Index of Articles
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              A2A Adenosine Receptor 2011 May  | 
              With proteins, small motions often have large effects. | 
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              Alg13 Subunit of N-Acetylglucosamine Transferase 2010 February  | 
              Eukaryotic cells have an elaborate mechanism for adding sugar chains to their proteins. | 
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              AlkB Homologs 2012 August  | 
              Evolution is a great tinkerer, and when cells discover a useful plan for a protein, it is often pressed to service in other capacities. | 
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              Alpha-Catenin Connections 2013 March  | 
              Structures of alpha-catenin and vinculin are revealing a highly dynamic interaction in adherens junctions. | 
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              Alpha/Beta Barrels 2010 October  | 
              How are these six proteins similar? They all perform very different functions: they represent five different classes of enzymes, and one is a non-enzymatic protein. | 
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              Anthrax Stealth Siderophores 2012 June  | 
              Iron is an essential mineral, used by many enzymes for its ability to trap small molecules like oxygen and to act as a conduit of electron transfer. | 
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              Antibiotics and Ribosome Function 2010 March  | 
              Antibiotics are often discovered in nature, where they are lethal weapons in the fight between different organisms. | 
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              Aquaglyceroporin 2009 March  | 
              The protozoan parasites that cause malaria multiply rapidly in the blood of infected individuals. | 
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              Archaeal Lipids 2012 December  | 
              PSI:Biology Researchers have revealed how archaea build their unusually temperature-tolerant lipids. | 
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              Aspartate Dehydrogenase 2008 August  | 
              Aspartate dehydrogenase is a new enzyme discovered by Northeast Structural Genomics Consortium. | 
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              Bacteria and Bile Salts 2013 September  | 
              PSI researchers have solved the first structure of a bacterial enzyme involved in the removal of bile acid hydroxyl groups in the human gut. | 
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              Bacterial Armor 2011 October  | 
              Bacteria are found in nearly every corner of the world, evolving unique mechanisms to survive in their different environments. | 
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              Bacterial CDI Toxins 2014 June  | 
              PSI researchers have solved the structures of several potent bacterial toxins, along with their antidotes. | 
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              Bacterial Hemophores 2013 January  | 
              PSI biology researchers are exploring the proteins that pathogenic bacteria use to gather scarce heme groups, and the iron ions they carry. | 
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              Bacterial Leucine Transporter, LeuT 2009 May  | 
              Many antidepressant drugs, as well as drugs of abuse such as cocaine, block the traffic of neurotransmitters across the cell membrane of nerve axons and glial cells. | 
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              Bacterial Phosphotransferase System 2012 October  | 
              Bacteria are thrifty cells. | 
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              Bacteriophage Lambda cII Protein 2008 October  | 
              Living cells are constantly making decisions: when to eat, when to move, even when to die. | 
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              CAAX Endoproteases 2013 August  | 
              Structures of two Ste24p-family proteases locate the active site inside a hollow, membrane-spanning chamber. | 
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              Cas4 Nuclease and Bacterial Immunity 2014 February  | 
              A distinctive toroidal structure, a metal ion and an iron-sulfur cluster allow Cas4 to unwind and process phage DNA in the process of CRISPR-associated immunity. | 
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              CBS Domain Protein TA0289 2009 February  | 
              Research in bioinformatics has shown that proteins are often modular, and that these modules are often mixed and matched to form new proteins. | 
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              CCR5 and HIV Infection 2015 January  | 
              A new PSI structure shows how the anti-HIV drug maraviroc locks the coreceptor CCR5 in an inactive state. | 
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              Chronophin 2008 May  | 
              The cell is a busy place with thousands of things happening at once. | 
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              Coenzyme F420 Synthesis 2008 April  | 
              Unusual coenzymes are often needed to perform particularly difficult enzymatic tasks. | 
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              Community-Nominated Targets 2015 July  | 
              The Community-Nominated Targets program has allowed PSI to collaborate with researchers on hundreds of systems of high biological significance. | 
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              CXCR4 2011 January  | 
              The GPCR (G protein-coupled receptor) community is suffering from an embarrassment of riches. | 
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              Cytochrome Oxidase 2012 November  | 
              Cytochrome oxidase is the foundation of aerobic respiration. | 
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              Deciphering Microbial DUFs 2014 November  | 
              PSI researchers are characterizing domains of unknown function in microbes, and discovering new protein folds in the process. | 
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              Designer Proteins 2013 February  | 
              PSI biology researchers have discovered several rules for protein folding and used them to design five entirely new proteins. | 
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              Discovering Deaminases 2014 January  | 
              The Enzyme Function Initiative uses a structure-guided approach to predict functions of enzymes based on their amino acid sequence. This approach has revealed a variety of novel deaminases. | 
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              Disordered Proteins 2012 February  | 
              Looking through the thousands of structures in the PDB, we get the impression that proteins must have a stable, folded structure to be functional. | 
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              DNAJA1 and Pancreatic Cancer 2014 July  | 
              PSI researchers have determined the structure of a DnaJ cochaperone and studied its role in pancreatic cancer. | 
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              Dynamic DnaK 2015 March  | 
              PSI researchers have used an engineered version of DnaK to reveal the open state of an Hsp70 protein chaperone. | 
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              Evolution of Photoconversion 2015 June  | 
              PSI researchers have discovered that protein flexibility is a key element in the evolutionary pathway for developing photoconvertable GFP-like proteins. | 
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              Exploring the Secretome of Gut Bacteria 2011 September  | 
              We often think of bacteria as our enemies, as something we need to fight with antiseptics and antibiotics. | 
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              G Protein-Coupled Receptors 2012 May  | 
              In the past five years, the field of GPCR structure has exploded. | 
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              G Proteins and Cancer  2013 November  | 
              G-proteins play an essential role in cell signaling, a role that is corrupted in many types of cancer cells. | 
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              Glucagon Receptor  2014 April  | 
              PSI researchers have solved the structures of a GPCR that binds to peptide hormones, revealing new modes of GPCR recognition. | 
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              Glycerate Kinase 2008 March  | 
              The structure of the TM1585 gene product of the bacterium Thermotoga maritima, recently solved by the Joint Center for Structural Genomics, gives the first look at a novel enzyme in sugar metabolism, and provides a new protein fold as a bonus. | 
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              Guanine Nucleotide Exchange Factor Vav1 and Rho GTPase Rac1 2009 October  | 
              Our cells are filled with a cytoskeleton that provides an infrastructure for support, transport, and locomotion. | 
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              Hda and DNA Replication 2009 June  | 
              Cell division requires careful bookkeeping. | 
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              Hemolysin BL 2010 January  | 
              Bacteria are master weapon makers. | 
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              Imidazolonepropionase (HutI) 2008 December  | 
              Histidine is an essential amino acid with several interesting chemical properties. | 
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              Iron-Sulfur Cluster Biosynthesis 2014 December  | 
              PSI researchers are exploring the complex biological machinery that builds iron-sulfur clusters. | 
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              Isoxanthopterin Deaminase 2010 November  | 
              How do you discover the function of a new protein? Structural genomics researchers are faced with this problem every day, and they have developed a toolbox full of methods to help solve it. | 
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              Lysostaphin 2009 July  | 
              Antibiotics are one of the major triumphs of twentieth century science, but unfortunately, the bacteria are fighting back. | 
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              Making Lipopolysaccharide 2012 January  | 
              Many bacteria surround themselves with a protective coat, to resist attack from antibiotics, predators, and the immune system. | 
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              Methylation of Arginine 2013 December  | 
              Protein methylation is widely used for regulation of proteins inside cells. A recent PSI structure reveals the interaction between an arginine methyltransferase and the machinery that regulates its action. | 
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              Mre11 Nuclease 2010 May  | 
              All living things on the Earth store their genetic information in long strands of DNA. | 
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              NDM-1 and Antibiotics 2013 May  | 
              With structural biology and computational analysis, PSI Biology researchers have revealed the catalytic pathway of an antibiotic-destroying enzyme. | 
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               New NTF2-like Domains  2014 May  | 
              PSI researchers are exploring the range of structures adopted by a versatile protein fold. | 
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              Nitrile Reductase QueF 2011 March  | 
              Nature uses exotic chemistry to build its diverse collection of molecules. | 
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              Nitrobindin 2010 December  | 
              Proteins perform most of the nanoscale tasks inside of cells, but occasionally, they need help from more exotic molecules. | 
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              P2Y Receptors and Blood Clotting 2014 September  | 
              PSI researchers have revealed a novel rearrangement in a purine-binding GPCR, opening new avenues for the design of blood clotting drugs. | 
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              PDZ Domains 2013 April  | 
              PDZ domains are specialists in protein recognition, but PSI Biology researchers are revealing their abilities to bind to membranes as well. | 
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              Peptidyl-carrier Proteins 2014 October  | 
              PSI researchers have determined the structure of a new class of peptidyl-carrier proteins, helping to understand how cells make exotic peptides without using ribosomes. | 
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              Phytochrome 2010 April  | 
              Most animals, including ourselves, use sophisticated eyes to see light. | 
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              Piecing Together the Nuclear Pore Complex 2015 February  | 
              PSI researchers have solved another piece in the puzzle for revealing an atomic-level model of the nuclear pore complex. | 
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              Pilus Assembly Protein TadZ 2012 April  | 
              Many bacteria are covered with long filaments, called pili or fimbriae, that help them interact and attach to their environment. | 
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              Power in Numbers 2014 August  | 
              PSI researchers have determined the structure of a transcriptional regulator involved in quorum sensing in an important pathogenic bacterium. | 
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              Proteinase K and Digalacturonic Acid 2010 September  | 
              X-ray crystallography is one of the most exact experimental techniques, but ironically, it is also one that relies on sheer luck. | 
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              Pseudouridine Synthase TruA 2009 November  | 
              Evolution is a great tinkerer. | 
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              Rb Tumor Suppressor and Cancer 2011 August  | 
              One of the overarching goals of structural genomics is to characterize the structure and function of entire systems of proteins. | 
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              RBBP9 (Retinoblastoma Binding Protein 9) 2010 June  | 
              Biological complexity is at its most complex when we look to signaling. | 
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              Revealing the Nuclear Pore Complex 2012 March  | 
              This is an exciting time for the study of the nuclear pore complex, the highway of transport between the cytoplasm and nucleus, and also a central player in nuclear organization and gene regulation. | 
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              Ribofuranosyl Binding Protein 2011 June  | 
              Molecular recognition is at the very heart of life. | 
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              Ribonuclease and Ribonuclease Inhibitor 2009 April  | 
              The complex between ribonuclease and ribonuclease inhibitor is one of the tightest known intermolecular interactions, but researchers at the CESG are trying to change that. | 
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              RNA Chaperone NMB1681 2011 July  | 
              The small protein NMB1681 has been proposed to act as an RNA chaperone, but unlike a chaperone at a high school dance, NMB1681 acts as a molecular matchmaker, trying to bring together the molecules it watches over, rather than keeping them apart. | 
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              RNase T 2008 July  | 
              Living cells are filled with RNases, but not highly destructive ones like our digestive RNase. | 
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              Ryanodine Receptor 2015 April  | 
              PSI researchers take a close look at a gated calcium channel that controls muscle contraction. | 
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              Salicylic Acid Binding Protein 2 2009 August  | 
              Centuries ago, both the ancient Greeks and native Americans discovered that willow bark and other plants can dull pain. | 
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              SARS Coronavirus Nonstructural Protein 1 2008 June  | 
              Researchers at the Joint Center for Structural Genomics have obtained the first look at nsp1 (nonstructural protein 1), a major factor in the pathogenicity of the coronavirus that causes SARS (severe acute respiratory syndrome). | 
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              Scavenger Decapping Enzyme DcpS 2008 November  | 
              Messenger RNA molecules are temporary molecules. | 
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              Secretagogin 2009 December  | 
              Cells typically deplete themselves of calcium, expending considerable energy to pump calcium ions out of the cell or into special compartments inside the cell. | 
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              Serum Albumins and Allergies 2013 October  | 
              A new structure of bovine serum albumin reveals three calcium-binding sites and sheds light on the unusual allergenicity of the molecule. | 
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              Signaling with DivL 2015 May  | 
              DivL shares many structural features with other bacterial signaling proteins, but has been modified by evolution to reverse the typical directionality of signaling. | 
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              Solute Channels 2012 September  | 
              Cells maintain a steady traffic of small molecules across their membranes. | 
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              Stabilizing DNA Single Strands 2013 July  | 
              PSI researchers have determined the structure of a new single-stranded DNA-binding domain, revealing a surprising connection between the kingdoms of life. | 
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              Superbugs and Antibiotic Resistance 2011 December  | 
              Antibiotics were used as weapons to fight bacteria long before Alexander Fleming discovered penicillin. | 
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              T-Rex 2008 September  | 
              The repressor protein T-Rex has the difficult job of distinguishing the difference between NAD+ and NADH. | 
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              Targeting Enzyme Function with Structural Genomics 2012 July  | 
              Prediction of the function of a new enzyme based only on its sequence, or even on its structure, is still a major challenge, and will be a major prize for biomedical research when effective methods are developed. | 
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              The Perils of Protein Secretion 2011 November  | 
              Salmonella bacteria are tiny terrorists that infect cells and ultimately destroy them. | 
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              Toxin-antitoxin VapBC-5 2009 September  | 
              Living cells are full of surprises and mysteries. | 
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              TrkH Potassium Ion Transporter 2011 April  | 
              Cells are filled with a salty soup of metal ions. | 
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              tRNA Isopentenyltransferase MiaA 2010 August  | 
              Cells always seem to find the best way of doing things. | 
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              Tryptophanyl-tRNA Synthetase 2011 February  | 
              Biology is full of surprises, and they often tell us important things about ourselves. | 
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              Tuning Immune Response with Costimulation 2013 June  | 
              PSI researchers are studying molecules that stimulate and inhibit our immune response, ensuring that it is activated only when necessary. | 
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              Viroporins 2014 March  | 
              PSI researchers have determined the structures of several viral pore-forming proteins, revealing common functional features. | 
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              Zinc Transporter ZntB 2010 July  | 
              Zinc is an essential component of many cellular processes. | 



























































































