Octaheme tetrathionate reductase is a respiratory enzyme with novel heme ligation.

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：:The discovery of the three eukaryotic nuclear RNA polymerases paved the way for serious biochemical investigations of eukaryotic transcription and the identification of eukaryotic transcription factors. Here we describe this adventure from our vantage point, with a focus on the hunt for factors that regulate elongatio...

journal_title：Nature structural & molecular biology

authors： Conaway RC,Conaway JW

更新日期：2019-09-01 00:00:00

abstract：:Point mutations in cysteine string protein-α (CSPα) cause dominantly inherited adult-onset neuronal ceroid lipofuscinosis (ANCL), a rapidly progressing and lethal neurodegenerative disease with no treatment. ANCL mutations are proposed to trigger CSPα aggregation/oligomerization, but the mechanism of oligomer formatio...

journal_title：Nature structural & molecular biology

authors： Naseri NN,Ergel B,Kharel P,Na Y,Huang Q,Huang R,Dolzhanskaya N,Burré J,Velinov MT,Sharma M

更新日期：2020-02-01 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：: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：: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：:We have tested the specificity and utility of more than 200 antibodies raised against 57 different histone modifications in Drosophila melanogaster, Caenorhabditis elegans and human cells. Although most antibodies performed well, more than 25% failed specificity tests by dot blot or western blot. Among specific antibo...

journal_title：Nature structural & molecular biology

authors： Egelhofer TA,Minoda A,Klugman S,Lee K,Kolasinska-Zwierz P,Alekseyenko AA,Cheung MS,Day DS,Gadel S,Gorchakov AA,Gu T,Kharchenko PV,Kuan S,Latorre I,Linder-Basso D,Luu Y,Ngo Q,Perry M,Rechtsteiner A,Riddle NC,Schwar

更新日期：2011-01-01 00:00:00

abstract：:p53 binds as a tetramer to DNA targets consisting of two decameric half-sites separated by a variable spacer. Here we present high-resolution crystal structures of complexes between p53 core-domain tetramers and DNA targets consisting of contiguous half-sites. In contrast to previously reported p53-DNA complexes that ...

journal_title：Nature structural & molecular biology

authors： Kitayner M,Rozenberg H,Rohs R,Suad O,Rabinovich D,Honig B,Shakked Z

更新日期：2010-04-01 00:00:00

abstract：: ...

journal_title：Nature structural & molecular biology

authors： Horowitz S,Salmon L,Koldewey P,Ahlstrom LS,Martin R,Quan S,Afonine PV,van den Bedem H,Wang L,Xu Q,Trievel RC,Brooks CL 3rd,Bardwell JCA

更新日期：2018-11-01 00:00:00

abstract：:Histones have two structurally and functionally distinct domains: globular domains forming the nucleosomal core around which DNA is wrapped and unstructured tails protruding from the nucleosomal core. Whereas post-translational modifications (PTMs) in histone tails are well studied, much less is currently known about ...

journal_title：Nature structural & molecular biology

authors： Tropberger P,Schneider R

更新日期：2013-06-01 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：:The Mre11-Rad50-NBS1 (MRN) complex has many roles in response to DNA double-strand breaks, but its functions in repair by nonhomologous end joining (NHEJ) pathways are poorly understood. We have investigated requirements for MRN in class switch recombination (CSR), a programmed DNA rearrangement in B lymphocytes that ...

journal_title：Nature structural & molecular biology

authors： Dinkelmann M,Spehalski E,Stoneham T,Buis J,Wu Y,Sekiguchi JM,Ferguson DO

更新日期：2009-08-01 00:00:00

abstract：:Previous studies have linked the C-terminal domain (CTD) of RNA polymerase II (pol II) with cotranscriptional precursor messenger RNA processing, but little is known about the CTD's function in regulating alternative splicing. We have examined this function using alpha-amanitin-resistant pol II CTD mutants and fibrone...

journal_title：Nature structural & molecular biology

authors： de la Mata M,Kornblihtt AR

更新日期：2006-11-01 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：:The regulated exocytotic release of neurotransmitter and hormones is accomplished by a complex protein machinery whose core consists of SNARE proteins and the calcium sensor synaptotagmin-1. We propose a mechanism in which the lipid membrane is intimately involved in coupling calcium sensing to release. We found that ...

journal_title：Nature structural & molecular biology

authors： Kiessling V,Kreutzberger AJB,Liang B,Nyenhuis SB,Seelheim P,Castle JD,Cafiso DS,Tamm LK

更新日期：2018-10-01 00:00:00

abstract：:The highly contagious measles virus infects millions of individuals worldwide, causing serious disease in children of developing countries. Infection is initiated by attachment of the measles virus hemagglutinin (MV-H), a glycoprotein anchored to the virus envelope, to the host cell receptors CD46 or signaling lymphoc...

journal_title：Nature structural & molecular biology

authors： Santiago C,Celma ML,Stehle T,Casasnovas JM

更新日期：2010-01-01 00:00:00

abstract：:Ribosome-associated quality control (RQC) represents a rescue pathway in eukaryotic cells that is triggered upon translational stalling. Collided ribosomes are recognized for subsequent dissociation followed by degradation of nascent peptides. However, endogenous RQC-inducing sequences and the mechanism underlying the...

journal_title：Nature structural & molecular biology

authors： Matsuo Y,Tesina P,Nakajima S,Mizuno M,Endo A,Buschauer R,Cheng J,Shounai O,Ikeuchi K,Saeki Y,Becker T,Beckmann R,Inada T

更新日期：2020-04-01 00:00:00

abstract：:We developed an experimental system for studying genome instability caused by fragile X (CGG)n repeats in mammalian cells. Our method uses a selectable cassette carrying the HyTK gene under the control of the FMR1 promoter with (CGG)n repeats in its 5' UTR, which is integrated into the unique RL5 site in murine erythr...

journal_title：Nature structural & molecular biology

authors： Kononenko AV,Ebersole T,Vasquez KM,Mirkin SM

更新日期：2018-08-01 00:00:00

abstract：:To catalyze pre-mRNA splicing, U6 small nuclear RNA positions two metals that interact directly with the scissile phosphates. U6 metal ligands correspond stereospecifically to metal ligands within the catalytic domain V of a group II self-splicing intron. Domain V ligands are organized by base-triple interactions, whi...

journal_title：Nature structural & molecular biology

authors： Fica SM,Mefford MA,Piccirilli JA,Staley JP

更新日期：2014-05-01 00:00:00

abstract：:The cyclic enzymatic removal and ligation of the C-terminal tyrosine of α-tubulin generates heterogeneous microtubules and affects their functions. Here we describe the crystal and solution structure of the tubulin carboxypeptidase complex between vasohibin (VASH1) and small vasohibin-binding protein (SVBP), which fol...

journal_title：Nature structural & molecular biology

authors： Adamopoulos A,Landskron L,Heidebrecht T,Tsakou F,Bleijerveld OB,Altelaar M,Nieuwenhuis J,Celie PHN,Brummelkamp TR,Perrakis A

更新日期：2019-07-01 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：: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：:To determine which genomic features promote homologous recombination, we created a genome-wide map of gene targeting sites. We used an adeno-associated virus vector to target identical loci introduced as transcriptionally active retroviral vectors. A comparison of ~2,000 targeted and untargeted sites showed that targe...

journal_title：Nature structural & molecular biology

authors： Deyle DR,Hansen RS,Cornea AM,Li LB,Burt AA,Alexander IE,Sandstrom RS,Stamatoyannopoulos JA,Wei CL,Russell DW

更新日期：2014-11-01 00:00:00

abstract：:Chaperones increase the folding yields of soluble proteins by suppressing misfolding and aggregation, but how they modulate the folding of integral membrane proteins is not well understood. Here we use single-molecule force spectroscopy and NMR spectroscopy to observe the periplasmic holdase chaperones SurA and Skp sh...

journal_title：Nature structural & molecular biology

authors： Thoma J,Burmann BM,Hiller S,Müller DJ

更新日期：2015-10-01 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：:The Saccharomyces cerevisiae proteasome comprises a 19-subunit regulatory particle and a 28-subunit core particle. To be degraded, substrates must cross the core particle-regulatory particle interface, a site for complex conformational changes and regulatory events. This interface includes two aligned heteromeric ring...

journal_title：Nature structural & molecular biology

authors： Tian G,Park S,Lee MJ,Huck B,McAllister F,Hill CP,Gygi SP,Finley D

更新日期：2011-10-30 00:00:00

abstract：:The structure of the Sortilin ectodomain in complex with neurotensin has been determined at 2-A resolution, revealing that the C-terminal part of neurotensin binds in the tunnel of a ten-bladed beta-propeller domain. Binding competition studies suggest that additional binding sites, for example, for the prodomain of n...

journal_title：Nature structural & molecular biology

authors： Quistgaard EM,Madsen P,Grøftehauge MK,Nissen P,Petersen CM,Thirup SS

更新日期：2009-01-01 00:00:00

abstract：:Tripeptidyl peptidase II (TPP II) is the largest known eukaryotic protease (6 MDa). It is believed to act downstream of the 26S proteasome, cleaving tripeptides from the N termini of longer peptides, and it is implicated in numerous cellular processes. Here we report the structure of Drosophila TPP II determined by a ...

journal_title：Nature structural & molecular biology

authors： Chuang CK,Rockel B,Seyit G,Walian PJ,Schönegge AM,Peters J,Zwart PH,Baumeister W,Jap BK

更新日期：2010-08-01 00:00:00

abstract：:In budding yeast, DNA damage in G1 activates a Rad9-dependent checkpoint that targets the cyclin-dependent kinase (CDK) Cdc28 to delay G1 exit. After a transient arrest, cells may enter S phase before completing DNA repair. We used genetic analysis to identify the stress-responsive CDK Pho85, the cyclin Pho80 and the ...

journal_title：Nature structural & molecular biology

authors： Wysocki R,Javaheri A,Kristjansdottir K,Sha F,Kron SJ

更新日期：2006-10-01 00:00:00

abstract：:Gene expression is inherently stochastic; precise gene regulation by transcription factors is important for cell-fate determination. Many transcription factors regulate their own expression, suggesting that autoregulation counters intrinsic stochasticity in gene expression. Using a new strategy, cotranslational activa...

journal_title：Nature structural & molecular biology

authors： Hensel Z,Feng H,Han B,Hatem C,Wang J,Xiao J

更新日期：2012-08-01 00:00:00