Articles tagged with Molecular Structure
A team of researchers has determined the detailed mechanism of cyclization catalyzed by the cyclization domain of cyclic β-1,2-glucan synthase from Thermoanaerobacter italicus. The study reveals that the enzyme produces β-glucosidase-resistant compounds and features a transglycosylation reaction.
Columbia University engineers have developed a novel approach to create highly conductive single-molecule devices using direct metal-metal contacts and light control. The discovery opens up new possibilities for designing smarter electronic components.
Researchers from Nano Life Science Institute discovered how genetically designed peptides form single-molecule thick crystals on graphite surfaces. The behavior is directly related to their molecular architecture, with negatively charged and positively charged peptides forming unique oblique lattices.
Researchers report that Golgi ribbons are present in non-vertebrates like mollusks and earthworms, suggesting a fundamental function beyond vertebrate specificity. The team's findings indicate that Golgi ribbons might play a role in cell differentiation during embryogenesis.
Researchers discovered that two types of TORC1 complexes in yeast play unique roles in cellular responses to stress and lifespan regulation. The study's findings provide new insights into molecular evolution, cellular signaling pathways, and age-related diseases, offering promising avenues for human health advancements.
Researchers discovered a potential treatment for Alzheimer's disease also prevents Type 2 diabetes by blocking the formation of toxic IAPP clusters. A synthetic peptide was shown to bind and neutralize these clusters, keeping beta cells alive.
A UCF-developed technology uses a plasmonic platform to detect the chirality of molecules with high precision, enabling more accurate drug development and therapies. The platform improves upon current methods with sensitivity nearly 13 orders of magnitude greater.
Jinyoung Park and SueYeon Chung from New York University have been awarded Sloan Research Fellowships for their groundbreaking research in math and neuroscience. The fellowships recognize their exceptional creativity, innovation, and accomplishments, paving the way for them to lead research agendas in their respective fields.
Researchers discover how S1P molecules are released from SPNS2 protein via small cavities, enabling potential treatment for inflammatory diseases. The study provides a foundation for designing future drugs targeting the protein.
Scientists have deciphered the assembly process of flower-like nuclei in neutrophils, a type of white blood cell. This discovery enables potential therapeutic applications by guiding the development of new nuclear shapes to combat diseases.
Researchers at BESSY II used RIXS and DFT simulations to analyze the electronic structures of fumarate, maleate, and succinate dianions. The study found that maleate is potentially less stable than fumarate and succinate due to its delocalized HOMO orbital, which can lead to weaker binding with molecules or ions.
Researchers at ISTA have discovered the composition of poxviral cores, a key factor in their infectivity. The study's findings could lead to the development of new therapeutics targeting the viral core.
Researchers at Duke University have discovered a critical structure on the HIV virus that plays a crucial role in its infection process. By understanding this structure's dynamics, scientists may be able to design broadly neutralizing antibodies for an AIDS vaccine.
Scientists develop a new design strategy for molecular-sized gears in crystals, allowing for controllable shifting of motion. The creation of molecular gears could lead to the development of versatile, new materials with unique properties.
Researchers at Karolinska Institutet used DNA origami to activate the Notch receptor in a new way, revealing it can be activated 'on demand' with the help of a protein called Jag1. The study opens new avenues for understanding the Notch signalling pathway and its role in serious diseases like cancer and Alagille Syndrome.
A team of researchers created a 3D bioprinted brain blood vessel model to investigate the impact of blood vessel curvature on metastatic cancer development. The model revealed that increased blood vessel curvature correlates with heightened cancer cell adherence and extravasation.
Researchers have developed a new technique that provides a previously unattainable view of the mechanical properties inside the cell nucleus. The study reveals the peculiar dynamic structural features in living cells, which appear to be crucial for cell function.
Researchers at GIST developed high-performance OECT devices based on poly(diketopyrrolopyrrole) (PDPP)-type polymers, achieving high charge carrier mobility and volumetric capacitance values. The optimized material exhibited a figure-of-merit value of over 800 F V^-1 cm^-1 s^-1.
Researchers at Maynooth University and the University of Chicago discovered that molecular processes can perform complex calculations rivaling simple neural networks. The study used phase transitions to recognize subtle chemical combinations and build different structures in response.
Researchers from Tokyo University of Science discovered that manipulating polyamines enhances the functional profiles of monoclonal antibodies. The study found that controlling polyamine levels increases IgG galactosylation, leading to improved therapeutic efficacy.
Scientists have developed a new biocompatible material that can conduct electricity efficiently in wet environments and interact with biological media. The modified PEDOT:PSS enables the creation of organic electrochemical transistors (OECTs) with high performance and excellent characteristics.
Researchers at MIT find that slow-flowing liquid crystals can spontaneously assemble into large, twisted, chiral structures, opening a new path to generating chiral materials. These structures could serve as spiral scaffolds for assembling intricate molecular structures and be used as optical sensors.
A new study has identified three genes, MANBA, TNFRSF13B, and EEF1A1, as crucial in the regulation of IgG galactosylation, a trait associated with ageing. The research used GWAS to analyze IgG glycosylation phenotypes in a large sample size, increasing the understanding of this complex posttranslational modification.
Researchers at St. Jude Children's Research Hospital have visualized how cytonemes transfer signals across vast distances during neural development, establishing an 'express route' for communication between cells. This discovery provides insights into the complex process of mammalian nervous system development and highlights the crucia...
Scientists in Germany developed a new analytical method to precisely elucidate the size of particles, structure, and RNA molecules in pharmaceutical products. This information can help evaluate product quality, enabling improved development of new products.
Rice University researchers have developed a new method for making covalent organic frameworks (COFs) that could revolutionize various fields such as energy applications, semiconductor devices, and drug delivery. The fast and low-cost approach uses vapor deposition to produce ordered 2D crystalline COFs.
Researchers have solved the molecular structure of a complete tailed virus with a flexible tail at unprecedented detail. This discovery has significant implications for phage therapies and the development of alternative treatments to antibiotics.
Researchers combined diamond and lithium niobate onto a single chip to achieve high efficiency in coupling the two materials. This pairing enables stable and reliable qubits, critical for quantum communication networks and applications.
Researchers at the University of Gothenburg have developed a way to distinguish different types of structural changes in glycan molecules linked to various cancers. The AI-enhanced method uses mass spectrometry to identify patterns in data sets, providing a precise answer to what will change for a specific disease.
A study published in Nature Communications sheds light on the critical role of P4-ATPases, particularly ATP8B1-CDC50A, in maintaining lipid asymmetry in cell membranes. The research team used cryo-electron microscopy to determine the structure and function of the human flippase complex, revealing its regulation by phosphoinositides.
Researchers have uncovered the intricate molecular mechanism used by parasitic phytoplasma bacteria to manipulate plants. The discovery sheds light on a peculiar phenomenon in nature, where plants exhibit 'zombie-like' effects due to bacterial infection.
A Hamburg collaboration between EMBL Hamburg and TUHH has yielded new insights into a lipid-degrading enzyme from an exotic microbe, which may contribute to the development of more sustainable industrial processes. The findings could help improve chemical processes in various branches of industry.
A recent study in Nature Communications has identified a gene cluster in wheat that produces triticein, an isoflavone compound with potential health benefits. This discovery offers opportunities for metabolic engineering efforts to improve wheat's nutritional quality and resistance to disease.
Researchers propose a novel approach to customize metal-organic frameworks (MOFs) for efficient membrane separations. The strategy involves modularizing custom defect-free MOF separation membranes, allowing for rapid production of high-performance membranes.
A team of researchers has developed a novel experimental system to simultaneously measure the mechanical properties and internal structure of rubber-like materials. The study found that strain within these materials is non-uniform, depending on the shape and size of composite particles.
Researchers at King Abdullah University of Science & Technology have developed organic solar cells with record efficiencies and discovered a link between molecular structure and outdoor stability. The study found that fluorine-bearing functional end groups and long hydrocarbon side-chains enhance outdoor stability, protecting the cells...
The Cusack group at EMBL Grenoble has provided insights into the interactions of XIAP and RIPK2 molecules involved in gut signalling pathways. This research sheds light on how these molecules interact, revealing a promising drug target for treating inflammatory bowel diseases.
Researchers developed a novel physical theory that can accurately predict protein folding, surpassing existing models like AlphaFold 2. The new model, WSME-L, can elucidate folding processes without limitations, enabling a comprehensive understanding of protein structures and behaviors.
Researchers have discovered a novel enzyme family related to bacterial pathogenicity in Gram-negative bacteria. The study revealed that enzymes involved in OPG synthesis and regulation play crucial roles in bacterial infection capability.
A Brazilian physicist has developed an alternative method that reduces calculation time for simulating light absorption by molecules from two days to a few hours. This allows for high-resolution microscopy and the creation of precise 3D structures for data storage, with potential applications in medicinal treatments.
Researchers developed a method to form tailored nanoscale windows in porous materials called MOFs using an architectural arch-forming template. This approach enables precise control over structure formation, leading to the creation of new materials with potential gas separation, medical applications and energy security benefits.
The discovery sheds light on the mechanism of phosphate release from actin filaments, which is crucial for cell movement and disassembly. The researchers found that phosphate escapes through a molecular backdoor in the filament core, but the door remains closed for most of the time.
A team at Hokkaido University has set a size record for dynamic motion in crystals, demonstrating the largest molecular rotor operational in the solid-state. The rotors consist of a central rotating molecule connected to stationary stator molecules, and can rotate at frequencies of 100–400 kHz.
Scientists at OHSU elucidated the structure of Type A GABA receptors targeted by antidepressants and other pharmaceutical drugs, shedding light on their role in brain function and development. The study reveals dominant assemblies and states of the receptor, paving the way for the development of new compounds with improved efficacy.
A research team at Göttingen University has developed plasmonic molecules from nanoparticles using a novel process that precisely arranges the particles. This breakthrough enables the creation of large quantities of these compounds, which can be used for various functions in nanotechnology.
Researchers found that adding niobium oxide to silicate glass increases bond density and connectivity, enhancing mechanical and thermal stability. This discovery could lead to the development of innovative glass formulations for various applications, including optics, medicine, and data transmission.
Scientists have developed a new approach to study molecular behavior in confined spaces, allowing for real-time tracking of individual molecules within nanofluidic structures. This breakthrough enables the use of single-photon emitters as nanoscale probes, providing unprecedented insights into molecular properties and behaviors.
A team of researchers has discovered a particularly efficient molecular structure for solar energy storage materials, which could lead to more efficient solar energy harvesting. The new molecules were identified by screening over 400,000 molecules with the help of machine learning and quantum computing.
A study led by Weill Cornell Medicine researchers found that some ion channels can rearrange into a larger structure, enabling drug delivery. The discovery solves a long-standing mystery about ion channel dynamics and has implications for pharmaceuticals.
Researchers developed an AI tool called DECIMER that can translate chemical structural formulae into machine-readable codes. This allows for the automatic search and processing of scientific articles containing chemical information.
Rice University chemists have discovered that gold nanoparticles are synthesized from gold buckyballs, a finding that could revolutionize nanoparticle synthesis. This discovery was made by Matthew Jones and Liang Qiao, who found that the commonly used golden 'seed' particles were actually cousins of the original buckyballs.
A team of researchers developed a computational simulation that explains key mechanism of DNA segregation, providing new insights into the distribution of genetic information during bacterial cell division. The study reveals fundamental biochemical principles relevant to synthetic biology and medical applications.
Researchers at La Jolla Institute for Immunology have discovered the inner workings of Ebola virus replication inside host cells, revealing 'viral factories' that form clusters of viral proteins and genomes. These microscopic structures are formed in host cells and play a crucial role in the virus's life cycle.
A protein found in bacteria activates its enzymatic activity by up to 10,000 times when exposed to blue light, acting like an on-off switch. This discovery could lead to enhanced and optimized optogenetic tools and medical treatments.
A team of scientists has successfully elucidated the structure and function of LITE-1, a biomolecule used by Caenorhabditis elegans to detect danger. The researchers used artificial intelligence to predict the structure of LITE-1, which is a channel protein that forms a pore in the cell membrane allowing charged particles to pass through.
Scientists have successfully created macro-rotaxanes with multicyclic wheels, which hold long molecular chains together to modify the properties of soft polymers. These new structures offer improved damping efficiency and potential applications in next-generation polymers and molecular computing.
A new study from the University of Chicago has laid out the internal structure of polyelectrolyte complexes, a special kind of molecular assembly that helps cells keep themselves organized. The researchers used a combination of simulations and neutron scattering to determine the precise structure of these molecules, which could lead to...
The study reveals the molecular mechanism by which ABCC4 recognizes broad-spectrum substrates, providing a structural basis for rational design of platelet antagonists targeting ABCC4. The research also elucidated the molecular mechanism of ABCC4 in binding and transporting platelet agonists and antagonists.
Researchers at Salk Institute discovered molecular mechanisms of HIV drug-resistance to Dolutegravir, a breakthrough that could lead to the development of new HIV therapeutics. The study revealed how changes in integrase protein structure can lead to resistance and how another compound, 4d, may overcome this resistance.
Researchers developed a stable, porous molecular crystal using triptycene as a building block, leveraging noncovalent interactions to create a flexible material with high solubility and self-healing capabilities. The synthesized PMC exhibits excellent thermal and chemical resistance, making it suitable for various applications.