DNA looping.

abstract：:The bacterial TolC protein plays a common role in the expulsion of diverse molecules, which include protein toxins and antibacterial drugs, from the cell. TolC is a trimeric 12-stranded alpha/beta barrel, comprising an alpha-helical trans-periplasmic tunnel embedded in the outer membrane by a contiguous beta-barrel ch...

journal_title：Annual review of biochemistry

authors： Koronakis V,Eswaran J,Hughes C

更新日期：2004-01-01 00:00:00

abstract：:Histone proteins are subject to a host of posttranslational modifications (PTMs) that modulate chromatin structure and function. Such control is achieved by the direct alteration of the intrinsic physical properties of the chromatin fiber or by regulating the recruitment and activity of a host of trans-acting nuclear ...

journal_title：Annual review of biochemistry

authors： Holt M,Muir T

更新日期：2015-01-01 00:00:00

abstract：:This review is concerned with the structures and mechanisms of a superfamily of regulatory GTP hydrolases (G proteins). G proteins include Ras and its close homologs, translation elongation factors, and heterotrimeric G proteins. These proteins share a common structural core, exemplified by that of p21ras (Ras), and s...

journal_title：Annual review of biochemistry

authors： Sprang SR

更新日期：1997-01-01 00:00:00

abstract：:Protein folding in the cell is mediated by an extensive network of >1,000 chaperones, quality control factors, and trafficking mechanisms collectively termed the proteostasis network. While the components and organization of this network are generally well established, our understanding of how protein-folding problems...

journal_title：Annual review of biochemistry

authors： Sebastian RM,Shoulders MD

更新日期：2020-06-20 00:00:00

abstract：:Telomeres are essential for genome stability in all eukaryotes. Changes in telomere functions and the associated chromosomal abnormalities have been implicated in human aging and cancer. Telomeres are composed of repetitive sequences that can be maintained by telomerase, a complex containing a reverse transcriptase (h...

journal_title：Annual review of biochemistry

authors： Smogorzewska A,de Lange T

更新日期：2004-01-01 00:00:00

abstract：:The relationship between protein dynamics and function is a subject of considerable contemporary interest. Although protein motions are frequently observed during ligand binding and release steps, the contribution of protein motions to the catalysis of bond making/breaking processes is more difficult to probe and veri...

journal_title：Annual review of biochemistry

authors： Klinman JP,Kohen A

更新日期：2013-01-01 00:00:00

abstract：:Analysis of the human genome reveals that approximately a third of all open reading frames code for proteins that enter the endoplasmic reticulum (ER), demonstrating the importance of this organelle for global protein maturation. The path taken by a polypeptide through the secretory pathway starts with its translocati...

journal_title：Annual review of biochemistry

authors： Braakman I,Bulleid NJ

更新日期：2011-01-01 00:00:00

abstract：:The lipid A moiety of lipopolysaccharide forms the outer monolayer of the outer membrane of most gram-negative bacteria. Escherichia coli lipid A is synthesized on the cytoplasmic surface of the inner membrane by a conserved pathway of nine constitutive enzymes. Following attachment of the core oligosaccharide, nascen...

journal_title：Annual review of biochemistry

authors： Raetz CR,Reynolds CM,Trent MS,Bishop RE

更新日期：2007-01-01 00:00:00

abstract：:DNA molecules are able to transport electrons over long distances. In most experiments the process is stimulated by the oxidation of guanines (G), which generates guanine radical cations. The electron transport through DNA occurs in a multistep hopping mechanism with all Gs as carriers of the positive charge. The rate...

journal_title：Annual review of biochemistry

authors： Giese B

更新日期：2002-01-01 00:00:00

abstract：:The rhodopsin crystal structure provides a structural basis for understanding the function of this and other G protein-coupled receptors (GPCRs). The major structural motifs observed for rhodopsin are expected to carry over to other GPCRs, and the mechanism of transformation of the receptor from inactive to active for...

journal_title：Annual review of biochemistry

authors： Palczewski K

更新日期：2006-01-01 00:00:00

abstract：:Early influences led me first to medical school with a view to microbiology, but I felt the lack of a deeper foundation and changed to chemistry, which in turn led me to physics and mathematics. I moved to the University of Cape Town to work on the X-ray crystallography of some small organic compounds. I developed a n...

journal_title：Annual review of biochemistry

authors： Klug A

更新日期：2010-01-01 00:00:00

abstract：:Aerobic life is possible because the molecular structure of oxygen (O2) makes direct reaction with most organic materials at ambient temperatures an exceptionally slow process. Of course, these reactions are inherently very favorable, and they occur rapidly with the release of a great deal of energy at high temperatur...

journal_title：Annual review of biochemistry

authors： Banerjee R,Jones JC,Lipscomb JD

更新日期：2019-06-20 00:00:00

abstract：:Members of the Rab or ARF/Sar branches of the Ras GTPase superfamily regulate almost every step of intracellular membrane traffic. A rapidly growing body of evidence indicates that these GTPases do not act as lone agents but are networked to one another through a variety of mechanisms to coordinate the individual even...

journal_title：Annual review of biochemistry

authors： Mizuno-Yamasaki E,Rivera-Molina F,Novick P

更新日期：2012-01-01 00:00:00

abstract：:The complexity of even the simplest known life forms makes efforts to synthesize living cells from inanimate components seem like a daunting task. However, recent progress toward the creation of synthetic cells, ranging from simple protocells to artificial cells approaching the complexity of bacteria, suggests that th...

journal_title：Annual review of biochemistry

authors： Blain JC,Szostak JW

更新日期：2014-01-01 00:00:00

abstract：:The packaging of chromosomal DNA by nucleosomes condenses and organizes the genome, but occludes many regulatory DNA elements. However, this constraint also allows nucleosomes and other chromatin components to actively participate in the regulation of transcription, chromosome segregation, DNA replication, and DNA rep...

journal_title：Annual review of biochemistry

authors： Clapier CR,Cairns BR

更新日期：2009-01-01 00:00:00

abstract：:Given the functional importance of the endoplasmic reticulum (ER), an organelle that performs folding, modification, and trafficking of secretory and membrane proteins to the Golgi compartment, the maintenance of ER homeostasis in insulin-secreting β-cells is very important. When ER homeostasis is disrupted, the ER ge...

journal_title：Annual review of biochemistry

authors： Back SH,Kaufman RJ

更新日期：2012-01-01 00:00:00

abstract：:Staphylococcus aureus is a major human and veterinary pathogen worldwide. Methicillin-resistant S. aureus (MRSA) poses a significant and enduring problem to the treatment of infection by such strains. Resistance is usually conferred by the acquisition of a nonnative gene encoding a penicillin-binding protein (PBP2a), ...

journal_title：Annual review of biochemistry

authors： Peacock SJ,Paterson GK

更新日期：2015-01-01 00:00:00

abstract：:A broad view is given of photoregulated processes as they occur in algae, fungi, halophilic bacteria, higher plants, invertebrates, and higher animals. Emphasis is on the following: the organs, tissues, and organelles that participate; the nature of the photoreceptor pigments; the light-induced structural changes that...

journal_title：Annual review of biochemistry

authors： Erlanger BF

更新日期：1976-01-01 00:00:00

abstract：:Over the past three decades, studies of ancient biomolecules-particularly ancient DNA, proteins, and lipids-have revolutionized our understanding of evolutionary history. Though initially fraught with many challenges, today the field stands on firm foundations. Researchers now successfully retrieve nucleotide and amin...

journal_title：Annual review of biochemistry

authors： Cappellini E,Prohaska A,Racimo F,Welker F,Pedersen MW,Allentoft ME,de Barros Damgaard P,Gutenbrunner P,Dunne J,Hammann S,Roffet-Salque M,Ilardo M,Moreno-Mayar JV,Wang Y,Sikora M,Vinner L,Cox J,Evershed RP,Willerslev E

更新日期：2018-06-20 00:00:00

abstract：:Prenylation is a class of lipid modification involving covalent addition of either farnesyl (15-carbon) or geranylgeranyl (20-carbon) isoprenoids to conserved cysteine residues at or near the C-terminus of proteins. Known prenylated proteins include fungal mating factors, nuclear lamins, Ras and Ras-related GTP-bindin...

journal_title：Annual review of biochemistry

authors： Zhang FL,Casey PJ

更新日期：1996-01-01 00:00:00

abstract：:Alterations of chromatin structure have been shown to be crucial for response to cell signaling and for programmed gene expression in development. Posttranslational histone modifications influence changes in chromatin structure both directly and by targeting or activating chromatin-remodeling complexes. Histone modifi...

journal_title：Annual review of biochemistry

authors： Suganuma T,Workman JL

更新日期：2011-01-01 00:00:00

abstract：:Numerous membrane proteins form multisubunit protein complexes, which contain both integral and peripheral subunits, in addition to prosthetic groups. Bacterial membrane proteins are inserted into the inner membrane by the Sec translocase and YidC insertase. Their folding can be facilitated by YidC and the phospholipi...

journal_title：Annual review of biochemistry

authors： Dalbey RE,Wang P,Kuhn A

更新日期：2011-01-01 00:00:00

abstract：:The protein kinase Akt/PKB is activated via a multistep process by a variety of signals. In the early steps of this process, PI-3 kinase-generated D3-phosphorylated phosphoinositides bind the Akt PH domain and induce the translocation of the kinase to the plasma membrane where it co-localizes with phosphoinositide-dep...

journal_title：Annual review of biochemistry

authors： Chan TO,Rittenhouse SE,Tsichlis PN

更新日期：1999-01-01 00:00:00

abstract：:Glycoproteins have a wide distribution in nature and serve a vast number of functions. There are glycoprotein enzymes and hormones; glycoproteins are found in blood and secretions, in cell membranes, and in connective tissue. Of all the biologically occurring macromolecules the glycoproteins, which consist of carbohyd...

journal_title：Annual review of biochemistry

authors： Kornfeld R,Kornfeld S

更新日期：1976-01-01 00:00:00

abstract：:My coworkers and I have used animal viruses and their interaction with host cells to investigate cellular processes difficult to study by other means. This approach has allowed us to branch out in many directions, including membrane protein characterization, endocytosis, secretion, protein folding, quality control, an...

journal_title：Annual review of biochemistry

authors： Helenius A

更新日期：2020-06-20 00:00:00

abstract：:Clathrin-mediated endocytosis (CME) is the major endocytic pathway in mammalian cells. It is responsible for the uptake of transmembrane receptors and transporters, for remodeling plasma membrane composition in response to environmental changes, and for regulating cell surface signaling. CME occurs via the assembly an...

journal_title：Annual review of biochemistry

authors： Mettlen M,Chen PH,Srinivasan S,Danuser G,Schmid SL

更新日期：2018-06-20 00:00:00

abstract：:The existence and function of actin in the nucleus has been hotly debated for forty years. Recently, beta-actin was found to be a component of mammalian SWI/SNF-like BAF chromatin remodeling complexes and still more recently other SWI/SNF-related chromatin remodeling complexes in yeast, flies, and man. Although the fu...

journal_title：Annual review of biochemistry

authors： Olave IA,Reck-Peterson SL,Crabtree GR

更新日期：2002-01-01 00:00:00

abstract：:A childhood fascination with animals, plants, and insects was aided and abetted by many giants, beginning with my parents. The Bronx High School of Science and the City College of New York (CCNY) made a solid and priceless grounding in chemistry and biology available free of charge. Abe Mazur at CCNY revealed the wond...

journal_title：Annual review of biochemistry

authors： Fridovich I

更新日期：2003-01-01 00:00:00

abstract：:Sorting of transmembrane proteins to endosomes and lysosomes is mediated by signals present within the cytosolic domains of the proteins. Most signals consist of short, linear sequences of amino acid residues. Some signals are referred to as tyrosine-based sorting signals and conform to the NPXY or YXXO consensus moti...

journal_title：Annual review of biochemistry

authors： Bonifacino JS,Traub LM

更新日期：2003-01-01 00:00:00

abstract：:Mechanisms of chemical reaction can often be predicted by determining the dependence of the lifetime of reaction intermediates on the structure of the reactants. When there is no lifetime in the presence of another reactant or catalyst the reaction proceeds through an enforced concerted mechanism. Noncovalent binding ...

journal_title：Annual review of biochemistry

authors： Jencks WP

更新日期：1997-01-01 00:00:00