Crystal structures of T. brucei MRP1/MRP2 guide-RNA binding complex reveal RNA matchmaking mechanism.

Abstract:

:The mitochondrial RNA binding proteins MRP1 and MRP2 form a heteromeric complex that functions in kinetoplastid RNA editing. In this process, MRP1/MRP2 serves as a matchmaker by binding to guide RNAs and facilitating their hybridization with cognate preedited mRNAs. To understand the mechanism by which this complex performs RNA matchmaking, we determined structures of Trypanosoma brucei apoMRP1/MRP2 and an MRP1/MRP2-gRNA complex. The structures show that MRP1/MRP2 is a heterotetramer and, despite little sequence homology, each MRP subunit exhibits the same "Whirly" transcription-factor fold. The gRNA molecule binds to the highly basic beta sheet surface of the MRP complex via nonspecific, electrostatic contacts. Strikingly, while the gRNA stem/loop II base is anchored to the basic surface, stem/loop I (the anchor sequence) is unfolded and its bases exposed to solvent. Thus, MRP1/MRP2 acts as an RNA matchmaker by stabilizing the RNA molecule in an unfolded conformation suitable for RNA-RNA hybridization.

journal_name

Cell

journal_title

Cell

authors

Schumacher MA,Karamooz E,Zíková A,Trantírek L,Lukes J

doi

10.1016/j.cell.2006.06.047

subject

Has Abstract

pub_date

2006-08-25 00:00:00

pages

701-11

issue

4

eissn

0092-8674

issn

1097-4172

pii

S0092-8674(06)00964-0

journal_volume

126

pub_type

杂志文章

相关文献

CELL文献大全
  • An Autonomous Oscillation Times and Executes Centriole Biogenesis.

    abstract::The accurate timing and execution of organelle biogenesis is crucial for cell physiology. Centriole biogenesis is regulated by Polo-like kinase 4 (Plk4) and initiates in S-phase when a daughter centriole grows from the side of a pre-existing mother. Here, we show that a Plk4 oscillation at the base of the growing cent...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/j.cell.2020.05.018

    authors: Aydogan MG,Steinacker TL,Mofatteh M,Wilmott ZM,Zhou FY,Gartenmann L,Wainman A,Saurya S,Novak ZA,Wong SS,Goriely A,Boemo MA,Raff JW

    更新日期:2020-06-25 00:00:00

  • Aire, master of many trades.

    abstract::In thymic epithelial cells, the protein Aire (autoimmune regulator) induces the ectopic expression of hundreds of peripheral tissue antigens, thus enlarging the repertoire of antigens available for the induction of central T cell tolerance. By analyzing Aire's interacting partners, Abramson et al. (2010) shed new ligh...

    journal_title:Cell

    pub_type: 评论,杂志文章

    doi:10.1016/j.cell.2009.12.036

    authors: Kyewski B,Peterson P

    更新日期:2010-01-08 00:00:00

  • Molecular analysis of system N suggests novel physiological roles in nitrogen metabolism and synaptic transmission.

    abstract::The amino acid glutamine has a central role in nitrogen metabolism. Although the molecular mechanisms responsible for its transport across cell membranes remain poorly understood, classical amino acid transport system N appears particularly important. Using intracellular pH measurements, we have now identified an orph...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/s0092-8674(00)81674-8

    authors: Chaudhry FA,Reimer RJ,Krizaj D,Barber D,Storm-Mathisen J,Copenhagen DR,Edwards RH

    更新日期:1999-12-23 00:00:00

  • Oncogenic activity of the c-Myc protein requires dimerization with Max.

    abstract::c-Myc (Myc) and Max proteins dimerize and bind DNA through basic-helix-loop-helix-leucine zipper motifs (b-HLH-LZ). Using a genetic approach, we demonstrate that binding to Max is essential for Myc transforming activity and that Myc homodimers are inactive. Mutants of Myc and Max that bind efficiently to each other bu...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/0092-8674(93)90663-b

    authors: Amati B,Brooks MW,Levy N,Littlewood TD,Evan GI,Land H

    更新日期:1993-01-29 00:00:00

  • Comparative Flavivirus-Host Protein Interaction Mapping Reveals Mechanisms of Dengue and Zika Virus Pathogenesis.

    abstract::Mosquito-borne flaviviruses, including dengue virus (DENV) and Zika virus (ZIKV), are a growing public health concern. Systems-level analysis of how flaviviruses hijack cellular processes through virus-host protein-protein interactions (PPIs) provides information about their replication and pathogenic mechanisms. We u...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/j.cell.2018.11.028

    authors: Shah PS,Link N,Jang GM,Sharp PP,Zhu T,Swaney DL,Johnson JR,Von Dollen J,Ramage HR,Satkamp L,Newton B,Hüttenhain R,Petit MJ,Baum T,Everitt A,Laufman O,Tassetto M,Shales M,Stevenson E,Iglesias GN,Shokat L,Tripathi

    更新日期:2018-12-13 00:00:00

  • Analysis of a mutant strain of human fibroblasts with a defect in the internalization of receptor-bound low density lipoprotein.

    abstract::A new type of mutation that affects a discrete step in the process of adsorptive endocytosis has been identified in one of 22 strains of fibroblasts derived from subjects with the clinical phenotype of homozygous familial hypercholesterolemia (FH). In this unique mutant strain (derived from subject J.D.), the cell sur...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/0092-8674(76)90130-6

    authors: Brown MS,Goldstein JL

    更新日期:1976-12-01 00:00:00

  • Regulatory nascent peptides in the ribosomal tunnel.

    abstract::Accumulating evidence for nascent-peptide-mediated regulation of translation suggests that all nascent peptides do not necessarily interact with the ribosome in a similar manner. Recent studies have helped to elucidate the exit route of the nascent chain and its interactions with the ribosome. ...

    journal_title:Cell

    pub_type: 杂志文章,评审

    doi:10.1016/s0092-8674(02)00669-4

    authors: Tenson T,Ehrenberg M

    更新日期:2002-03-08 00:00:00

  • Abelson leukemia virus induces lymphoid and erythroid colonies in infected fetal cell cultures.

    abstract::An examination of Abelson murine leukemia virus (A-MuL V)-hematopoietic cell interaction in cultures of fetal tissues reveals that A-MuLV can stimulate the formation of two different types of colonies. One type of colony is white and composed of A-MuLV-transformed lymphoid cells that can develop into established cell ...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/0092-8674(81)90035-0

    authors: Waneck GL,Rosenberg N

    更新日期:1981-10-01 00:00:00

  • A Drosophila neurexin is required for septate junction and blood-nerve barrier formation and function.

    abstract::Septate and tight junctions are thought to seal neighboring cells together and to function as barriers between epithelial cells. We have characterized a novel member of the neurexin family, Neurexin IV (NRX), which is localized to septate junctions (SJs) of epithelial and glial cells. NRX is a transmembrane protein wi...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/s0092-8674(00)81800-0

    authors: Baumgartner S,Littleton JT,Broadie K,Bhat MA,Harbecke R,Lengyel JA,Chiquet-Ehrismann R,Prokop A,Bellen HJ

    更新日期:1996-12-13 00:00:00

  • Conservative assembly and segregation of nucleosomal histones.

    abstract::The assembly of new histones into nucleosomes and the segregation of old histones during replication were investigated using a density gradient, sedimentation equilibrium analysis of histones labeled in vivo with dense amino acids. After a 1 hr pulse of dense amino acids and 3H-lysine, nucleosomes were isolated from c...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/0092-8674(77)90282-3

    authors: Leffak IM,Grainger R,Weintraub H

    更新日期:1977-11-01 00:00:00

  • Embryonic stem cell self-renewal, analyzed.

    abstract::Maintaining the pluripotency of mouse ES cells requires both LIF (leukemia inhibitory factor) and unknown factors in serum. The paper from Ying et al. in this issue of Cell shows that BMP (bone morphogenetic protein) can replace serum in this capacity, defining molecular requirements for ES cell self-renewal. ...

    journal_title:Cell

    pub_type: 评论,杂志文章

    doi:10.1016/s0092-8674(03)00853-5

    authors: Temple S

    更新日期:2003-10-31 00:00:00

  • Structure of the hemagglutinin precursor cleavage site, a determinant of influenza pathogenicity and the origin of the labile conformation.

    abstract::The membrane fusion potential of influenza HA, like many viral membrane-fusion glycoproteins, is generated by proteolytic cleavage of a biosynthetic precursor. The three-dimensional structure of ectodomain of the precursor HA0 has been determined and compared with that of cleaved HA. The cleavage site is a prominent s...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/s0092-8674(00)81771-7

    authors: Chen J,Lee KH,Steinhauer DA,Stevens DJ,Skehel JJ,Wiley DC

    更新日期:1998-10-30 00:00:00

  • Absence epilepsy in tottering mutant mice is associated with calcium channel defects.

    abstract::Mutations at the mouse tottering (tg) locus cause a delayed-onset, recessive neurological disorder resulting in ataxia, motor seizures, and behavioral absence seizures resembling petit mal epilepsy in humans. A more severe allele, leaner (tg(la)), also shows a slow, selective degeneration of cerebellar neurons. By pos...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/s0092-8674(00)81381-1

    authors: Fletcher CF,Lutz CM,O'Sullivan TN,Shaughnessy JD Jr,Hawkes R,Frankel WN,Copeland NG,Jenkins NA

    更新日期:1996-11-15 00:00:00

  • FoxOs in tumor suppression and stem cell maintenance.

    abstract::The FoxO transcription factors have been implicated in many processes including tumor suppression and cell death. In this issue, two groups now report on mice that conditionally lack the three predominant FoxO transcription factors. Demonstrate that FoxOs are critical for the long-term maintenance of hematopoietic ste...

    journal_title:Cell

    pub_type: 评论,杂志文章,评审

    doi:10.1016/j.cell.2007.01.009

    authors: Arden KC

    更新日期:2007-01-26 00:00:00

  • FGF and Shh signals control dopaminergic and serotonergic cell fate in the anterior neural plate.

    abstract::During development, distinct classes of neurons are specified in precise locations along the dorso-ventral and anterior-posterior axes of the neural tube. We provide evidence that intersections of Shh, which is expressed along the ventral neural tube, and FGF8, which is locally produced at the mid/hindbrain boundary a...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/s0092-8674(00)81437-3

    authors: Ye W,Shimamura K,Rubenstein JL,Hynes MA,Rosenthal A

    更新日期:1998-05-29 00:00:00

  • A human interactome in three quantitative dimensions organized by stoichiometries and abundances.

    abstract::The organization of a cell emerges from the interactions in protein networks. The interactome is critically dependent on the strengths of interactions and the cellular abundances of the connected proteins, both of which span orders of magnitude. However, these aspects have not yet been analyzed globally. Here, we have...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/j.cell.2015.09.053

    authors: Hein MY,Hubner NC,Poser I,Cox J,Nagaraj N,Toyoda Y,Gak IA,Weisswange I,Mansfeld J,Buchholz F,Hyman AA,Mann M

    更新日期:2015-10-22 00:00:00

  • A naturally occurring truncated form of FosB that inhibits Fos/Jun transcriptional activity.

    abstract::Fos and Jun transcription factors are induced by a variety of extracellular signaling agents. We describe here an unusual member of the Fos family that is also induced, namely, a truncated form of FosB (delta FosB) missing the C-terminal 101 amino acids of FosB. delta FosB retains the dimerization and DNA-binding acti...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/0092-8674(91)90504-r

    authors: Nakabeppu Y,Nathans D

    更新日期:1991-02-22 00:00:00

  • Ump1p is required for proper maturation of the 20S proteasome and becomes its substrate upon completion of the assembly.

    abstract::We report the discovery of a short-lived chaperone that is required for the correct maturation of the eukaryotic 20S proteasome and is destroyed at a specific stage of the assembly process. The S. cerevisiae Ump1p protein is a component of proteasome precursor complexes containing unprocessed beta subunits but is not ...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/s0092-8674(00)80942-3

    authors: Ramos PC,Höckendorff J,Johnson ES,Varshavsky A,Dohmen RJ

    更新日期:1998-02-20 00:00:00

  • Torso receptor activity is regulated by a diffusible ligand produced at the extracellular terminal regions of the Drosophila egg.

    abstract::torso encodes a receptor tyrosine kinase (torso) required for anterior and posterior terminal development of the Drosophila embryo. Injecting eggs with in vitro synthesized torso mRNAs revealed that torso activation is governed by an extracellular molecule, presumably the torso ligand, produced at terminal regions of ...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/0092-8674(92)90394-r

    authors: Sprenger F,Nüsslein-Volhard C

    更新日期:1992-12-11 00:00:00

  • The Implication of Early Chromatin Changes in X Chromosome Inactivation.

    abstract::During development, the precise relationships between transcription and chromatin modifications often remain unclear. We use the X chromosome inactivation (XCI) paradigm to explore the implication of chromatin changes in gene silencing. Using female mouse embryonic stem cells, we initiate XCI by inducing Xist and then...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/j.cell.2018.11.041

    authors: Żylicz JJ,Bousard A,Žumer K,Dossin F,Mohammad E,da Rocha ST,Schwalb B,Syx L,Dingli F,Loew D,Cramer P,Heard E

    更新日期:2019-01-10 00:00:00

  • Cellular uptake of the tat protein from human immunodeficiency virus.

    abstract::While developing an assay to measure the activity of the tat protein from human immunodeficiency virus 1 (HIV-1), we discovered that the purified protein could be taken up by cells growing in tissue culture and subsequently trans-activate the viral promoter. Trans-activation is dramatically increased by a variety of l...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/0092-8674(88)90263-2

    authors: Frankel AD,Pabo CO

    更新日期:1988-12-23 00:00:00

  • Transforming growth factor-beta controls receptor levels for epidermal growth factor in NRK fibroblasts.

    abstract::NRK fibroblasts exposed to transforming growth factor-beta (TGF-beta) show increased binding of radiolabeled epidermal growth factor (EGF) relative to untreated cells. The binding of another growth factor, rat insulin-like growth factor-II, is unaffected. The increase in EGF binding induced by TGF-beta is not due to i...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/0092-8674(84)90071-0

    authors: Assoian RK,Frolik CA,Roberts AB,Miller DM,Sporn MB

    更新日期:1984-01-01 00:00:00

  • Myogenesis in primary cell cultures from Drosophila melanogaster: protein synthesis and actin heterogeneity during development.

    abstract::Muscle cell cultures from Drosophila melanogaster were obtained by plating dissociated gastrula stage embryo cells on protamine-treated culture dishes. They myogenic cells in these cultures fuse to form multinucleated pulsating cells by 15 hr after plating. An analysis of protein synthesis during myogenesis in these c...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/0092-8674(78)90210-6

    authors: Storti RV,Horovitch SJ,Scott MP,Rich A,Pardue ML

    更新日期:1978-04-01 00:00:00

  • A Genome-wide CRISPR Screen in Primary Immune Cells to Dissect Regulatory Networks.

    abstract::Finding the components of cellular circuits and determining their functions systematically remains a major challenge in mammalian cells. Here, we introduced genome-wide pooled CRISPR-Cas9 libraries into dendritic cells (DCs) to identify genes that control the induction of tumor necrosis factor (Tnf) by bacterial lipop...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/j.cell.2015.06.059

    authors: Parnas O,Jovanovic M,Eisenhaure TM,Herbst RH,Dixit A,Ye CJ,Przybylski D,Platt RJ,Tirosh I,Sanjana NE,Shalem O,Satija R,Raychowdhury R,Mertins P,Carr SA,Zhang F,Hacohen N,Regev A

    更新日期:2015-07-30 00:00:00

  • Genome sequencing reveals loci under artificial selection that underlie disease phenotypes in the laboratory rat.

    abstract::Large numbers of inbred laboratory rat strains have been developed for a range of complex disease phenotypes. To gain insights into the evolutionary pressures underlying selection for these phenotypes, we sequenced the genomes of 27 rat strains, including 11 models of hypertension, diabetes, and insulin resistance, al...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/j.cell.2013.06.040

    authors: Atanur SS,Diaz AG,Maratou K,Sarkis A,Rotival M,Game L,Tschannen MR,Kaisaki PJ,Otto GW,Ma MC,Keane TM,Hummel O,Saar K,Chen W,Guryev V,Gopalakrishnan K,Garrett MR,Joe B,Citterio L,Bianchi G,McBride M,Dominiczak A

    更新日期:2013-08-01 00:00:00

  • Another view of the selective model of thymocyte selection.

    abstract::Thymocyte commitment to the CD4 helper versus CD8 cytotoxic lineage has not been satisfactorily established. Two models have been elaborated: one based on instruction, the other on selection. Most previous results support the instructive model, but our comparison of thymocyte differentiation in MHC class II-, class I-...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/0092-8674(93)90225-f

    authors: Chan SH,Cosgrove D,Waltzinger C,Benoist C,Mathis D

    更新日期:1993-04-23 00:00:00

  • Exposing secrets of telomere-telomerase encounters.

    abstract::In order for telomeres to remain functional and stable, they must rendezvous with the enzyme telomerase in a productive manner. In human cells, this interaction is mediated by Cajal bodies as matchmaker, and now Zhong et al. reveal molecular determinants that establish good chemistry between the two partners. ...

    journal_title:Cell

    pub_type: 评论,杂志文章

    doi:10.1016/j.cell.2012.07.015

    authors: Noël JF,Wellinger RJ

    更新日期:2012-08-03 00:00:00

  • Alternative RNA splicing of the murine alpha A-crystallin gene: protein-coding information within an intron.

    abstract::The eye lens contains a structural protein (alpha-crystallin), composed of two homologous primary gene products, alpha A2 and alpha B2. In certain rodents, there is another minor alpha-crystallin polypeptide, alpha Ains, which is identical to alpha A2 except for a 22 amino acid insert between residues 63 and 64 of the...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/0092-8674(83)90056-9

    authors: King CR,Piatigorsky J

    更新日期:1983-03-01 00:00:00

  • Ligand-sensitive binding of actin-binding protein to immunoglobulin G Fc receptor I (Fc gamma RI).

    abstract::The high affinity receptor that binds the Fc domain of immunoglobulin G (IgG) subclasses 1 and 3 (Fc gamma RI) mediates important immune defense functions by inducing cell surface changes on human leukocytes. In this article, we document direct high affinity binding of Fc gamma RI to the actin filament cross-linking p...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/0092-8674(91)90179-3

    authors: Ohta Y,Stossel TP,Hartwig JH

    更新日期:1991-10-18 00:00:00

  • A herpes simplex virus 1 integration site in the mouse genome defined by somatic cell genetic analysis.

    abstract::Transfection experiments with HSV 1 in which one uses herpes simplex virus (HSV) thymidine kinase (TK) as a selectable prototrophic marker yield two classes of transformed cells: stable and unstable. In this report, we test the hypothesis that the stability phenotype can be explained by virus genome integration into a...

    journal_title:Cell

    pub_type: 杂志文章

    doi:10.1016/0092-8674(78)90015-6

    authors: Smiley JR,Steege DA,Juricek DK,Summers WP,Ruddle FH

    更新日期:1978-10-01 00:00:00