Articles tagged with Protein Structure
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.
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.
Researchers at Wash U used single-molecule orientation-localization microscopy to study the nano-architecture of amyloid fibrils, revealing their growth and decay patterns. They found multiple ways A-beta can remain stable or grow and decay, with surprising results on its underlying structure.
Researchers have developed a multi-component hydrogel scaffold to mimic the amyloid-beta containing microenvironment associated with AD. The study found elevated levels of neuroinflammation and apoptosis markers in healthy neuronal progenitor cells cultured within this environment.
Scientists have clarified how the DDM1 protein prevents 'jumping gene' transcription by making it accessible to suppressing chemical marks. This discovery has implications for understanding genetic conditions and developing new treatments for humans.
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.
A new machine learning-based method uses 3D structure of protein backbone with large language models to predict molecular changes that lead to better antibody drugs. The approach resulted in a 25-fold improvement against a virus, outperforming traditional methods that rely on generating huge amounts of data about protein sequences.
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 develop a method that fuses AlphaFold's strengths with computer simulations based on physics laws to predict protein structures, enabling faster drug development. The approach filters down initial hypotheses to a more manageable set of structures, increasing the effectiveness of pharmaceuticals.
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 Colorado State University used human stem cells to study synaptic connections in the brain, focusing on GABAergic synapses. They found that Gephyrin promotes autonomous assembly of these synapses, which can develop independently of neuronal communication. This understanding could lead to new treatments for neurological d...
AlphaFold's groundbreaking ability to predict protein structures is set to transform predictive medicine, enabling the development of personalized vaccines and adaptive clinical trials. However, the review also highlights crucial challenges and ethical considerations surrounding AI integration with clinical data.
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.
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.
Scientists at Johns Hopkins Medicine have discovered the mechanism of action of the widely-used epilepsy drug perampanel, which targets the AMPA receptor to dampen brain cell excitability. The study provides new insights into the potential applications of perampanel in treating other neurological conditions such as Alzheimer’s disease,...
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.
Researchers at the University of Alabama at Birmingham have discovered that the protein SRSF1 can bind and unfold complex RNA Guanine-quadruplexes. This finding could provide new avenues for treating illnesses such as cancer, which is often linked to misfunctioning splicing processes.
Researchers at King's College London have developed a novel drug delivery system using biologically compatible peptides found in chicken feathers and skin tissue. This innovative approach enables targeted delivery of chemotherapy drugs and repair of faulty enzymes, potentially reducing side effects and improving treatment outcomes.
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 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.
Cleveland Clinic and IBM researchers develop a hybrid framework combining quantum and classical computing methods for protein structure prediction. This approach overcomes limitations of current classical methods and demonstrates improved accuracy in predicting protein structures.
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.
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.
Researchers at Bielefeld University discovered that certain gluten-derived molecules, including the 33-mer deamidated gliadin peptide (DGP), form nanosized structures that accumulate in gut epithelial cells and lead to leaky gut syndrome. This triggers chronic inflammation and autoimmune responses in celiac disease patients.
A new study reveals that AlphaFold's predictions can be as accurate as experimental structures, enabling the acceleration of drug discovery projects. The algorithm's potential for advancing medicine is vast, with the possibility of significantly expediting project timelines by up to a few years.
A recent study by Bryan Roth and colleagues validated the accuracy of AlphaFold2 in modeling ligand binding sites, leading to promising results for drug discovery. The researchers found that up to 54% of potential compounds interacted successfully with the target proteins, paving the way for new treatments.
Researchers have discovered new binding sites for medications in proteins by heating them to body temperature, revealing previously unknown structures. This breakthrough could lead to the development of more effective drugs for various health conditions, including stroke, heart disease, and diabetes.
Researchers at PNNL have developed a method to control the handedness of peptoid helices, which can be used to design precise drug delivery agents or artificial enzymes. The team's discovery could provide insights into protein assembly and potentially lead to breakthroughs in treating protein folding-related diseases.
Researchers use a new method to analyze the structural properties of proteins under extreme pressure, revealing new insights into their native structures. The technique, which applies 3,000 bar of pressure, allows for the observation of protein states that would be invisible under normal conditions.
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 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...
Researchers at UNC School of Medicine discovered the detailed protein structure of the TAS2R14 bitter taste receptor, revealing how it identifies and activates bitter tastants. The discovery has potential applications in drug development for metabolic diseases like obesity and diabetes.
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.
Research at the University of Gothenburg reveals a link between maternal protein intake during pregnancy and the formation of facial bone structures in offspring. The study found that a particular signaling pathway, mTOR, plays a crucial role in shaping the face.
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.
A new study found similarities in protein structures of Aβ and tau filaments between individuals with Alzheimer's disease and those with both conditions. This knowledge is crucial for understanding Alzheimer's disease in people with Down syndrome and assessing clinical trial inclusion.
Researchers at Rice University have identified a protein responsible for the clustering of gas vesicles in bacteria, a discovery that could enable new biomedical applications. The team used genetic, biochemical, and imaging approaches to understand the patterning of these structures, which are found in certain microorganisms.
Researchers develop AI-powered method to rapidly predict multiple protein configurations, understanding protein dynamics and functions. This breakthrough has the potential to revolutionize drug discovery by uncovering more targets for new treatments.
Researchers at Xi'an Jiaotong-Liverpool University developed a new method that enables the efficient production of cysteine-rich peptides and microproteins in their naturally folded 3D structure. The approach uses organic solvents to mimic nature's oxidative folding process, resulting in speeds of over 100,000 times faster than aqueous...
Researchers at Leibniz-HKI deciphered the function of Candidalysin's unusual protein structure, which reduces pathogenicity and opens up new treatment options. Nanobodies neutralize the toxin, blocking its activity and inhibiting tissue damage.
A new study led by Karolinska Institutet reveals the mechanism of sperm entry into the egg, explaining how mutations in egg coat proteins cause female infertility. The research also suggests potential implications for non-hormonal contraceptives.
The Kobe University discovery identifies a new key player for synaptic function, revealing that the poorly characterized protein FAM81A interacts with at least three major postsynaptic proteins and modulates their condensation. The absence of this protein leads to a significant decrease in activity in cultured neurons.
Researchers at MIT have developed a new type of nanoparticle that can both deliver vaccines and act as an adjuvant to generate a strong immune response. The particles, called metal-organic frameworks (MOFs), were shown to be effective in delivering the SARS-CoV-2 spike protein and boosting the immune system's response.
Researchers studied Prorocentrum cordatum to understand its molecular processes, revealing a unique photosynthetic machinery that may help it adapt to changing light conditions. The findings could lead to improved understanding of harmful algal blooms and their role in climate change.
Researchers used advanced techniques to study TMEM16F's structure and function in its native environment, uncovering previously overlooked structural conformations. The study reveals a dynamic and flexible functioning of the protein, essential for regulating cell functions such as blood coagulation and immune defense.
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.
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.
A UC Riverside-led study has devised a way to make large quantities of the Membrane protein, which plays a crucial role in how SARS-CoV-2 acquires its spherical structure. The researchers found that when the M protein interacts with the membrane, it coaxes the membrane to curve, leading to the virus's characteristic shape.
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.
Researchers at the University of Gothenburg discovered how proteins deform to create efficient transport routes for electrons, powered by solar energy. This finding could lead to more efficient solar cells and batteries.
Researchers used a novel microscopy technique to image human brain tissue with unprecedented detail, revealing new cells and structures previously invisible. The method could help diagnose tumors, generate more accurate prognoses, and guide treatment decisions.
Researchers created a DNA-based vaccine that mimics the structure of a virus, inducing a strong antibody response against SARS-CoV-2. The vaccine uses a DNA scaffold carrying viral proteins, allowing the immune system to focus on the target antigen.
Researchers have unraveled the activation mechanism of GBP1, a protein that encapsulates bacterial pathogens with an antimicrobial coat. The study reveals how GBP1 forms a protein coat around invaders, destroying their membrane and preventing multiplication.
Researchers have unveiled a previously unknown conformational state of OxlT transporter protein using advanced computational methods. This discovery offers new insights into the protein's function and potential therapeutic targets for preventing kidney stone formation.
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.
Researchers developed a method to observe single protein vibrational spectra using near-field optical microscopy, enabling detailed analysis of extremely small samples. The technique represents a major breakthrough for ultra-high sensitivity and super-resolution infrared imaging, as well as single-molecule vibrational spectroscopy.
A team of researchers created five unique all-α protein structures with non-uniformly arranged α-helices, holding immense potential for designing functional proteins. The novel approach enables the generation of a diverse set of all-α protein structures by combining typical motifs and canonical α-helices.
Researchers have found a way to control MYC's hyperactivity using a peptide compound with sub-micro-molar affinity. This breakthrough offers hope for more effective treatments for cancer patients.