Helicobacter pylori CagA inhibits PAR1-MARK family kinases by mimicking host substrates.

abstract：:In eukaryotes, the essential dimeric molecular chaperone Hsp90 is required for the activation and maturation of specific substrates such as steroid hormone receptors, tyrosine kinases and transcription factors. Hsp90 is involved in the establishment of cancer and has become an attractive target for drug design. Here w...

journal_title：Nature structural & molecular biology

authors： Hagn F,Lagleder S,Retzlaff M,Rohrberg J,Demmer O,Richter K,Buchner J,Kessler H

更新日期：2011-09-04 00:00:00

abstract：:Thylakoid assembly 8 (THA8) is a pentatricopeptide repeat (PPR) RNA-binding protein required for the splicing of the transcript of ycf3, a gene involved in chloroplast thylakoid-membrane biogenesis. Here we report the identification of multiple THA8-binding sites in the ycf3 intron and present crystal structures of Br...

journal_title：Nature structural & molecular biology

authors： Ke J,Chen RZ,Ban T,Zhou XE,Gu X,Tan MH,Chen C,Kang Y,Brunzelle JS,Zhu JK,Melcher K,Xu HE

更新日期：2013-12-01 00:00:00

abstract：:The DNA-damage response (DDR) ensures genome stability and proper inheritance of genetic information, both of which are essential to survival. It is presently unclear to what extent other signaling pathways modulate DDR function. Here we show that Notch receptor binds and inactivates ATM kinase and that this mechanism...

journal_title：Nature structural & molecular biology

authors： Vermezovic J,Adamowicz M,Santarpia L,Rustighi A,Forcato M,Lucano C,Massimiliano L,Costanzo V,Bicciato S,Del Sal G,d'Adda di Fagagna F

更新日期：2015-05-01 00:00:00

abstract：:In nutrient-starved bacteria, RelA and SpoT proteins have key roles in reducing cell growth and overcoming stresses. Here we identify functional SpoT orthologs in metazoa (named Mesh1, encoded by HDDC3 in human and Q9VAM9 in Drosophila melanogaster) and reveal their structures and functions. Like the bacterial enzyme,...

journal_title：Nature structural & molecular biology

authors： Sun D,Lee G,Lee JH,Kim HY,Rhee HW,Park SY,Kim KJ,Kim Y,Kim BY,Hong JI,Park C,Choy HE,Kim JH,Jeon YH,Chung J

更新日期：2010-10-01 00:00:00

abstract：:The RNA-induced transcriptional silencing (RITS) complex, containing Ago1, Chp1, Tas3 and centromeric small interfering RNAs (siRNAs), is required for heterochromatic gene silencing at centromeres. Here, we identify a second fission yeast Argonaute complex (Argonaute siRNA chaperone, ARC), which contains, in addition ...

journal_title：Nature structural & molecular biology

authors： Buker SM,Iida T,Bühler M,Villén J,Gygi SP,Nakayama J,Moazed D

更新日期：2007-03-01 00:00:00

abstract：:The type III secretion system (T3SS) is a macromolecular 'injectisome' that allows bacterial pathogens to transport virulence proteins into the eukaryotic host cell. This macromolecular complex is composed of connected ring-like structures that span both bacterial membranes. The crystal structures of the periplasmic d...

journal_title：Nature structural & molecular biology

authors： Spreter T,Yip CK,Sanowar S,André I,Kimbrough TG,Vuckovic M,Pfuetzner RA,Deng W,Yu AC,Finlay BB,Baker D,Miller SI,Strynadka NC

更新日期：2009-05-01 00:00:00

abstract：:Nuclear export of preribosomal subunits is a key step during eukaryotic ribosome formation. To efficiently pass through the FG-repeat meshwork of the nuclear pore complex, the large pre-60S subunit requires several export factors. Here we describe the mechanism of recruitment of the Saccharomyces cerevisiae RNA-export...

journal_title：Nature structural & molecular biology

authors： Sarkar A,Pech M,Thoms M,Beckmann R,Hurt E

更新日期：2016-12-01 00:00:00

abstract：:Human telomeres are associated with ATM and the protein complex consisting of MRE11, RAD50 and NBS1 (MRN), which are central to maintaining genomic stability. Here we show that when targeted to telomeres, wild-type RAD50 downregulates telomeric association of TRF1, a negative regulator of telomere maintenance. TRF1 bi...

journal_title：Nature structural & molecular biology

authors： Wu Y,Xiao S,Zhu XD

更新日期：2007-09-01 00:00:00

abstract：:The human APOBEC3G (A3G) DNA cytosine deaminase restricts and hypermutates DNA-based parasites including HIV-1. The viral infectivity factor (Vif) prevents restriction by triggering A3G degradation. Although the structure of the A3G catalytic domain is known, the structure of the N-terminal Vif-binding domain has prov...

journal_title：Nature structural & molecular biology

authors： Kouno T,Luengas EM,Shigematsu M,Shandilya SM,Zhang J,Chen L,Hara M,Schiffer CA,Harris RS,Matsuo H

更新日期：2015-06-01 00:00:00

abstract：:Pre-messenger RNAs (pre-mRNAs) maturation is initiated cotranscriptionally. It is therefore conceivable that chromatin-borne information participates in alternative splicing. Here we find that elevated levels of trimethylation of histone H3 on Lys9 (H3K9me3) are a characteristic of the alternative exons of several gen...

journal_title：Nature structural & molecular biology

authors： Saint-André V,Batsché E,Rachez C,Muchardt C

更新日期：2011-03-01 00:00:00

abstract：:Heterochromatin causes epigenetic repression that can be transmitted through multiple cell divisions. However, the mechanisms underlying silencing and stability of heterochromatin are not fully understood. We show that heterochromatin differs from euchromatin in histone turnover and identify histone deacetylase (HDAC)...

journal_title：Nature structural & molecular biology

authors： Aygün O,Mehta S,Grewal SI

更新日期：2013-05-01 00:00:00

abstract：:Mg-ADP release is considered to be a crucial process for the regulation and motility of kinesin. To gain insight into the structural basis of this process, we solved the atomic structures of kinesin superfamily protein-1A (KIF1A) during and after Mg(2+) release. On the basis of new structural and mutagenesis data, we ...

journal_title：Nature structural & molecular biology

authors： Nitta R,Okada Y,Hirokawa N

更新日期：2008-10-01 00:00:00

abstract：:Mutually exclusive splicing is a regulated means to generate protein diversity, but the underlying mechanisms are poorly understood. Here comparative genome analysis revealed the built-in intronic elements for controlling mutually exclusive splicing of the 14-3-3ξ pre-mRNA. These elements are clade specific but are ev...

journal_title：Nature structural & molecular biology

authors： Yang Y,Zhan L,Zhang W,Sun F,Wang W,Tian N,Bi J,Wang H,Shi D,Jiang Y,Zhang Y,Jin Y

更新日期：2011-02-01 00:00:00

abstract：:Microtubules are regulated by post-translational modifications of tubulin. The ligation and cleavage of the carboxy-terminal tyrosine of α-tubulin impact microtubule functions during mitosis, cardiomyocyte contraction and neuronal processes. Tubulin tyrosination and detyrosination are mediated by tubulin tyrosine liga...

journal_title：Nature structural & molecular biology

authors： Li F,Hu Y,Qi S,Luo X,Yu H

更新日期：2019-07-01 00:00:00

abstract：:The Rbfox family of splicing factors regulate alternative splicing during animal development and in disease, impacting thousands of exons in the maturing brain, heart and muscle. Rbfox proteins have long been known to bind to the RNA sequence GCAUG with high affinity and specificity, but just half of Rbfox binding sit...

journal_title：Nature structural & molecular biology

authors： Begg BE,Jens M,Wang PY,Minor CM,Burge CB

更新日期：2020-10-01 00:00:00

abstract：:An amendment to this paper has been published and can be accessed via a link at the top of the paper. ...

journal_title：Nature structural & molecular biology

authors： Fichou Y,Han S

更新日期：2019-06-01 00:00:00

abstract：:Argonaute (Ago) proteins mediate silencing of nucleic acid targets by small RNAs. In fission yeast, Ago1, Tas3 and Chp1 assemble into a RITS complex, which silences transcription near centromeres. Here we describe a repetitive motif within Tas3, termed the 'Argonaute hook', that is conserved from yeast to humans and b...

journal_title：Nature structural & molecular biology

authors： Till S,Lejeune E,Thermann R,Bortfeld M,Hothorn M,Enderle D,Heinrich C,Hentze MW,Ladurner AG

更新日期：2007-10-01 00:00:00

abstract：:Processing of transcribed precursor ribosomal RNA (pre-rRNA) to a mature state is a conserved aspect of ribosome biogenesis in vivo. We developed an affinity-purification system to isolate and analyze in vivo-formed pre-rRNA-containing ribonucleoprotein (RNP) particles (rRNPs) from wild-type E. coli. We observed that ...

journal_title：Nature structural & molecular biology

authors： Gupta N,Culver GM

更新日期：2014-10-01 00:00:00

abstract：:Cells respond to changes in environmental conditions via orchestrated modifications in gene expression. For example, in response to heat shock, cells execute a program of gene-specific transcriptional activation and repression. Although the activation of genes upon heat shock has been widely studied, the mechanism of ...

journal_title：Nature structural & molecular biology

authors： Allen TA,Von Kaenel S,Goodrich JA,Kugel JF

更新日期：2004-09-01 00:00:00

abstract：:Clustered codons that pair to low-abundance tRNA isoacceptors can form slow-translating regions in the mRNA and cause transient ribosomal arrest. We report that folding efficiency of the Escherichia coli multidomain protein SufI can be severely perturbed by alterations in ribosome-mediated translational attenuation. S...

journal_title：Nature structural & molecular biology

authors： Zhang G,Hubalewska M,Ignatova Z

更新日期：2009-03-01 00:00:00

abstract：:Beta-2 microglobulin (beta2m) is a globular protein that self-associates into fibrillar amyloid deposits in patients undergoing hemodialysis therapy. Formation of these beta-sheet-rich assemblies is a fundamental property of polypeptides that can be triggered by diverse conditions. For beta2m, oligomerization into pre...

journal_title：Nature structural & molecular biology

authors： Calabrese MF,Eakin CM,Wang JM,Miranker AD

更新日期：2008-09-01 00:00:00

abstract：:How do the key features of protein folding, elucidated from studies on native, isolated proteins, manifest in cotranslational folding on the ribosome? Using a well-characterized family of homologous α-helical proteins with a range of biophysical properties, we show that spectrin domains can fold vectorially on the rib...

journal_title：Nature structural & molecular biology

authors： Nilsson OB,Nickson AA,Hollins JJ,Wickles S,Steward A,Beckmann R,von Heijne G,Clarke J

更新日期：2017-03-01 00:00:00

abstract：:Many genomic alterations associated with human diseases localize in noncoding regulatory elements located far from the promoters they regulate, making it challenging to link noncoding mutations or risk-associated variants with target genes. The range of action of a given set of enhancers is thought to be defined by in...

journal_title：Nature structural & molecular biology

authors： Martin D,Pantoja C,Fernández Miñán A,Valdes-Quezada C,Moltó E,Matesanz F,Bogdanović O,de la Calle-Mustienes E,Domínguez O,Taher L,Furlan-Magaril M,Alcina A,Cañón S,Fedetz M,Blasco MA,Pereira PS,Ovcharenko I,Recillas-Tar

更新日期：2011-06-01 00:00:00

abstract：:Structural maintenance of chromosome (SMC) complexes are central regulators of chromosome architecture that are essential in all domains of life. For decades, the structural biology field has been debating how these conserved protein complexes use their intricate ring-like structures to structurally organize DNA. Here...

journal_title：Nature structural & molecular biology

authors： Eeftens J,Dekker C

更新日期：2017-12-07 00:00:00

abstract：:Obesity and type II diabetes are closely linked metabolic syndromes that afflict >100 million people worldwide. Although protein tyrosine phosphatase 1B (PTP1B) has emerged as a promising target for the treatment of both syndromes, the discovery of pharmaceutically acceptable inhibitors that bind at the active site re...

journal_title：Nature structural & molecular biology

authors： Wiesmann C,Barr KJ,Kung J,Zhu J,Erlanson DA,Shen W,Fahr BJ,Zhong M,Taylor L,Randal M,McDowell RS,Hansen SK

更新日期：2004-08-01 00:00:00

abstract：:Newly synthesized polypeptides undergo various cotranslational maturation steps, including N-terminal enzymatic processing, chaperone-assisted folding and membrane targeting, but the spatial and temporal coordination of these steps is unclear. We show that Escherichia coli methionine aminopeptidase (MAP) associates wi...

journal_title：Nature structural & molecular biology

authors： Sandikci A,Gloge F,Martinez M,Mayer MP,Wade R,Bukau B,Kramer G

更新日期：2013-07-01 00:00:00

abstract：:Severe acute respiratory syndrome coronavirus nsp1 protein suppresses host gene expression, including type I interferon production, by promoting host mRNA degradation and inhibiting host translation, in infected cells. We present evidence that nsp1 uses a novel, two-pronged strategy to inhibit host translation and gen...

journal_title：Nature structural & molecular biology

authors： Kamitani W,Huang C,Narayanan K,Lokugamage KG,Makino S

更新日期：2009-11-01 00:00:00

abstract：:The ClpAP complex is a conserved bacterial protease that unfolds and degrades proteins targeted for destruction. The ClpA double-ring hexamer powers substrate unfolding and translocation into the ClpP proteolytic chamber. Here, we determined high-resolution structures of wild-type Escherichia coli ClpAP undergoing act...

journal_title：Nature structural & molecular biology

authors： Lopez KE,Rizo AN,Tse E,Lin J,Scull NW,Thwin AC,Lucius AL,Shorter J,Southworth DR

更新日期：2020-05-01 00:00:00

abstract：:Bacteriophages express proteins that inactivate the CRISPR-Cas bacterial immune system. Here we report the crystal structure of the anti-CRISPR protein AcrF3 in complex with Pseudomonas aeruginosa Cas3 (PaCas3). AcrF3 forms a homodimer that locks PaCas3 in an ADP-bound form, blocks the entrance of the DNA-binding tunn...

journal_title：Nature structural & molecular biology

authors： Wang X,Yao D,Xu JG,Li AR,Xu J,Fu P,Zhou Y,Zhu Y

更新日期：2016-09-01 00:00:00

abstract：:The noncoding RNA Xist recruits silencing factors to the inactive X chromosome (Xi) and facilitates re-organization of Xi structure. Here, we examine the mouse epigenomic landscape of Xi and assess how Xist alters chromatin accessibility. Xist deletion triggers a gain of accessibility of select chromatin regions that ...

journal_title：Nature structural & molecular biology

authors： Jégu T,Blum R,Cochrane JC,Yang L,Wang CY,Gilles ME,Colognori D,Szanto A,Marr SK,Kingston RE,Lee JT

更新日期：2019-02-01 00:00:00