Substrate-engaged 26S proteasome.

abstract：:The N-terminal acetylation of Sir3 is essential for heterochromatin establishment and maintenance in yeast, but its mechanism of action is unknown. The crystal structure of the N-terminally acetylated BAH domain of Saccharomyces cerevisiae Sir3 bound to the nucleosome core particle reveals that the N-terminal acetylat...

journal_title：Nature structural & molecular biology

authors： Arnaudo N,Fernández IS,McLaughlin SH,Peak-Chew SY,Rhodes D,Martino F

更新日期：2013-09-01 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：:To our knowledge, no structural study to date has characterized, in an intact receptor, the coupling of conformational change in extracellular domains through a single-pass transmembrane domain to conformational change in cytoplasmic domains. Here we examine such coupling, and its unexpected complexity, using nearly f...

journal_title：Nature structural & molecular biology

authors： Mi LZ,Lu C,Li Z,Nishida N,Walz T,Springer TA

更新日期：2011-08-07 00:00:00

abstract：:Histone H3 Lys4 (H3K4) is methylated by yeast Set1-COMPASS and its mammalian homolog, the MLL complex. Human JARID1d can demethylate trimethyl-H3K4 (H3K4me3). We identified Drosophila melanogaster little imaginal discs (Lid) as the JARID1d homolog. We report that Lid knockdown using RNA interference results in a speci...

journal_title：Nature structural & molecular biology

authors： Eissenberg JC,Lee MG,Schneider J,Ilvarsonn A,Shiekhattar R,Shilatifard A

更新日期：2007-04-01 00:00:00

abstract：:Seven-helix membrane proteins represent a challenge for structural biology. Here we report the first NMR structure determination of a detergent-solubilized seven-helix transmembrane (7TM) protein, the phototaxis receptor sensory rhodopsin II (pSRII) from Natronomonas pharaonis, as a proof of principle. The overall qua...

journal_title：Nature structural & molecular biology

authors： Gautier A,Mott HR,Bostock MJ,Kirkpatrick JP,Nietlispach D

更新日期：2010-06-01 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：:Biogenesis of the photosynthetic enzyme Rubisco, a complex of eight large (RbcL) and eight small (RbcS) subunits, requires assembly chaperones. Here we analyzed the role of Rubisco accumulation factor1 (Raf1), a dimer of ∼40-kDa subunits. We find that Raf1 from Synechococcus elongatus acts downstream of chaperonin-ass...

journal_title：Nature structural & molecular biology

authors： Hauser T,Bhat JY,Miličić G,Wendler P,Hartl FU,Bracher A,Hayer-Hartl M

更新日期：2015-09-01 00:00:00

abstract：:Thymic stromal lymphopoietin (TSLP), a cytokine produced by epithelial cells at barrier surfaces, is pivotal for the development of widespread chronic inflammatory disorders such as asthma and atopic dermatitis. The structure of the mouse TSLP-mediated signaling complex reveals how TSLP establishes extensive interface...

journal_title：Nature structural & molecular biology

authors： Verstraete K,van Schie L,Vyncke L,Bloch Y,Tavernier J,Pauwels E,Peelman F,Savvides SN

更新日期：2014-04-01 00:00:00

abstract：:Inconsistent with prevailing models for nonsense-mediated mRNA decay (NMD) in mammals, the mRNA levels of immunoglobulin-mu (Ig-mu) genes with premature termination codons (PTCs) in the penultimate exon are still reduced by NMD when the intron furthest downstream is deleted. As in yeast, this exon junction complex-ind...

journal_title：Nature structural & molecular biology

authors： Bühler M,Steiner S,Mohn F,Paillusson A,Mühlemann O

更新日期：2006-05-01 00:00:00

abstract：:In eukaryotic cells, many introns are constitutively, rather than alternatively, spliced and therefore do not contribute to isoform diversification. It has remained unclear what functional roles such constitutive splicing provides. To explore this issue, we asked how splicing affects the efficiency with which individu...

journal_title：Nature structural & molecular biology

authors： Ding F,Elowitz MB

更新日期：2019-06-01 00:00:00

abstract：:Gating the ion-permeation pathway in K(+) channels requires conformational changes in activation and inactivation gates. Here we have investigated the structural alterations associated with pH-dependent inactivation gating of the KcsA-Kv1.3 K(+) channel using solid-state NMR spectroscopy in direct reference to electro...

journal_title：Nature structural & molecular biology

authors： Ader C,Schneider R,Hornig S,Velisetty P,Wilson EM,Lange A,Giller K,Ohmert I,Martin-Eauclaire MF,Trauner D,Becker S,Pongs O,Baldus M

更新日期：2008-06-01 00:00:00

abstract：:Noncoding RNAs, mobile elements, and alternative splicing are all critical for the regulation of gene expression. Here we show that a conserved noncoding RNA acquires a new function due to the insertion of a mobile element. We identified a noncoding RNA, termed 5S-OT, which is transcribed from 5S rDNA loci in eukaryot...

journal_title：Nature structural & molecular biology

authors： Hu S,Wang X,Shan G

更新日期：2016-11-01 00:00:00

abstract：:We have determined the solution structure of the complex between an arginine-glycine-rich RGG peptide from the human fragile X mental retardation protein (FMRP) and an in vitro-selected guanine-rich (G-rich) sc1 RNA. The bound RNA forms a newly discovered G-quadruplex separated from the flanking duplex stem by a mixed...

journal_title：Nature structural & molecular biology

authors： Phan AT,Kuryavyi V,Darnell JC,Serganov A,Majumdar A,Ilin S,Raslin T,Polonskaia A,Chen C,Clain D,Darnell RB,Patel DJ

更新日期：2011-06-05 00:00:00

abstract：:Bacteriophage T4 and related viruses have a contractile tail that serves as an efficient mechanical device for infecting bacteria. A three-dimensional cryo-EM reconstruction of the mature T4 tail assembly at 15-A resolution shows the hexagonal dome-shaped baseplate, the extended contractile sheath, the long tail fiber...

journal_title：Nature structural & molecular biology

authors： Kostyuchenko VA,Chipman PR,Leiman PG,Arisaka F,Mesyanzhinov VV,Rossmann MG

更新日期：2005-09-01 00:00:00

abstract：:The RNA polymerase II (RNAPII) C-terminal domain (CTD) heptapeptide repeats (1-YSPTSPS-7) undergo dynamic phosphorylation and dephosphorylation during the transcription cycle to recruit factors that regulate transcription, RNA processing and chromatin modification. We show here that RPRD1A and RPRD1B form homodimers a...

journal_title：Nature structural & molecular biology

authors： Ni Z,Xu C,Guo X,Hunter GO,Kuznetsova OV,Tempel W,Marcon E,Zhong G,Guo H,Kuo WW,Li J,Young P,Olsen JB,Wan C,Loppnau P,El Bakkouri M,Senisterra GA,He H,Huang H,Sidhu SS,Emili A,Murphy S,Mosley AL,Arrowsmith CH

更新日期：2014-08-01 00:00:00

abstract：:Polycomb repressive complex 2 (PRC2) trimethylates histone H3 at lysine 27 to mark genes for repression. We measured the dynamics of PRC2 binding on recombinant chromatin and free DNA at the single-molecule level using total internal reflection fluorescence (TIRF) microscopy. PRC2 preferentially binds free DNA with mu...

journal_title：Nature structural & molecular biology

authors： Choi J,Bachmann AL,Tauscher K,Benda C,Fierz B,Müller J

更新日期：2017-12-01 00:00:00

abstract：:Chromatin is a dynamic structure that must respond to myriad stimuli to regulate access to DNA, and chemical modification of histones is a major means by which the cell modulates nucleosome mobility and turnover. Histone modifications are linked to essentially every cellular process requiring DNA access, including tra...

journal_title：Nature structural & molecular biology

authors： Zentner GE,Henikoff S

更新日期：2013-03-01 00:00:00

abstract：:Mosquito-based malaria transmission-blocking vaccines (mTBVs) target midgut-surface antigens of the Plasmodium parasite's obligate vector, the Anopheles mosquito. The alanyl aminopeptidase N (AnAPN1) is the leading mTBV immunogen; however, AnAPN1's role in Plasmodium infection of the mosquito and how anti-AnAPN1 antib...

journal_title：Nature structural & molecular biology

authors： Atkinson SC,Armistead JS,Mathias DK,Sandeu MM,Tao D,Borhani-Dizaji N,Tarimo BB,Morlais I,Dinglasan RR,Borg NA

更新日期：2015-07-01 00:00:00

abstract：:The GTPase dynamin is essential for numerous vesiculation events including clathrin-mediated endocytosis. Upon GTP hydrolysis, dynamin constricts a lipid bilayer. Previously, a three-dimensional structure of mutant dynamin in the constricted state was determined by helical reconstruction methods. We solved the noncons...

journal_title：Nature structural & molecular biology

authors： Chen YJ,Zhang P,Egelman EH,Hinshaw JE

更新日期：2004-06-01 00:00:00

abstract：:Although R loops can occur at different genomic locations, the factors that determine their formation and frequency remain unclear. Emerging evidence indicates that DNA breaks stimulate DNA-RNA hybrid formation. Here, we discuss the possibility that formation of hybrids may be an inevitable risk of DNA breaks that occ...

journal_title：Nature structural & molecular biology

authors： Aguilera A,Gómez-González B

更新日期：2017-05-04 00:00:00

abstract：:The interaction of autotaxin with its substrates leads to the production of lysophosphatidic acids (LPA), bioactive lipids with an emerging prominent role in inflammation and cancer. Two papers in this issue tell the previously unknown story of autotaxin, from substrate discrimination to highly efficient local deliver...

journal_title：Nature structural & molecular biology

authors： Tabchy A,Tigyi G,Mills GB

更新日期：2011-02-01 00:00:00

abstract：:The iota toxin produced by Clostridium perfringens type E is a binary toxin comprising two independent polypeptides: Ia, an ADP-ribosyltransferase, and Ib, which is involved in cell binding and translocation of Ia across the cell membrane. Here we report cryo-EM structures of the translocation channel Ib-pore and its ...

journal_title：Nature structural & molecular biology

authors： Yamada T,Yoshida T,Kawamoto A,Mitsuoka K,Iwasaki K,Tsuge H

更新日期：2020-03-01 00:00:00

abstract：:Allosteric interactions are typically considered to proceed through a series of discrete changes in bonding interactions that alter the protein conformation. Here we show that allostery can be mediated exclusively by transmitted changes in protein motions. We have characterized the negatively cooperative binding of cA...

journal_title：Nature structural & molecular biology

authors： Popovych N,Sun S,Ebright RH,Kalodimos CG

更新日期：2006-09-01 00:00:00

abstract：:Frizzled planar cell polarity (PCP) signaling regulates cell motility in several tissues, including ommatidial rotation in Drosophila melanogaster. The Nemo kinase (Nlk in vertebrates) has also been linked to cell-motility regulation and ommatidial rotation but its mechanistic role(s) during rotation remain obscure. W...

journal_title：Nature structural & molecular biology

authors： Mirkovic I,Gault WJ,Rahnama M,Jenny A,Gaengel K,Bessette D,Gottardi CJ,Verheyen EM,Mlodzik M

更新日期：2011-06-01 00:00:00

abstract：:An increasing body of evidence indicates that transcription and splicing are coupled, and it is accepted that chromatin organization regulates transcription. Little is known about the cross-talk between chromatin structure and exon-intron architecture. By analysis of genome-wide nucleosome-positioning data sets from h...

journal_title：Nature structural & molecular biology

authors： Schwartz S,Meshorer E,Ast G

更新日期：2009-09-01 00:00:00

abstract：:Lipoteichoic acids (LTAs) are essential cell-wall components in Gram-positive bacteria, including the human pathogen Staphylococcus aureus, contributing to cell adhesion, cell division and antibiotic resistance. Genetic evidence has suggested that LtaA is the flippase that mediates the translocation of the lipid-linke...

journal_title：Nature structural & molecular biology

authors： Zhang B,Liu X,Lambert E,Mas G,Hiller S,Veening JW,Perez C

更新日期：2020-06-01 00:00:00

abstract：:The association of Zika virus (ZIKV) infections with microcephaly has resulted in an ongoing public-health emergency. Here we report the crystal structure of a C-terminal fragment of ZIKV nonstructural protein 1 (NS1), a major host-interaction molecule that functions in flaviviral replication, pathogenesis and immune ...

journal_title：Nature structural & molecular biology

authors： Song H,Qi J,Haywood J,Shi Y,Gao GF

更新日期：2016-05-01 00:00:00

abstract：:P element transposase catalyzes the mobility of P element DNA transposons within the Drosophila genome. P element transposase exhibits several unique properties, including the requirement for a guanosine triphosphate cofactor and the generation of long staggered DNA breaks during transposition. To gain insights into t...

journal_title：Nature structural & molecular biology

authors： Ghanim GE,Kellogg EH,Nogales E,Rio DC

更新日期：2019-11-01 00:00:00

abstract：:Eukaryotic elongation factor-1 (eEF1) is essential for peptide-chain elongation during translation. We report that its gamma subunit (eEF1Bgamma) specifically binds, and bundles, keratin intermediate filaments. Disrupting this interaction depresses translation by approximately 20% and selectively increases 80S ribosom...

journal_title：Nature structural & molecular biology

authors： Kim S,Kellner J,Lee CH,Coulombe PA

更新日期：2007-10-01 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