共查询到20条相似文献,搜索用时 31 毫秒
1.
Highlights? OmpF porin binds antibiotics in the extracellular and periplasmic pore vestibules ? MD simulations show that ionic current through OmpF is blocked by bound ampicillin ? Carbenicillin binding alters ion selectivity of OmpF but not total ionic current ? Disruption of binding increases the susceptibility of E. coli for antibiotics 相似文献
2.
Martin Zoltner David G. Norman Paul K. Fyfe Hassane El Mkami Tracy Palmer William N. Hunter 《Structure (London, England : 1993)》2013,21(4):595-603
Highlights? EssB, a membrane-bound component of the type VII secretion system, forms a dimer ? The cytoplasmic segment EssB-N is remarkably similar to pseudokinases ? The extracellular C-terminal domain displays a helical fold ? PELDOR spectroscopy enabled construction of a model of the complete dimer 相似文献
3.
Sean P. Cullen Conor M. Henry Conor J. Kearney Susan E. Logue Maria Feoktistova Graham A. Tynan Ed C. Lavelle Martin Leverkus Seamus J. Martin 《Molecular cell》2013,49(6):1034-1048
Highlights? Fas-induced apoptosis is associated with secretion of cytokines and chemokines ? Fas-driven MCP-1 and IL-8 were chemotactic for monocytes and neutrophils, respectively ? IL-8 and MCP-1 can act as “find-me” signals for apoptotic cells ? Apoptotic cells can actively communicate with cells of the immune system 相似文献
4.
Silvia Jansen Anastassis Perrakis Chris Ulens Claudia Winkler Maria Andries Robbie P. Joosten Maarten Van Acker Frank P. Luyten Wouter H. Moolenaar Mathieu Bollen 《Structure (London, England : 1993)》2012,20(11):1948-1959
Highlights? We determine the crystal structure of mouse NPP1 ? We elucidate the mechanism of NPP1 dimer formation and secretion ? The structure explains the dramatic functional differences between NPP1 and NPP2 ? The structure allows defining the impact of pathogenic mutations in human NPP1 相似文献
5.
Grégory Effantin Ryosuke Hamasaki Takeru Kawasaki Maria Bacia Christine Moriscot Winfried Weissenhorn Takashi Yamada Guy Schoehn 《Structure (London, England : 1993)》2013,21(2):298-305
Highlights? ?RSL1, a jumbo phage, is almost completely covered by decorating proteins ? The tail structure is reported to be 9 Å, revealing unprecedented structural details ? The tail inner tube shows structural similarities to the bacterial type VI secretion system ? The long fibers can stabilize phiRSL1 once it is bound to the host cell surface 相似文献
6.
Nathan F. Putman Kenneth J. Lohmann Emily M. Putman Thomas P. Quinn A. Peter Klimley David L.G. Noakes 《Current biology : CB》2013,23(4):312-316
Highlights? Sockeye salmon use geomagnetic imprinting as a homing mechanism ? The homing route of salmon is predicted by magnetic field drift (secular variation) 相似文献
7.
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
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10.
Colin A. Smith Catherine A. Shi Matthew K. Chroust Thomas E. Bliska Mark J.S. Kelly Matthew P. Jacobson Tanja Kortemme 《Structure (London, England : 1993)》2013,21(1):54-64
Highlights? Successful design of phosphorylation sites into a globular protein ? Redesigned PDZ domain phosphorylation is associated with local destabilization ? Phosphorylation switches peptide binding function ? Phosphorylation switches peptide recognition specificity 相似文献
11.
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
12.
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
13.
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
14.
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
15.
Sonja Baumli Alison J. Hole Lan-Zhen Wang Martin E.M. Noble Jane A. Endicott 《Structure (London, England : 1993)》2012,20(10):1788-1795
Highlights? The CDK9 C-terminal tail is important for the catalytic mechanism ? CDK9 phosphorylates the CTD in a nonprocessive manner ? The CDK9 tail folds over the ATP binding site during the catalytic cycle 相似文献
16.
Roland Baumgartner Ingrid Poernbacher Nathalie Buser Ernst Hafen Hugo Stocker 《Developmental cell》2010,18(2):309-316
Highlights? The WW domain protein Kibra is a Hippo signalling component ? Kibra restricts organ size via Yorkie and acts upstream of Hippo and Merlin ? Kibra synergizes with Expanded and binds to Merlin 相似文献
17.
Highlights? α-TAT mutants have short microtubules and variable protofilament number ? α-tubulin K40 acetylation promotes interprotofilament salt bridges ? α-tubulin K40 acetylation is a key constraint on protofilament number in vivo 相似文献
18.
Li Chen Xuanjun Ai Athina G. Portaliou Conceicao A.S.A. Minetti David P. Remeta Anastassios Economou Charalampos G. Kalodimos 《Cell reports》2013,3(3):709-715
Highlights? The targeting signal of TTS substrates to the ATPase was identified ? The ATPase engages the chaperone-substrate complex but not the free chaperone ? The ATPase recognizes a conformational change induced by the substrate to the chaperone ? Abrogation of the ternary complex results in secretion and infection defects 相似文献
19.
Agromayor M Soler N Caballe A Kueck T Freund SM Allen MD Bycroft M Perisic O Ye Y McDonald B Scheel H Hofmann K Neil SJ Martin-Serrano J Williams RL 《Structure (London, England : 1993)》2012,20(3):414-428
Highlights? ESCRT-I subunit UBAP1 is essential for degradation of antiviral protein tetherin ? UBAP1 has a domain consisting of a solenoid of overlapping UBAs (SOUBA) ? Each of the three UBAs in the SOUBA binds monoubiquitin 相似文献
20.
Abdoulaye Sene Aslam A. Khan Douglas Cox Rei E.I. Nakamura Andrea Santeford Bryan M. Kim Rohini Sidhu Michael D. Onken J. William Harbour Shira Hagbi-Levi Itay Chowers Peter A. Edwards Angel Baldan John S. Parks Daniel S. Ory Rajendra S. Apte 《Cell metabolism》2013,17(4):549-561
Highlights? Macrophage senescence impairs cholesterol efflux and promotes macular degeneration ? Senescent macrophages polarize to a proangiogenic, disease-promoting phenotype ? Macrophage cholesterol efflux is regulated by miR33 and its target ABCA1 ? Age-related decrease in macrophage cholesterol efflux is therapeutically reversible 相似文献