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- Sciencedirect from 1997, Proquest, Rcgp, Gale, CSA, and Ingenta
Molecular Imprinting as a Signal-Activation Mechanism of the Viral RNA Sensor RIG-I.
We report a 3.6 Å electron microscopy structure of the CARD(MAVS) filament and a 3.4 Å crystal structure of the 2CARD(RIG-I):CARD(MAVS) complex, representing 2CARD(RIG-I) "caught in the act" of nucleating the CARD(MAVS) filament. These structures, together with functional analyses, show that 2CARD(R...
Structure of the BRCT repeats of BRCA1 bound to a BACH1 phosphopeptide: implications for signaling.
We report the crystal structure of the BRCT repeats of human BRCA1 bound to a phosphorylated BACH1 peptide at 2.3 A resolution. The phosphorylated serine 990 and phenylalanine 993 of BACH1 anchor the binding to BRCA1 through specific interactions with a surface cleft at the junction of the two BRCT...
Structural basis for octameric ring formation and DNA interaction of the human homologous-pairing protein Dmc1.
We crystallized the full-length human Dmc1 protein and solved the structure of the Dmc1 octameric ring. The monomeric structure of the Dmc1 protein closely resembled those of the human and archaeal Rad51 proteins. In addition to the polymerization motif that was previously identified in the Rad51 pr...
Mitotic checkpoint inactivation fosters transformation in cells lacking the breast cancer susceptibility gene, Brca2.
We report that inactivation of cell cycle checkpoints responsive to mitotic spindle disruption, by mutant forms of p53 or Bub1, relieves growth arrest and initiates neoplastic transformation in primary cells homozygous for truncated Brca2. Tumors from Brca2-deficient animals exhibit dysfunction of t...
Unambiguous identification of miRNA:target site interactions by different types of ligation reactions.
We modified our CLIP methodology in C. elegans to experimentally ligate miRNAs to their target sites. Unexpectedly, ligation reactions also occurred in the absence of the exogenous ligase. Our in vivo data set and reanalysis of published mammalian AGO-CLIP data for miRNA-chimeras yielded ∼17,000 miR...
VEGF Signals through ATF6 and PERK to promote endothelial cell survival and angiogenesis in the absence of ER stress.
We show that VEGF activates UPR mediators through a PLCγ-mediated crosstalk with the mTORC1 complex without accumulation of unfolded proteins in the ER. Activation of ATF6 and PERK contributes to the survival effect of VEGF on endothelial cells (ECs) by positively regulating mTORC2-mediated phosphor...
HDMX folds the nascent p53 mRNA following activation by the ATM kinase.
We show that following phosphorylation by the ataxia telangiectasia mutated (ATM) kinase at serine 403, the C-terminal RING domain of HDMX binds the nascent p53 mRNA to promote a conformation that supports the p53 mRNA-HDM2 interaction and the induction of p53 synthesis. HDMX and its homolog HDM2 bi...
Retraction notice to: Nuclear receptor function requires a TFTC-type histone acetyl transferase complex.
The Cdk/cDc14 module controls activation of the Yen1 holliday junction resolvase to promote genome stability.
We have refined the substrate specificity of budding yeast Cdc14 and, using this insight, identified the Holliday junction resolvase Yen1 as a DNA repair target of Cdc14. Cdc14 activation at anaphase triggers nuclear accumulation and enzymatic activation of Yen1, likely to resolve persistent recombi...
Alternative capture of noncoding RNAs or protein-coding genes by herpesviruses to alter host T cell function.
In marmoset T cells transformed by Herpesvirus saimiri (HVS), a viral U-rich noncoding (nc) RNA, HSUR 1, specifically mediates degradation of host microRNA-27 (miR-27). High-throughput sequencing of RNA after crosslinking immunoprecipitation (HITS-CLIP) identified mRNAs targeted by miR-27 as enriche...