Regulation of histone acetylation and nucleosome assembly by transcription factor JDP2.

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：: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：:The ≥ 10³⁰ bacteriophages on Earth relentlessly drive adaptive coevolution, forcing the generation of protective mechanisms in their bacterial hosts. One such bacterial phage-resistance system, ToxIN, consists of a protein toxin (ToxN) that is inhibited in vivo by a specific RNA antitoxin (ToxI); however, the mechanis...

journal_title：Nature structural & molecular biology

authors： Blower TR,Pei XY,Short FL,Fineran PC,Humphreys DP,Luisi BF,Salmond GP

更新日期：2011-02-01 00:00:00

abstract：:We investigated co-transcriptional recruitment of pre-mRNA processing factors to human genes. Capping factors associate with paused RNA polymerase II (pol II) at the 5' ends of quiescent genes. They also track throughout actively transcribed genes and accumulate with paused polymerase in the 3' flanking region. The 3'...

journal_title：Nature structural & molecular biology

authors： Glover-Cutter K,Kim S,Espinosa J,Bentley DL

更新日期：2008-01-01 00:00:00

abstract：:Telomeres may regulate human disease by at least two independent mechanisms. First, replicative senescence occurs once short telomeres generate DNA-damage signals that produce a barrier to tumor progression. Second, telomere position effects (TPE) could change gene expression at intermediate telomere lengths in cultur...

journal_title：Nature structural & molecular biology

authors： Stadler G,Rahimov F,King OD,Chen JC,Robin JD,Wagner KR,Shay JW,Emerson CP Jr,Wright WE

更新日期：2013-06-01 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：: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：:Polycomb repressive complex 2 (PRC2) catalyzes methylation on lysine 27 of histone H3 (H3K27) and is required for maintaining transcriptional patterns and cellular identity, but the specification and maintenance of genomic PRC2 binding and H3K27 methylation patterns remain incompletely understood. Epigenetic mechanism...

journal_title：Nature structural & molecular biology

authors： Højfeldt JW,Laugesen A,Willumsen BM,Damhofer H,Hedehus L,Tvardovskiy A,Mohammad F,Jensen ON,Helin K

更新日期：2018-03-01 00:00:00

abstract：:Processing of microRNAs (miRNAs) from their precursors to their biologically active mature forms is regulated during development and cancer. We show that mouse pri- or pre-miR-151 can bind to and compete with mature miR-151-5p and miR-151-3p for binding sites contained within the complementary regions of the E2f6 mRNA...

journal_title：Nature structural & molecular biology

authors： Roy-Chaudhuri B,Valdmanis PN,Zhang Y,Wang Q,Luo QJ,Kay MA

更新日期：2014-09-01 00:00:00

abstract：:DNA ligases finalize DNA replication and repair through DNA nick-sealing reactions that can abort to generate cytotoxic 5'-adenylation DNA damage. Aprataxin (Aptx) catalyzes direct reversal of 5'-adenylate adducts to protect genome integrity. Here the structure of a Schizosaccharomyces pombe Aptx-DNA-AMP-Zn(2+) comple...

journal_title：Nature structural & molecular biology

authors： Tumbale P,Appel CD,Kraehenbuehl R,Robertson PD,Williams JS,Krahn J,Ahel I,Williams RS

更新日期：2011-10-09 00:00:00

abstract：:The potassium channel selectivity filter both discriminates between K(+) and sodium ions and contributes to gating of ion flow. Static structures of conducting (open) and nonconducting (inactivated) conformations of this filter are known; however, the sequence of protein rearrangements that connect these two states is...

journal_title：Nature structural & molecular biology

authors： Wang DT,Hill AP,Mann SA,Tan PS,Vandenberg JI

更新日期：2011-01-01 00:00:00

abstract：:When targeting promoter regions, small interfering RNAs (siRNAs) trigger a previously proposed pathway known as transcriptional gene silencing by promoting heterochromatin formation. Here we show that siRNAs targeting intronic or exonic sequences close to an alternative exon regulate the splicing of that exon. The eff...

journal_title：Nature structural & molecular biology

authors： Alló M,Buggiano V,Fededa JP,Petrillo E,Schor I,de la Mata M,Agirre E,Plass M,Eyras E,Elela SA,Klinck R,Chabot B,Kornblihtt AR

更新日期：2009-07-01 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：:The function of human XPA protein, a key subunit of the nucleotide excision repair pathway, has been examined with site-directed substitutions in its putative DNA-binding cleft. After screening for repair activity in a host-cell reactivation assay, we analyzed mutants by comparing their affinities for different substr...

journal_title：Nature structural & molecular biology

authors： Camenisch U,Dip R,Schumacher SB,Schuler B,Naegeli H

更新日期：2006-03-01 00:00:00

abstract：:Although both homologous recombination (HR) and nonhomologous end joining can repair DNA double-strand breaks (DSBs), the mechanisms by which one of these pathways is chosen over the other remain unclear. Here we show that transcriptionally active chromatin is preferentially repaired by HR. Using chromatin immunopreci...

journal_title：Nature structural & molecular biology

authors： Aymard F,Bugler B,Schmidt CK,Guillou E,Caron P,Briois S,Iacovoni JS,Daburon V,Miller KM,Jackson SP,Legube G

更新日期：2014-04-01 00:00:00

abstract：:Immunoglobulin G4 antibodies exhibit unusual properties with important biological consequences. We report the structure of the human full-length IgG4 S228P anti-PD1 antibody pembrolizumab, solved to 2.3-Å resolution. Pembrolizumab is a compact molecule, consistent with the presence of a short hinge region. The Fc doma...

journal_title：Nature structural & molecular biology

authors： Scapin G,Yang X,Prosise WW,McCoy M,Reichert P,Johnston JM,Kashi RS,Strickland C

更新日期：2015-12-01 00:00:00

abstract：:The antiviral and antiproliferative effects of interferons are mediated in part by the 2'-5' oligoadenylate-RNase L RNA decay pathway. RNase L is an endoribonuclease that requires 2'-5' oligoadenylates to cleave single-stranded RNA. In this report we present evidence demonstrating a role for RNase L in translation. We...

journal_title：Nature structural & molecular biology

authors： Le Roy F,Salehzada T,Bisbal C,Dougherty JP,Peltz SW

更新日期：2005-06-01 00:00:00

abstract：:Maintenance of cell volume against osmotic change is crucial for proper cell functions. Leucine-rich repeat-containing 8 proteins are anion-selective channels that extrude anions to decrease the cell volume on cellular swelling. Here, we present the structure of human leucine-rich repeat-containing 8A, determined by s...

journal_title：Nature structural & molecular biology

authors： Kasuya G,Nakane T,Yokoyama T,Jia Y,Inoue M,Watanabe K,Nakamura R,Nishizawa T,Kusakizako T,Tsutsumi A,Yanagisawa H,Dohmae N,Hattori M,Ichijo H,Yan Z,Kikkawa M,Shirouzu M,Ishitani R,Nureki O

更新日期：2018-09-01 00:00:00

abstract：:The nonsense-mediated mRNA decay (NMD) pathway degrades mRNAs undergoing premature termination of translation. It has been argued that in human cells, NMD is restricted to a pioneer round of translation initiated on mRNAs associated with the cap-binding complex (CBC) and that the exchange of the CBC for the eIF4F tran...

journal_title：Nature structural & molecular biology

authors： Durand S,Lykke-Andersen J

更新日期：2013-06-01 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：: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：:TRIMCyps are primate antiretroviral proteins that potently inhibit HIV replication. Here we describe how rhesus macaque TRIMCyp (RhTC) has evolved to target and restrict HIV-2. We show that the ancestral cyclophilin A (CypA) domain of RhTC targets HIV-2 capsid with weak affinity, which is strongly increased in RhTC by...

journal_title：Nature structural & molecular biology

authors： Price AJ,Marzetta F,Lammers M,Ylinen LM,Schaller T,Wilson SJ,Towers GJ,James LC

更新日期：2009-10-01 00:00:00

abstract：:Spliceosomes catalyze the maturation of precursor mRNAs in organisms ranging from yeast to humans. Their catalytic core comprises three small nuclear RNAs (U2, U5 and U6) involved in substrate positioning and catalysis. It has been postulated, but never shown experimentally, that the U2-U6 complex adopts at least two ...

journal_title：Nature structural & molecular biology

authors： Guo Z,Karunatilaka KS,Rueda D

更新日期：2009-11-01 00:00:00

abstract：:SUMO processing and deconjugation are essential proteolytic activities for nuclear metabolism and cell-cycle progression in yeast and higher eukaryotes. To elucidate the mechanisms used during substrate lysine deconjugation, SUMO isoform processing and SUMO isoform interactions, X-ray structures were determined for a ...

journal_title：Nature structural & molecular biology

authors： Reverter D,Lima CD

更新日期：2006-12-01 00:00:00

abstract：:Integrins are heterodimeric cell-surface adhesion molecules comprising one of 18 possible α-chains and one of eight possible β-chains. They control a range of cell functions in a matrix- and ligand-specific manner. Integrins can be internalized by clathrin-mediated endocytosis (CME) through β subunit-based motifs foun...

journal_title：Nature structural & molecular biology

authors： De Franceschi N,Arjonen A,Elkhatib N,Denessiouk K,Wrobel AG,Wilson TA,Pouwels J,Montagnac G,Owen DJ,Ivaska J

更新日期：2016-02-01 00:00:00

abstract：:Binding of the gp120 envelope (Env) glycoprotein to the CD4 receptor is the first step in the HIV-1 infectious cycle. Although the CD4-binding site has been extensively characterized, the initial receptor interaction has been difficult to study because of major CD4-induced structural rearrangements. Here we used cryog...

journal_title：Nature structural & molecular biology

authors： Liu Q,Acharya P,Dolan MA,Zhang P,Guzzo C,Lu J,Kwon A,Gururani D,Miao H,Bylund T,Chuang GY,Druz A,Zhou T,Rice WJ,Wigge C,Carragher B,Potter CS,Kwong PD,Lusso P

更新日期：2017-04-01 00:00:00

abstract：:RECQL5 is a member of the highly conserved RecQ family of DNA helicases involved in DNA repair. RECQL5 interacts with RNA polymerase II (Pol II) and inhibits transcription of protein-encoding genes by an unknown mechanism. We show that RECQL5 contacts the Rpb1 jaw domain of Pol II at a site that overlaps with the bind...

journal_title：Nature structural & molecular biology

authors： Kassube SA,Jinek M,Fang J,Tsutakawa S,Nogales E

更新日期：2013-07-01 00:00:00

abstract：:Neuronal communication is mediated by Ca(2+)-triggered fusion of transmitter-filled synaptic vesicles with the presynaptic plasma membrane. Synaptotagmin I functions as a Ca(2+) sensor that regulates exocytosis, whereas soluble N-ethylmaleimide-sensitive factor attachment protein (SNAP) receptor (SNARE) proteins in th...

journal_title：Nature structural & molecular biology

authors： Chicka MC,Hui E,Liu H,Chapman ER

更新日期：2008-08-01 00:00:00

abstract：:The WD40-repeat protein WDR5 is a conserved subunit of Trithorax (TRX) histone methyltransferase complexes. WDR5 has been reported to selectively bind dimethylated Lys4 (K4me2) in histone H3 to promote K4 trimethylation by TRX. To elucidate the basis of this binding specificity, we have determined the crystal structur...

journal_title：Nature structural & molecular biology

authors： Couture JF,Collazo E,Trievel RC

更新日期：2006-08-01 00:00:00

abstract：:The eukaryotic DNA replication machinery must traverse every nucleosome in the genome during S phase. As nucleosomes are generally inhibitory to DNA-dependent processes, chromatin structure must undergo extensive reorganization to facilitate DNA synthesis. However, the identity of chromatin-remodeling factors involved...

journal_title：Nature structural & molecular biology

authors： Vincent JA,Kwong TJ,Tsukiyama T

更新日期：2008-05-01 00:00:00