Articles tagged with Molecular Structure
Researchers at Rice University have created a roadmap showing how proteins interact to form the nanometer-thin shell of gas vesicles. This breakthrough enables the development of medically useful GV varieties in the lab, which can be used for diagnostics and therapeutics.
A new structure of light has been discovered that can accurately measure chirality in molecules, a property of asymmetry important in physics, chemistry, biology, and medicine. This 'chiral vortex' provides an accurate and robust form of measurement, allowing for the detection of chiral biomarkers.
Researchers at the University of Virginia School of Engineering and Applied Science have designed a drug-carrying molecule that can slip past the lung's natural defenses. The nanocarrier, called PEG-BB, is shaped like a bottlebrush and mimics the properties of mucus, allowing it to move quickly through the airway.
Researchers at PolyU have successfully developed a quantum microprocessor chip that can simulate large-structured and complex molecules with high accuracy. The breakthrough enables scientists to tackle complicated quantum chemistry problems beyond the capabilities of classical computers.
A new study from the Cusack group sheds light on how avian influenza virus can mutate to replicate in mammalian cells. The key enzyme polymerase must adapt to overcome two main barriers: entering and replicating within host cells, as well as acquiring human transmission capabilities.
A study found that chromatin's spatial structure plays a key role in the evolution of social behavior in dogs. The researchers examined an intronic section of the GTF2I gene, which influences chromatin's spatial structure and causes differences in gene expression.
Guan's lab will apply accumulated experience and methods to study SLC6A14, a sodium-coupled epithelial amino acid co-transporter involved in cancer and several chronic diseases. CryoEM will be used to determine the structure of SLC6A14, providing insight into its substrate specificity and inhibitory mechanisms.
Researchers at Seoul National University have developed a technology to quickly predict the mechanochemical shape changes of DNA origami structures based on the concentration of binding molecules. This methodology enables the design of tunable DNA origami structures that can change shape as needed, contributing to advancements in DNA n...
A new type of fluorescence microscope has been developed with a resolution better than five nanometres, enabling the capture of even the tiniest cell structures. This breakthrough allows researchers to visualize fine tubes in cells that are only around seven nanometres wide.
Researchers at Michigan State University characterized how fungi restructure their cell walls to thwart current antifungal medications. The study found that fungi enhance their survival odds by making specific changes to the structure and organization of the components in their cell walls, rendering existing drugs ineffective.
A new study reveals that the protein CRTC plays a crucial role in maintaining a healthy heart by ensuring it is neither too thick nor too thin. The research also shows that overexpression of CRTC causes cardiac hypertrophy, leading to adverse cardiovascular events.
A rhodium-catalyzed [2+2+1] cycloaddition reaction expands the possibilities for creating complex organic molecules. The researchers achieved high enantiomeric excess values of 94-99% using phosphine ligands, enabling the synthesis of diverse compounds.
Researchers from MPI-DS investigated how non-reciprocal interactions can help overcome static equilibrium states in complex systems. They found that these interactions can counteract energy barriers, allowing trapped systems to escape and potentially leading to more efficient molecular systems.
Researchers found that folded peptides are more electrically conductive than their unfolded counterparts due to the formation of a specific secondary structure called the 3_10 helix. This discovery has implications for the design and development of molecular electronic devices.
OptoGPT, inspired by GPT models, designs multilayer structures directly from desired optical responses. The model successfully demonstrates unified inverse design in various applications, including filters and absorbers.
Researchers at NUS have developed a novel method for creating 1,2-arylheteroaryl ethanes using fundamental feedstock chemicals. The new approach enables the modular assembly of diverse molecular scaffolds with potential applications in pharmaceuticals and petrochemical industries.
Scientists from Trinity College Dublin created a computer program that visualizes molecular structure in the style of Piet Mondrian. The program uses blocks of color to represent symmetry and shape, making it easier to understand complex molecular interactions.
Researchers have determined the structure of molecules within an Alzheimer's disease brain for the first time using cryo-electron tomography and fluorescence microscopy. This study revealed the molecular structure of tau protein and its arrangement with amyloid plaques, providing new insights into the pathology of the disease.
Researchers have identified only 2% of chemicals in our exposome, a complex mix of molecules we're exposed to daily. Dr. Saer Samanipour advocates using machine learning and AI to map the vast chemical space and predict health effects.
Scientists have developed a new immunotherapy that can identify and fight cancer cells in patients with Merkel cell carcinoma. The treatment involves stimulating the immune system's T cells against specific elements of the virus involved in cancer formation.
Researchers at the University of Gothenburg developed an AI model called Candycrunch to automate the analysis of glycan structures in cancer cells. The model can identify abnormal structures and biomarkers in just a few seconds, accelerating the discovery of new treatments.
Researchers at U of T have developed a deep-learning model called PepFlow that can predict the full range of conformations for peptides, which are shorter than proteins but perform similar biological functions. The model combines machine learning and physics to capture precise and accurate conformations within minutes.
Researchers at UNIST developed zeolitic imidazolate frameworks that mimic intricate machines, exhibiting precise control over nanoscale mechanical movements. The discovery has significant implications for applications in data storage, digital technology, and beyond.
Researchers from PSI and ETH Zurich studied connexin-36 gap junction channels and found that antimalarial drug mefloquine binds to the channels, potentially explaining its severe side effects. The study provides new insights into how drugs interact with connexins and may lead to the development of therapies for neurological diseases.
Researchers discovered that enzyme METTL6 interacts with tRNA synthetase to recognize specific tRNAs, enabling precise modification and potential application in cancer treatment. This discovery provides new insights into the molecular machinery of protein production.
Researchers used ultrafast terahertz Stark spectroscopy to characterize the molecular quantum states involved in the proton pump reaction of bacteriorhodopsin. The study reveals pronounced quantum state mixing in the early electronic and nuclear dynamics, supporting a picture of mixed excited-state characters.
A team of researchers has created a water-soluble version of the bacterial enzyme histidine kinase, which could be used in high-throughput screens to rapidly test potential drugs that target this enzyme. The new protein retains its natural functions despite being converted from a hydrophobic protein.
A University of Houston researcher has made a breakthrough discovery about the development of the heart in the womb, revealing that a certain gene deletion can cause a common type of heart muscle disease called left ventricular non-compaction.
A new article in Isis reveals how perfume research has stimulated scientific endeavor for over a century. Galina Shyndriayeva demonstrates the connections between fragrance production and industrial development, including Leopold Ružička's discovery of muscone and its impact on polymer synthesis.
Researchers found that chiral gold nanoparticles exhibit high selectivity for left- or right-handed circularly polarized light with a dissymmetry factor of approximately 0.7, outperforming previous materials. The findings suggest potential applications in anti-counterfeiting and quantum information using circularly polarized light.
A novel mechanical metamaterial, 'Chaco,' exhibits history-dependent behavior, allowing it to remember the sequence of actions performed on it. This property enables potential applications in memory storage and robotics.
Researchers at Tokyo University of Science have developed a novel approach to directly observe electron transfer in solids using X-ray crystal structure analysis. This breakthrough could lead to advancements in energy storage, nanotechnology, and materials science research.
A team of researchers from Japan have employed an innovative technique to directly observe the origin of FSDP and the atomic density fluctuations in silica (SiO2) glass. The study reveals alternating arrangements of chain-like columnar atomic configurations and interstitial tube-like voids.
Researchers develop LoCoHD algorithm to compare protein structures based on chemical information of atoms, enabling analysis of molecular machines and identifying critical amino acids. The method shows promise in predicting protein functions, including studying the internal motion of proteins like podocin.
Researchers elucidated the spatial structure and molecular mechanisms of 'prime editor,' a novel gene-editing tool that achieves reverse transcription without DNA cutting. This breakthrough contributes to designing gene-editing tools accurate enough for gene therapy treatments, opening new avenues for both basic and applied research.
Researchers developed a novel compound with nonlinear photochromic properties, achieving enhanced contrast and spatial resolution. The compound exhibits improved coloration efficiency with higher-intensity light, enabling diverse applications in photolithography, 3D printing, and optical disks.
The study reveals that FLVCR1 and FLVCR2 transport choline and ethanolamine across cellular membranes, supporting cell growth and stability. This discovery contributes to understanding rare diseases and developing new therapies for patients suffering from severe neurological and muscular disorders.
Scientists at the University of Nottingham have created a powerful method to analyze RNA structures in unprecedented detail. By combining cryogenic OrbiSIMS with advanced computational modelling and automation, they can now determine RNA structures in a matter of days, significantly advancing the field of RNA structural biology.
Researchers at NUS developed a new method to grow two-dimensional transition metal dichalcogenides (TMDs) using molecular beam epitaxy. This approach enables phase engineering and fabricating 2D heterostructure devices with precise control over their properties.
Scientists have developed a new approach to designing materials with useful electronic and optical properties. By stacking antiaromatic units using van der Waals interactions, researchers created highly conductive liquid crystals. This breakthrough could lead to advances in organic electronics, optoelectronics, and sensing devices.
Researchers reveal key findings on the ADAM17/iRhom2 complex, shedding light on its role in controlling signaling molecules. The study's structures show that iRhom2 acts as a gatekeeper to ADAM17 lifecycle, interacting with key regions of the protease.
Scientists have discovered the transporters responsible for delivering essential nutrients choline and ethanolamine to human cells. The study sheds light on the atomic structure of these transporters and their role in distributing micronutrients throughout the body, providing a foundation for new therapeutic approaches.
Researchers from Tokyo Institute of Technology experimentally revealed that high-density Ca introduction enhances superconductivity in graphene-calcium compounds through confinement epitaxy, leading to increased critical temperatures. This breakthrough could enable the development of C6CaC6 superconductors with wide applicability in qu...
Researchers at Tokyo Institute of Technology have developed alkyl-aromatic hybrid micelles that exhibit high stability in water and excellent host functions towards aromatic guests. The new amphiphiles feature a linear alkyl-chain flanked by two aromatic panels, forming an alkyl core surrounded by an aromatic shell.
Nach0 was trained on diverse tasks, including natural language understanding, synthetic route prediction, and molecular generation. The model performed well on molecular tasks using molecular data and outperformed ChatGPT, making it a significant step toward unlocking the full potential of LLMs for drug discovery.
Researchers have determined the molecular level function of free-forming structures in plant cells that help sense light and temperature, enabling plants to distinguish a range of different light intensities. The formation of these organelles is not random but is linked to specific locations within the cell, particularly near centromeres.
A new AI method developed by Swedish researchers can identify toxic substances based on their chemical structure, potentially replacing animal testing. The method has been shown to be more accurate and broadly applicable than existing computational tools, offering a promising alternative for environmental research and authorities.
The study reveals that the formation of pyramid-shaped structures around water molecules is dominant at low ethanol concentrations, but chain-like structures become more prevalent at higher temperatures. This explains why baijiu has a distinct taste at room temperature, which disappears at higher temperatures.
Scientists developed a model to predict pattern formation by phase separation, considering material properties and molecular arrangements. The new theory can help engineers create specific nanoscopic structures following nature's principles of self-organization.
Researchers at Tokyo Institute of Technology developed a new strategy to synthesize 3D π-extended carbohelicenes, overcoming molecular distortions and achieving CPL brightness of up to 513 M–1 cm–1. The study provides a solid groundwork for further research and development of high-performance carbohelicenes.
Researchers developed a powerful new technique to generate dynamic structural data of proteins. They applied it to Glt Ph, revealing previously unseen structural states and uncovering the basis of wanderlust kinetics. The approach opens up possibilities to track protein structure in real-time.
Researchers developed a time-resolved native mass spectrometry strategy to analyze target protein stability and structure unfolding dynamics. The study found that mutations can reduce the non-covalent interactions between protein and cofactor, leading to decreased stability.
Researchers discovered a crucial amino acid exchange that enables PsiM to carry out double methylation during evolution. The enzyme plays a key role in psilocybin production, with implications for biotechnological production of the active ingredient.
Researchers developed a technology to detect infectious disease viruses in real-time using a single nano-spectroscopic sensor. The system uses molecular fingerprinting and can detect specific substances with tailored detection, enabling rapid and precise analysis.
Researchers have developed a method to differentiate human pluripotent stem cells into cell populations that form patterns resembling the facial primordium. This allows for the creation of an in vitro model to study early facial development and potential treatments for craniofacial disorders.
Researchers at the University of Geneva have successfully visualized and reconstructed the assembly of the human centriole, a critical structure in the cell skeleton. By combining high-resolution microscopy and kinematic reconstruction techniques, they were able to model the first 4D assembly of the centriole, providing new insights in...
Scientists developed a force-controlled release system harnessing natural forces to trigger targeted release of molecules, advancing medical treatment and smart materials. The breakthrough uses rotaxane technology to release multiple functional molecules simultaneously, including medicines and healing agents.
Researchers at Insilico Medicine developed QFASG, a quantum-assisted algorithm generating novel small-molecule structures from fragments. The tool successfully designed inhibitors for cancer-related proteins, showcasing its potential in accelerating drug discovery and development.
A study published in PNAS reveals the structure of a protein linked to neurodegenerative disease Niemann-Pick type C, which accumulates cholesterol within cellular compartments. The research sheds light on the complex mechanism of cholesterol distribution and its role in maintaining optimal levels.
Scientists have applied time-resolved serial femtosecond crystallography (TR-SFX) to study molecular motion in real-time with atomic resolution, revealing three pathways of structural change in a porous coordination network sample. This breakthrough unlocks new opportunities for investigating chemical systems and material science.