinal and immune health benefits.
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