Articles tagged with Protein Structure
Researchers have discovered a new protein, SP-1, with unique structural characteristics that can survive extreme conditions. The protein has the ability to assemble into a structure composed of 12 identical units, making it exceptionally resistant to conditions and promising for medicinal applications.
The study reveals how botulism-causing Clostridium botulinum detects nitric oxide, shedding light on its role in human cardiovascular, neurological, and immunological systems. The research also provides insights into the structural details of soluble guanylyl cyclase, a protein difficult to crystallize for analysis.
Researchers have developed a mathematical algorithm called TANGO that can predict the likelihood of proteins sticking together incorrectly. This could lead to new diagnostic techniques for diseases caused by misfolded proteins, such as Alzheimer's and Parkinson's, and more efficient production of therapeutic proteins.
Matthew Bottomley, a researcher at the European Molecular Biology Laboratory, has won the 2004 EMBO Science Writing Prize for his captivating article on bioluminescent squid. The prize of 1,500 Euro will be presented to him at the EMBO Members Meeting in October this year.
Researchers characterized intermediate states in protein folding at an atomic level, a crucial step towards predicting protein structure and improving drug design. This breakthrough could help understand errors in folding linked to diseases like cystic fibrosis and Alzheimer's.
Researchers used a new mass spectrometry technique to determine how CENP-A turns a chromosome's center section into a stable centromere. The study sheds light on the process of cell division and its connection to birth defects and cancer.
Researchers have developed new algorithms to interpret NMR data, revealing protein structure and molecular architecture. The tools require less data while producing highly accurate results.
A team of researchers has developed a new technique to directly measure protein binding forces, clarifying the role of membrane-anchored protein NCAM in cell adhesion. Their study reveals that NCAM forms two adhesive configurations, which are validated by experimental results and contribute to spatially distinct bonds.
Lyncean Technologies announces a tabletop synchrotron light source, Compact Light Source, to boost scientific productivity and enable new medical imaging techniques. The Compact Light Source is a breakthrough in X-ray technology developed on licensed technology from Stanford Linear Accelerator Center.
Researchers Francesca O'Kane used pea proteins to study the behavior of plant proteins when heated, forming a gel that can be repeatedly heated without losing strength or flexibility. This unique structure provides insight into protein aggregation and will help predict texture changes in meat substitutes.
The study found that protein p27 uses flexible arms to bind to the Cdk2-cyclin A complex, which is crucial for regulating cell division and preventing cancer. The researchers discovered how proteins like p27 can identify and bind to different types of complexes, allowing them to regulate various cellular processes.
The funding will support six work stations, called beam lines, at the NSLS facility to probe protein and biological molecule structures. The grants will also advance techniques for quicker and more efficient experiments.
The Protein Data Bank has expanded to accommodate nearly 24,000 proteins and other macromolecules, providing a comprehensive resource for biologists worldwide. The bank's growth is expected to revolutionize structure-informed research, driving breakthroughs in medicine and scientific discovery.
Researchers at the University of Illinois at Urbana-Champaign have identified anastellin, a natural agent derived from the cell adhesion protein fibronectin. Anastellin stabilizes the extracellular matrix, restricting the motion of cancer cells and creating strong 'jail bars' to prevent metastasis.
The Protein Data Bank has partnered with major research institutions to provide global access to its database, which contains over 23,000 protein structures determined by cutting-edge methods. The agreement simplifies access to this critical resource for biomedical and pharmaceutical researchers.
Princeton University professor Hecht invents a technique to make protein molecules from scratch with various shapes and compositions. The method involves designing amino acid sequences that fold like natural proteins, potentially leading to the creation of custom-designed proteins for new drugs and industrial processes.
Purdue University biologists have determined the structure of the West Nile virus, a development that could greatly augment our understanding of the virus' life cycle. The research uses cryoelectron microscopy and advanced imaging techniques to understand how the major surface proteins interact with each other.
Researchers at SLU have successfully deciphered the molecular structure of recombination protein O (RecO), crucial for accurate genomic DNA replication. This breakthrough may aid pharmaceutical researchers in developing more effective drugs and basic scientists in understanding gene function.
Dr. Sundquist's research has identified key cellular proteins necessary for HIV release, providing potential new targets for anti-HIV drugs. By altering the structure of these proteins or blocking their interaction with HIV, future treatments may slow or halt infection.
The Structural Genomics Consortium will determine the three-dimensional structure of over 350 human proteins, focusing on cancer, neurological disorders, and infectious diseases. The project aims to produce protein structures by the end of 2003, with all structures released freely into the public domain.
Researchers created a 3D map of protein structures, grouping them into four distinct classes based on their folds. The map reveals the evolutionary history of proteins and holds promise for understanding cellular functions and designing more effective pharmaceutical drugs.
Scientists have created a 3D map of the protein universe, organizing over 500 common motifs and revealing clusters that resemble cigars. This map helps visualize the relationships among all proteins in nature, shedding light on evolutionary changes and potential applications in biomedical research.
A new method called GFT NMR increases data collection speed by orders of magnitude while increasing accuracy, potentially revolutionizing protein structure determination. This breakthrough could enable scientists to harness the power of latest NMR machines and cryogenic probes.
Researchers have solved the three-dimensional structure of a low-density lipoprotein (LDL) receptor's extracellular domain, which may help develop treatments for familial hypercholesterolemia. The LDL receptor plays a crucial role in clearing LDL from the blood and maintaining healthy cholesterol levels.
A Rutgers-led consortium has received $6.5 million in funding from the NIH to determine the three-dimensional structure of hundreds of new proteins. The project aims to make protein structure determination less expensive and develop new techniques.
Researchers will use computational biolinguistics to analyze protein sequences and understand their structure, dynamics, and function. This project aims to extract information from gene sequences that may lead to developing drugs to fight degenerative diseases.
Researchers at Rensselaer Polytechnic Institute have developed a new approach to decoding the protein language by creating a 3-D image of each known protein and reducing it to a simpler 2-D representation, called a contact map. The data from the contact map is used to predict unknown proteins and novel protein formation.
Researchers at the Max Planck Institute of Biophysics have determined the first structure of the SecYEG protein translocation machinery from Escherichia coli. The structure provides a detailed view of the complex, which binds and transports secretory and membrane proteins.
Scientists have identified a new amino acid, pyrrolysine, in a particular strain of microbe, Methanosarcina barkeri. The discovery suggests that even more genetically encoded amino acids may be found using modern genome sequencing techniques.
Scientists have identified a family of six proteins, called ZIGs, responsible for maintaining the wiring of the nervous system. The discovery was made in C. elegans and suggests that analogous human ZIG proteins may play a role in neurological disease pathology.
Proteins: From Sequence to Structure is the first book in the Primers in Biology series, covering sequence, structure, and functional properties of proteins from a post-genomic focus. The authors, Gregory Petsko and Dagmar Ringe, are authorities in their field and have received high praise for their comprehensive primer.
Scientists developed a new technique to chronicle protein development, movement and interactions in living cells. The technology uses small binding domains that interact with other compounds, allowing researchers to distinguish old from new proteins and explore dynamics at different resolution levels.
Researchers at MGH Structural Biology Program have unraveled the structure of a key protein involved in tumor angiogenesis and metastasis. The study reveals that alpha V beta 3 integrin changes its shape when bound to its ligand, allowing it to instruct tumor cells to grow and spread.
A team of researchers has identified a family of six proteins, called ZIGs, responsible for maintaining the wiring of the nervous system in mature organisms. These proteins play a crucial role in keeping the anatomy of the nervous system intact, and their discovery may lead to new insights into neurological diseases.
Researchers at TSRI report a novel synergistic folding mechanism in two transcriptional proteins, CBP and p160, which become active when brought together. This discovery sheds light on the biological functions of intrinsically unstructured proteins and their role in cancer and other diseases.
Researchers developed a new fluorescence resonance energy transfer technique to track changes in protein structure, enabling precise correlation with functions. The method shows potential for understanding issues like biocompatibility of medical implants, blood clotting processes, and cancer metastasis.
Researchers have determined the atomic structure of the Arp2/3 complex, a protein responsible for initiating actin filament growth in moving cells. This discovery provides insights into cellular movement mechanisms and has implications for understanding various biological processes, including immune responses and neural development.
Researchers at Virginia Tech found that proteins making up the Golgi apparatus are constantly being renewed, allowing potential new medical applications such as targeted medicine delivery. The discovery also suggests a method to modify cells to produce compounds for pharmaceuticals.
Biochemistry assistant professor Mark Glover has recreated the three-dimensional structure of a critical portion of the BRCA1 protein, a breakthrough that could lead to early detection and genetic screening for breast cancer. The findings may also provide new insights into how the protein prevents cells from becoming cancerous.
Researchers from UNC School of Medicine and Pharmacy have developed a new method to calculate protein stability, which could improve drug design and engineering. The approach uses computational manipulations to predict the effects of amino acid mutations on protein stability.
Researchers have identified a potential link between the apoE4 protein and the formation of neurofibrillary tangles, a hallmark of Alzheimer's disease. The study suggests that apoE4 may disrupt brain cell interactions and lead to the degeneration of neurons in this disease.
A University of Cincinnati biochemist has discovered that the V3 loop region of the HIV gp120 protein is structurally flexible, changing its shape as needed to bind to host cells. This finding rules out using a fixed structure as a target for anti-HIV drugs, making it harder to develop effective treatments.
Researchers found that PCNA and CAF-1 proteins work together to establish stably inherited silenced chromatin structures. This discovery sheds light on the mechanisms of gene expression inheritance in cells.
Five NYC research institutions join forces to develop high-speed methods to decipher 3D protein structures, focusing on disease-related proteins. The collaboration aims to provide a way for researchers to quickly translate genomic knowledge into promising drug targets.
The NIGMS Structural Genomics Awards will support seven research centers in determining the structures of thousands of proteins over the next decade. The project aims to advance our understanding of biological processes and develop new treatments for diseases.
A Rutgers-led consortium has received a five-year, $25 million NIH grant to determine the structures and functions of proteins. The project aims to develop integrated technologies for high-throughput protein production and 3-D structure determination.
The three-dimensional structure reveals that invasin is a rod-like protein resembling five tandemly arranged beads. Researchers now have a more specific target for developing antibacterial agents, as blocking binding to crucial regions of the invasin receptors should prevent bacterial entry into cells.
The discovery of Complex II's structure is crucial for understanding the energy production system in cells and may lead to therapies correcting defects. This breakthrough increases scientists' knowledge of fundamental processes and their role in diseases like diabetes and Alzheimer's.
Researchers at the University of Chicago have discovered that yeast can form an interconnected system where one organelle gives rise to another through outgrowths of its own membrane. This finding sheds light on disorders such as Menkes disease and polycystic kidney disease, which are caused by defects in Golgi function.
The study reveals the first detailed structure of a protein involved in regulating the body's day/night rhythms, shedding light on how melatonin is produced in response to darkness. The breakthrough may pave the way for the development of new drugs to fight jet lag and serotonin-related diseases like depression.
Researchers successfully engineered a hybrid enzyme with improved substrate specificity, demonstrating the potential of recombining subdomains to generate novel functions. The study presents a method for generating hybrid genes by combining subdomain segments from diverse proteins.
A team of researchers has determined the three-dimensional structure of an enzyme responsible for gentamicin resistance, presenting a possible target for designing drugs to inhibit its action. The enzyme's structure resembles a cupped right hand wrapped around a cylinder, with a cavity that could hold gentamicin in place.
Researchers discover shared structure among 150 enzymes, promoting transfer of acetyl group and affecting antibiotics and neurotransmitters. The discovery provides a potential solution to emerging antibiotic resistance and sheds light on the fundamental structures of proteins.
A Purdue University research team has solved the structure of a receptor used by the common cold virus, providing potential insights into developing new treatments. By understanding how the virus enters human cells, scientists may be able to block its interaction with receptors, potentially reducing the incidence of colds.
University of Rochester engineers have developed self-assembly technique to create large, three-dimensional objects. These structures are made up of millions of molecules and can fluoresce, making them well-defined and discrete, with applications in drug delivery and various other fields.
The study, led by Ming-Daw Tsai, used nuclear magnetic resonance spectroscopy to determine the 3D structure of the p16 protein. The researchers aim to develop a drug that mimics p16 to treat cancer, which is expected to target more than 70 different types of cancer.
Scientists at the Max Planck Institute for Polymer Research have discovered that polymeric species can be used as structure directing agents for the synthesis of mesostructured ceramic-type materials. This breakthrough opens up a way to create new and interesting materials with fascinating structures.
Researchers design all-carbon backbone that spontaneously folds into compact helical structure without hydrogen bonds. The resulting molecule has a tubular cavity with potential applications in selective chemistry and catalysis.
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.
The study provides a three-dimensional view of molecular switch Src, assisting in the development of new drugs. The researchers discovered that Src has four lobes with interconnected linkers, which keep it idle until stimulation arrives, turning it on.