共查询到20条相似文献,搜索用时 31 毫秒
1.
Nir Kalisman Gunnar F. Schröder Michael Levitt 《Structure (London, England : 1993)》2013,21(4):540-549
Highlights? CCT subunit types can be identified in crystallographic data, even at low resolutions ? Actin and tubulin both bind around CCT6 ? ATP hydrolysis and substrate binding are partitioned in the CCT particle 相似文献
2.
Dominique Seetapun Brian T. Castle Alistair J. McIntyre Phong T. Tran David J. Odde 《Current biology : CB》2012,22(18):1681-1687
Highlights? The microtubule (MT) GTP cap is ~750 tubulin subunits in vivo and extends over 1 μm ? EGFP brightness can be calibrated in vivo using GFP-tubulin signals from MTs ? The presence of GTP-tubulin in the MT lattice influences MT shortening and rescue ? MT tip trackers, like EB1, can be highly concentrated at the MT plus end (~100 μM) 相似文献
3.
Molecular mechanism for inhibition of g protein-coupled receptor kinase 2 by a selective RNA aptamer
Highlights? C13 RNA aptamer variants stabilize GRK2 in a unique and remodeled conformation ? The aptamer positions an adenine nucleotide into the ATP-binding pocket of GRK2 ? Basic residues on an exterior surface of GRK2 facilitate aptamer binding ? The terminal stem of the aptamer indirectly contributes to affinity 相似文献
4.
Monique Gangloff Christopher J. Arnot Miranda Lewis Nicholas J. Gay 《Structure (London, England : 1993)》2013,21(1):143-153
Highlights? The N-terminal cap of Toll adopts a new fold ? It resembles a duplicated beta hairpin structure with three disulphide bonds ? Toll LRRNT cap is not critical for Spätzle binding ? The first 13 LRRs are sufficient for Spätzle binding 相似文献
5.
Andersson CS Lundgren CA Magnúsdóttir A Ge C Wieslander A Martinez Molina D Högbom M 《Structure (London, England : 1993)》2012,20(6):1062-1070
Highlights? M. tuberculosis FadD13 is a peripheral membrane protein ? Mutagenesis reveals an arginine-rich patch as the site for membrane interaction ? A hydrophobic tunnel extends from the active site to the positively charged patch ? The architecture lets substrates reside partly in the membrane during catalysis 相似文献
6.
Highlights? Smad-interacting protein 1 (SIP1) regulates hESC differentiation ? SIP1 upregulation promotes neuroectodermal differentiation ? SIP1 inhibits mesendodermal and endodermal differentiation ? SMAD2/3 and NANOG/OCT4/SOX2 cooperatively regulate SIP1 expression 相似文献
7.
Highlights? AtBMI1A/B proteins prevent misexpression of embryonic traits in somatic cells ? PRC2 and AtBMI1A/B proteins maintain cells in their differentiated state ? AtBMI1A/B proteins mediate H2A monoubiquitination 相似文献
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9.
Nikki Charles Tatsuya Ozawa Massimo Squatrito Anne-Marie Bleau Cameron W. Brennan Dolores Hambardzumyan Eric C. Holland 《Cell Stem Cell》2010,6(2):141-152
Highlights? Perivascular niche nitric oxide activates Notch in PDGF-induced gliomas ? Notch signaling drives tumor stem-like characteristics and reduces survival ? Loss of eNOS activity decreases tumor stem-like characteristics ? Suppressing eNOS activity prolongs survival in glioma-bearing mice 相似文献
10.
Adkar BV Tripathi A Sahoo A Bajaj K Goswami D Chakrabarti P Swarnkar MK Gokhale RS Varadarajan R 《Structure (London, England : 1993)》2012,20(2):371-381
Highlights? Individual mutant phenotypes in a saturation library derived via deep sequencing ? Residue depth and active-site residue derivation from mutant phenotypes ? Mutant-phenotype-derived parameters used for protein model discrimination ? Derivation of sequence-structure-function relationships without protein isolation 相似文献
11.
Hume Stroud Maxim V.C. Greenberg Suhua Feng Yana V. Bernatavichute Steven E. Jacobsen 《Cell》2013,152(1-2):352-364
Highlights? Genome-wide single-nucleotide resolution methylation maps in 86 silencing mutants ? Complex interplays between different DNA methylation pathways ? Identification of novel regulators of DNA methylation 相似文献
12.
Bjørn Dalhus Line Nilsen Hanne Korvald Joy Huffman Rune Johansen Forstrøm Cynthia T. McMurray Ingrun Alseth John A. Tainer Magnar Bjørås 《Structure (London, England : 1993)》2013,21(1):154-166
Highlights? Unflipped AP site stabilized by helix-hairpin-helix DNA glycosylase homolog Mag2 ? Nonenzymatic AP site recognition and DNA sculpting ? Sculpting of DNA conformation enhances substrate transfer between proteins 相似文献
13.
Highlights? Drosophila Matrix Metalloprotease (Mmp) inhibits FGF signaling ? An FGF – MMP feedback loop regulates branching morphogenesis ? Mmp2 spatially regulates FGF signaling in epithelia 相似文献
14.
Kushol Gupta Joseph E. Curtis Susan Krueger Young Hwang Peter Cherepanov Frederic D. Bushman Gregory D. Van Duyne 《Structure (London, England : 1993)》2012,20(11):1918-1928
Highlights? Missing domains in PFV intasome revealed by SAXS/SANS ? PFV IN undergoes dramatic changes in conformation and oligomerization upon binding DNA ? Strand transfer inhibitors do not alter quaternary structure of PFV intasome 相似文献
15.
Fabian Anton Gunnar Dittmar Thomas Langer Mafalda Escobar-Henriques 《Molecular cell》2013,49(3):487-498
Highlights? Mitochondrial fusion is regulated by independent ubiquitylation pathways ? The deubiquitylase Ubp2 promotes fusion, whereas Ubp12 inhibits fusion events ? Self-assembly and ubiquitylation cooperatively enable mitochondrial fusion ? Yeast mitofusin is sequentially ubiquitylated 相似文献
16.
Changmei Liu Zhao-Qian Teng Nicholas J. Santistevan Keith E. Szulwach Weixiang Guo Peng Jin Xinyu Zhao 《Cell Stem Cell》2010,6(5):433-444
Highlights? MBD1 governs the proliferation and differentiation of neural stem cells (NSCs) ? MBD1 controls the expression of miRNAs, including miR-184, in NSCs ? MiR-184 represses the expression of Numblike ? Numblike rescues the effects of abnormal MBD1 and miR-184 expression 相似文献
17.
ESCs Require PRC2 to Direct the Successful Reprogramming of Differentiated Cells toward Pluripotency
Carlos F. Pereira Francesco M. Piccolo Tomomi Tsubouchi Stephan Sauer Natalie K. Ryan Ludovica Bruno David Landeira Joana Santos Ana Banito Jesus Gil Haruhiko Koseki Matthias Merkenschlager Amanda G. Fisher 《Cell Stem Cell》2010,6(6):547-556
Highlights? Mouse pluripotent cells reprogram human B cells in heterokaryons ? ESCs lacking PRC1 or PRC2 cannot successfully reprogram ? Failure of PRC1/2-deficient ESCs to reprogram is functionally dominant ? PRC1/2 play a critical role in the chromatin reorganization required for reprogramming 相似文献
18.
Highlights? Not all hepatocytes undergo cell division during liver regeneration ? Hypertrophy precedes proliferation in the regenerating liver ? Hepatocytes infrequently enter into M phase during liver regeneration ? Binuclear hepatocytes undergo cell division to generate mononuclear hepatocytes 相似文献
19.
Daniel J. Bumbarger Metta Riebesell Christian Rödelsperger Ralf J. Sommer 《Cell》2013,152(1-2):109-119
Highlights? Massive neural circuit rewiring between nematodes with divergent feeding behavior ? Striking patterns correlate with known functional differences ? Motor synapse differences indicate a substantial change in information flow ? Correlates of predatory feeding behavior are identified 相似文献
20.
John-Stuart Brittain Penny Probert-Smith Tipu Z. Aziz Peter Brown 《Current biology : CB》2013,23(5):436-440
Highlights? Phase-cancelling cortical stimulation attenuates Parkinsonian tremor ? Prolonged stimulation may invoke adaptive mechanisms ? Phase cancellation may provide a generic treatment approach to oscillopathies ? TACS provides a convenient probe of cortical circuit dynamics in humans 相似文献