Articles tagged with Biomolecular Structure
Researchers at Johns Hopkins University have engineered microscopic pipes made of nanotubes that can transport molecules over long distances without leaking. The team successfully directed the flow of fluorescent molecules through the nanotubes, which could potentially be used to study diseases and understand how neurons interact with ...
A team of scientists has provided an intricate blueprint of the RuvB AAA+ motor, which converts chemical energy into mechanical work to perform branch migration in DNA recombination. The research reveals that the motor uses a basic lever mechanism to generate force and moves the DNA substrate through a cyclical manner.
Researchers have identified three natural compounds that bind to a key enzyme in the coronavirus, potentially blocking its replication. Hydroxyethylphenol, hydroxybenzaldehyde, and methyldihydroxybenzoate showed reduced activity against the papain-like protease enzyme, with effects ranging from 50-70%.
The CHEETAH Center is a leading institution for HIV research, publishing over 300 papers on the virus's inner workings and potential treatments. Researchers are focusing on understanding HIV's life cycle, identifying key components essential for viral infection and replication.
Researchers determined the cryo-EM structure of IGF Ternary complex and its assembly & activation mechanism. The study reveals how IGFBP3 and ALS form a stable complex with IGF1, regulating its activity. The findings provide new insights into growth-related diseases such as growth hormone deficiency and ALS deficiency.
Researchers at Van Andel Institute and University of Freiburg have discovered an enzyme that can break down nitrous oxide into harmless nitrogen and water. This breakthrough could potentially combat one of the main contributors to climate change, which accounts for only 7% of greenhouse gases but has a much greater impact.
Researchers have discovered the process of incorporating selenium into 25 specialized proteins, essential for various cellular and metabolic processes. The study provides critical insights into the workings of these vital mechanisms, which could lead to the development of new medical therapies.
Researchers at Chalmers University of Technology have developed a groundbreaking microscopy technique that allows for the study of proteins, DNA, and other biological particles in their natural state. This innovation enables earlier detection of promising drug candidates and provides valuable insights into cell communication processes.
Researchers at the Beckman Institute for Advanced Science and Technology observed structural chirality in achiral conjugated polymers, which can enhance solar cells' charge capacity. This discovery introduces new opportunities for research at the convergence of biology and electronics.
A team of researchers has combined expansion microscopy and stimulated Raman scattering microscopy to create a new imaging technique called MAGNIFIERS. This allows for the high-resolution imaging of biomolecules, including proteins, lipids, and DNA, at the nanoscale.
The study reveals the structure of D13 and its role in assembling into a protein scaffold, which is critical for virus replication. The researchers discovered two ways the proteins interact to form a spherical honeycomb lattice, with a small helix structure playing a key role in assembly.
A study led by Przemyslaw Nogly at PSI has detailed insight into the mechanism of a light-driven chloride pump in bacteria, revealing how light energy converts to kinetic energy and transports chloride ions inside cells. The pump uses two molecular gates to ensure one-way transport, with the process taking around 100 milliseconds.
Researchers have created a powerful DNA-peptide hybrid that could lead to advancements in nanotechnology and the study of Alzheimer's disease. The new structure combines three-stranded DNA and peptide structures, overcoming the challenge of chirality between these biomolecules.
Scientists identified multiple enzymes involved in C-glycoside metabolism, revealing a common reaction mechanism in both intestinal and soil bacteria. This discovery could provide insight into how the body breaks down these molecules and potentially lead to new treatments for diseases.
A new analytical technique combines quantum physics and molecular biology to track biomolecule changes in less than a trillionth of a second. By analyzing the collective movement of atoms, researchers were able to reduce 6000 dimensions to four and characterize conical intersections of quantum states in complex molecules.
Researchers developed a new NMR spectroscopic method to map IDP function more easily, fast, and accurately. The method sheds light on mechanisms of diseases like Parkinson's, Alzheimer's, and type 2 diabetes.
Researchers at Arizona State University have refined cryogenic electron microscopy to produce more accurate structures of biological samples. The new method uses a statistical approach to model transitory structures, which can play a vital role in biological processes.
Researchers used complex computer simulations to study the attachment of SARS-CoV-2 and its variants to human cells. They found that the virus has two main locations where it grabs onto the host cell receptor ACE2, with early strains having a slippery interaction at one region that becomes less slippery as variants evolve.
Flipon genetics proposes that evolution happens on a faster time scale than Darwin imagined, with rapid adaptations occurring in real-time within individuals. This is achieved through the simple sequence repeats of DNA, which can adopt alternative shapes and transmit adaptations to offspring.
Scientists identified five human monoclonal antibodies that can neutralize multiple beta-coronaviruses by targeting a conserved structure in the spike protein. These antibodies showed promise in reducing viral load and enhancing immune responses in hamsters, providing potential inspiration for broadly protective vaccines.
A new study combines experimental data and molecular dynamics simulations to study the conformation of an RNA fragment involved in protein synthesis. The research led to a new method for defining biomolecule structures in their physiological environments.
Researchers at Peter the Great Saint-Petersburg Polytechnic University are developing thin films made from biological macromolecules such as proteins and amino acids. These unique materials exhibit self-organization ability and can be assembled into certain structures, potentially solving energy efficiency limitations in modern electro...
Scientists have gained new insights into dynamic structural changes in light-sensitive biomolecules, revealing a universal mechanism for the transformation from dark-adapted to light-adapted states. This discovery could advance applications in agriculture and optogenetics.
The University of Southern Denmark has established a new Center for Bioanalytical Sciences with funding from the VILLUM Foundation. The center will support interdisciplinary biological research using advanced equipment and computational platforms.
Researchers used massive computer-simulation power to model protein aggregation and its role in Parkinson's and Alzheimer's diseases. They found that beta-synuclein blocks harmful structures caused by alpha-synuclein, offering a potential treatment for debilitating diseases.
Hong Li's research on biomolecules has yielded new insights into RNA recognition and cleavage by a splicing endonuclease. The study provides critical information on the functioning of biomolecules, which could lead to new treatments for various health problems.
The Penn team aims to study how simple biological molecules organize themselves into complex structures and develop synthetic self-assembling molecules with similar properties. Their goal is to create new products such as microscopic capsules for drug delivery, strong carbon fibers, and artificial proteins with improved functionality.
Researchers have produced the first 3-D structures of poliovirus in the moments after it attaches to and enters a host cell. The structures reveal tiny adjustments in the virus's protein shell that allow it to grab onto its host receptor more tightly.
Researchers determined the structure of methyl-coenzyme M reductase, a key enzyme in methanogenesis that produces methane for cellular energy. The crystal structure has provided new insights into the enzymatic mechanism and will aid in characterizing other enzyme states.
Researchers have made a major breakthrough in understanding prion diseases by fully decoding the three-dimensional structure of the normal prion protein. This discovery may play a key role in the conversion of normal to disease-inducing prions, potentially leading to new treatments for BSE and Creutzfeld-Jacob disease.