Nucleosome mobilization by ISW2 requires the concerted action of the ATPase and SLIDE domains.

abstract：:The endosomal sorting complex required for transport (ESCRT) machinery, including ESCRT-III, localizes to the midbody and participates in the membrane-abscission step of cytokinesis. The ESCRT-III protein charged multivesicular body protein 1B (CHMP1B) is required for recruitment of the MIT domain-containing protein s...

journal_title：Nature structural & molecular biology

authors： Yang D,Rismanchi N,Renvoisé B,Lippincott-Schwartz J,Blackstone C,Hurley JH

更新日期：2008-12-01 00:00:00

abstract：:Agents that activate expression of specific genes to probe cellular pathways or alleviate disease would go beyond existing approaches for controlling gene expression. Duplex RNAs complementary to promoter regions can repress or activate gene expression. The mechanism of these promoter-directed antigene RNAs (agRNAs) h...

journal_title：Nature structural & molecular biology

authors： Schwartz JC,Younger ST,Nguyen NB,Hardy DB,Monia BP,Corey DR,Janowski BA

更新日期：2008-08-01 00:00:00

abstract：:In eukaryotes, the Cdt1-bound replicative helicase core MCM2-7 is loaded onto DNA by the ORC-Cdc6 ATPase to form a prereplicative complex (pre-RC) with an MCM2-7 double hexamer encircling DNA. Using purified components in the presence of ATP-γS, we have captured in vitro an intermediate in pre-RC assembly that contain...

journal_title：Nature structural & molecular biology

authors： Sun J,Evrin C,Samel SA,Fernández-Cid A,Riera A,Kawakami H,Stillman B,Speck C,Li H

更新日期：2013-08-01 00:00:00

abstract：:Celiac disease is a T cell-mediated disease induced by dietary gluten, a component of which is gliadin. 95% of individuals with celiac disease carry the HLA (human leukocyte antigen)-DQ2 locus. Here we determined the T-cell receptor (TCR) usage and fine specificity of patient-derived T-cell clones specific for two epi...

journal_title：Nature structural & molecular biology

authors： Petersen J,Montserrat V,Mujico JR,Loh KL,Beringer DX,van Lummel M,Thompson A,Mearin ML,Schweizer J,Kooy-Winkelaar Y,van Bergen J,Drijfhout JW,Kan WT,La Gruta NL,Anderson RP,Reid HH,Koning F,Rossjohn J

更新日期：2014-05-01 00:00:00

abstract：:Suppressing cellular signal transducers of transcription 2 (STAT2) is a common strategy that viruses use to establish infections, yet the detailed mechanism remains elusive, owing to a lack of structural information about the viral-cellular complex involved. Here, we report the cryo-EM and crystal structures of human ...

journal_title：Nature structural & molecular biology

authors： Wang B,Thurmond S,Zhou K,Sánchez-Aparicio MT,Fang J,Lu J,Gao L,Ren W,Cui Y,Veit EC,Hong H,Evans MJ,O'Leary SE,García-Sastre A,Zhou ZH,Hai R,Song J

更新日期：2020-10-01 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：:The Middle East respiratory syndrome coronavirus (MERS-CoV) causes severe and often lethal respiratory illness in humans, and no vaccines or specific treatments are available. Infections are initiated via binding of the MERS-CoV spike (S) glycoprotein to sialosides and dipeptidyl-peptidase 4 (the attachment and entry ...

journal_title：Nature structural & molecular biology

authors： Park YJ,Walls AC,Wang Z,Sauer MM,Li W,Tortorici MA,Bosch BJ,DiMaio F,Veesler D

更新日期：2019-12-01 00:00:00

abstract：:During transcription, RNA polymerase II (Pol II) associates with the conserved elongation factor DSIF. DSIF renders the elongation complex stable and functions during Pol II pausing and RNA processing. We combined cryo-EM and X-ray crystallography to determine the structure of the mammalian Pol II-DSIF elongation comp...

journal_title：Nature structural & molecular biology

authors： Bernecky C,Plitzko JM,Cramer P

更新日期：2017-10-01 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：: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：:The WAVE regulatory complex (WRC) transmits information from the Rac GTPase to the actin nucleator Arp2/3 complex. We have reconstituted recombinant human and Drosophila WRC in several forms and shown that they are inactive toward Arp2/3 complex but can be activated by Rac in a nucleotide-dependent fashion. Our observ...

journal_title：Nature structural & molecular biology

authors： Ismail AM,Padrick SB,Chen B,Umetani J,Rosen MK

更新日期：2009-05-01 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：: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：:Coupling between transcription and RNA processing is a key gene regulatory mechanism. Here we use chromatin immunoprecipitation to detect transcription-dependent accumulation of the precursor mRNA (pre-mRNA) splicing factors hnRNP A1, U2AF65 and U1 and U5 snRNPs on the intron-containing human FOS gene. These factors w...

journal_title：Nature structural & molecular biology

authors： Listerman I,Sapra AK,Neugebauer KM

更新日期：2006-09-01 00:00:00

abstract：:Messenger RNAs produced by splicing are translated more efficiently than those produced from similar intronless precursor mRNAs (pre-mRNAs). The exon-junction complex (EJC) probably mediates this enhancement; however, the specific link between the EJC and the translation machinery has not been identified. The EJC prot...

journal_title：Nature structural & molecular biology

authors： Diem MD,Chan CC,Younis I,Dreyfuss G

更新日期：2007-12-01 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：: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：: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：: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 AAA+ ATPase Vps4 disassembles ESCRT-III and is essential for HIV-1 budding and other pathways. Vps4 is a paradigmatic member of a class of hexameric AAA+ ATPases that disassemble protein complexes without degradation. To distinguish between local displacement versus global unfolding mechanisms for complex disassem...

journal_title：Nature structural & molecular biology

authors： Yang B,Stjepanovic G,Shen Q,Martin A,Hurley JH

更新日期：2015-06-01 00:00:00

abstract：:MCL-1 is an antiapoptotic BCL-2 family protein that has emerged as a major pathogenic factor in human cancer. Like BCL-2, MCL-1 bears a surface groove whose function is to sequester the BH3 killer domains of proapoptotic BCL-2 family members, a mechanism harnessed by cancer cells to establish formidable apoptotic bloc...

journal_title：Nature structural & molecular biology

authors： Lee S,Wales TE,Escudero S,Cohen DT,Luccarelli J,Gallagher CG,Cohen NA,Huhn AJ,Bird GH,Engen JR,Walensky LD

更新日期：2016-06-01 00:00:00

abstract：:Microtubule-severing enzymes katanin, spastin and fidgetin are AAA ATPases important for the biogenesis and maintenance of complex microtubule arrays in axons, spindles and cilia. Because of a lack of known 3D structures for these enzymes, their mechanism of action has remained poorly understood. Here we report the X-...

journal_title：Nature structural & molecular biology

authors： Zehr E,Szyk A,Piszczek G,Szczesna E,Zuo X,Roll-Mecak A

更新日期：2017-09-01 00:00:00

abstract：:The tandem zinc finger (TZF) domain of the protein TIS11d binds to the class II AU-rich element (ARE) in the 3' untranslated region (3' UTR) of target mRNAs and promotes their deadenylation and degradation. The NMR structure of the TIS11d TZF domain bound to the RNA sequence 5'-UUAUUUAUU-3' comprises a pair of novel C...

journal_title：Nature structural & molecular biology

authors： Hudson BP,Martinez-Yamout MA,Dyson HJ,Wright PE

更新日期：2004-03-01 00:00:00

abstract：:Domain 5 (D5) is the central core of group II intron ribozymes. Many base and backbone substituents of this highly conserved hairpin participate in catalysis and are crucial for binding to other intron domains. We report the solution structures of the 34-nucleotide D5 hairpin from the group II intron ai5 gamma in the ...

journal_title：Nature structural & molecular biology

authors： Sigel RK,Sashital DG,Abramovitz DL,Palmer AG,Butcher SE,Pyle AM

更新日期：2004-02-01 00:00:00

abstract：:Chaperones, a group of proteins that assist the folding of other proteins, seem to work in a coordinated manner. Two major chaperone families are heat-shock protein families Hsp60 and Hsp70. Here we show for the first time the formation of a stable complex between chaperonin-containing TCP-1 (CCT) and Hsc70, two eukar...

journal_title：Nature structural & molecular biology

authors： Cuéllar J,Martín-Benito J,Scheres SH,Sousa R,Moro F,López-Viñas E,Gómez-Puertas P,Muga A,Carrascosa JL,Valpuesta JM

更新日期：2008-08-01 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：:The spliceosome is thought to undergo a conformational change between the two catalytic steps of precursor messenger RNA splicing, although the specific events in this transition are poorly understood. We previously proposed a two-state model of splicing in which the conformations required for the first and second ste...

journal_title：Nature structural & molecular biology

authors： Liu L,Query CC,Konarska MM

更新日期：2007-06-01 00:00:00

abstract：:We investigated whether a continuous transcript is necessary for co-transcriptional pre-mRNA processing. Cutting an intron with the fast-cleaving hepatitis delta ribozyme, but not the slower hammerhead, inhibited splicing. Therefore, exon tethering to RNA polymerase II (Pol II) cannot rescue splicing of a transcript s...

journal_title：Nature structural & molecular biology

authors： Fong N,Ohman M,Bentley DL

更新日期：2009-09-01 00:00:00

abstract：:In bacteria, incorporation of selenocysteine, the 21(st) amino acid, into proteins requires elongation factor SelB, which has the unusual property of binding to both transfer RNA (tRNA) and mRNA. SelB binds to an mRNA hairpin formed by the selenocysteine insertion sequence (SECIS) with extremely high specificity, the ...

journal_title：Nature structural & molecular biology

authors： Yoshizawa S,Rasubala L,Ose T,Kohda D,Fourmy D,Maenaka K

更新日期：2005-02-01 00:00:00

abstract：:In mammalian cells, nonsense-mediated messenger RNA decay (NMD) targets newly synthesized nonsense-containing mRNA bound by the cap-binding-protein heterodimer CBP80-CBP20 and at least one exon-junction complex (EJC). An EJC includes the NMD factors Upf3 or Upf3X and Upf2, and Upf2 recruits Upf1. Once this pioneer tra...

journal_title：Nature structural & molecular biology

authors： Hosoda N,Kim YK,Lejeune F,Maquat LE

更新日期：2005-10-01 00:00:00