Different aa-tRNAs are selected uniformly on the ribosome.

abstract：:DNA replication is initiated by assembly of the kinase cell division cycle 7 (CDC7) with its regulatory activation subunit, activator of S-phase kinase (ASK), to activate DNA helicase. However, the mechanism underlying regulation of CDC7-ASK complex is unclear. Here, we show that ADP generated from CDC7-mediated MCM p...

journal_title：Molecular cell

authors： Li X,Qian X,Jiang H,Xia Y,Zheng Y,Li J,Huang BJ,Fang J,Qian CN,Jiang T,Zeng YX,Lu Z

更新日期：2018-11-15 00:00:00

abstract：:During meiosis, the homologous chromosomes pair and recombine. An evolutionarily conserved protein structure, the synaptonemal complex (SC), is located along the paired meiotic chromosomes. We have studied the function of a structural component in the axial/lateral element of the SC, the synaptonemal complex protein 3...

journal_title：Molecular cell

authors： Yuan L,Liu JG,Zhao J,Brundell E,Daneholt B,Höög C

更新日期：2000-01-01 00:00:00

abstract：:Xenopus oocytes can epigenetically reprogram mouse somatic cells toward totipotency. In this issue, Jullien et al. (2014) now describe rapid, interdependent molecular events that facilitate this reprogramming. ...

journal_title：Molecular cell

authors： Maza I,Hanna JH

更新日期：2014-08-21 00:00:00

abstract：:APOBEC1 is the catalytic component of an RNA editing complex but shows homology to activation-induced cytidine deaminase (AID), a protein whose function is to potentiate diversification of immunoglobulin gene DNA. Here, we show that APOBEC1 and its homologs APOBEC3C and APOBEC3G exhibit potent DNA mutator activity in ...

journal_title：Molecular cell

authors： Harris RS,Petersen-Mahrt SK,Neuberger MS

更新日期：2002-11-01 00:00:00

abstract：:c-Jun, a major transcription factor in the activating protein 1 (AP-1) family of regulatory proteins, is activated by many physiologic and pathologic stimuli. However, whether c-jun is regulated by epigenetic modification of chromatin structure is not clear. We showed here that c-jun was transcriptionally repressed in...

journal_title：Molecular cell

authors： Xia Y,Wang J,Liu TJ,Yung WK,Hunter T,Lu Z

更新日期：2007-01-26 00:00:00

abstract：:The IkappaB kinases IKKalpha and IKKbeta regulate distinct cytoplasmic and nuclear events that are critical for cytokine-mediated activation of the NF-kappaB pathway. Because the IKKs have previously been demonstrated to associate with the nuclear hormone receptor coactivator AIB1/SRC-3, the question of whether either...

journal_title：Molecular cell

authors： Park KJ,Krishnan V,O'Malley BW,Yamamoto Y,Gaynor RB

更新日期：2005-04-01 00:00:00

abstract：:The steroid hormone ecdysone signals the stage-specific programmed cell death of the larval salivary glands during Drosophila metamorphosis. This response is preceded by an ecdysone-triggered switch in gene expression in which the diap2 death inhibitor is repressed and the reaper (rpr) and head involution defective (h...

journal_title：Molecular cell

authors： Jiang C,Lamblin AF,Steller H,Thummel CS

更新日期：2000-03-01 00:00:00

abstract：:A recent paper by Gallagher et al. (2020) demonstrates that c-di-GMP controls spore formation in Streptomyces venezuelae through sequestering the sporulation sigma factor σWhiG and presents the crystal structure of a ternary complex between c-di-GMP, σWhiG, and its anti-sigma factor, RsiG. ...

journal_title：Molecular cell

authors： Chou SH,Galperin MY

更新日期：2020-02-06 00:00:00

abstract：:Multisite phosphorylation of kinases can induce on-off or graded regulation of catalytic activity; however, its influence on substrate specificity remains unclear. Here, we show that multisite phosphorylation of ribosomal protein S6 kinase 1 (S6K1) alters target selection. Agonist-inducible phosphorylation of glutamyl...

journal_title：Molecular cell

authors： Arif A,Jia J,Willard B,Li X,Fox PL

更新日期：2019-02-07 00:00:00

abstract：:Alternative splicing (AS) is a widespread process underlying the generation of transcriptomic and proteomic diversity and is frequently misregulated in human disease. Accordingly, an important goal of biomedical research is the development of tools capable of comprehensively, accurately, and efficiently profiling AS. ...

journal_title：Molecular cell

authors： Sterne-Weiler T,Weatheritt RJ,Best AJ,Ha KCH,Blencowe BJ

更新日期：2018-10-04 00:00:00

abstract：:The redundancy of the genetic code implies that most amino acids are encoded by multiple synonymous codons. In all domains of life, a biased frequency of synonymous codons is observed at the genome level, in functionally related genes (e.g., in operons), and within single genes. Other codon bias variants include biase...

journal_title：Molecular cell

authors： Quax TE,Claassens NJ,Söll D,van der Oost J

更新日期：2015-07-16 00:00:00

abstract：:The formation of mRNPs controls the interaction of the translation and degradation machinery with individual mRNAs. The yeast Scd6 protein and its orthologs regulate translation and mRNA degradation in yeast, C. elegans, D. melanogaster, and humans by an unknown mechanism. We demonstrate that Scd6 represses translatio...

journal_title：Molecular cell

authors： Rajyaguru P,She M,Parker R

更新日期：2012-01-27 00:00:00

abstract：:Peptide release on the ribosome is catalyzed in the large subunit peptidyl transferase center by release factors on recognition of stop codons in the small subunit decoding center. Here we examine the role of the decoding center in this process. Mutation of decoding center nucleotides or removal of 2'OH groups from th...

journal_title：Molecular cell

authors： Youngman EM,He SL,Nikstad LJ,Green R

更新日期：2007-11-30 00:00:00

abstract：:Nucleosomes are barriers to transcription in vitro; however, their effects on RNA polymerase in vivo are unknown. Here we describe a simple and general strategy to comprehensively map the positions of elongating and arrested RNA polymerase II (RNAPII) at nucleotide resolution. We find that the entry site of the first ...

journal_title：Molecular cell

authors： Weber CM,Ramachandran S,Henikoff S

更新日期：2014-03-06 00:00:00

abstract：:The transcriptional coactivators CBP and p300 are critical regulators of metazoan gene expression. They associate with many different DNA-bound transcription factors through small, conserved domains. We have identified a compactly folded 46 residue domain in CBP and p300, the IRF-3 binding domain (IBiD), and we have d...

journal_title：Molecular cell

authors： Lin CH,Hare BJ,Wagner G,Harrison SC,Maniatis T,Fraenkel E

更新日期：2001-09-01 00:00:00

abstract：:Activation of NF-kappaB is achieved by ubiquitination and proteasome-mediated degradation of IkappaBalpha. We have detected modified IkappaBalpha, conjugated to the small ubiquitin-like protein SUMO-1, which is resistant to signal-induced degradation. In the presence of an E1 SUMO-1-activating enzyme, Ubch9 conjugated...

journal_title：Molecular cell

authors： Desterro JM,Rodriguez MS,Hay RT

更新日期：1998-08-01 00:00:00

abstract：:The mechanisms by which telomeres are distinguished from DNA double-strand breaks are poorly understood. Here we have defined the minimal requirements for the protection of telomeric DNA ends from nonhomologous end-joining (NHEJ). Neither long, single-stranded overhangs nor t loop formation is essential to prevent NHE...

journal_title：Molecular cell

authors： Bae NS,Baumann P

更新日期：2007-05-11 00:00:00

abstract：:Transcriptional coregulators, rather than ligand signals, are suspected to confer context and pathway specificity to nuclear receptor signaling, but the identity of such specifying coregulators and the underlying molecular mechanisms remain largely enigmatic. Here we address this issue in metabolic oxysterol receptor ...

journal_title：Molecular cell

authors： Jakobsson T,Venteclef N,Toresson G,Damdimopoulos AE,Ehrlund A,Lou X,Sanyal S,Steffensen KR,Gustafsson JA,Treuter E

更新日期：2009-05-14 00:00:00

abstract：:Macroautophagy (autophagy) is a lysosome-dependent degradation process that has been implicated in age-associated diseases. Autophagy is involved in both cell survival and cell death, but little is known about the mechanisms that distinguish its use during these distinct cell fates. Here, we identify the microRNA miR-...

journal_title：Molecular cell

authors： Nelson C,Ambros V,Baehrecke EH

更新日期：2014-11-06 00:00:00

abstract：:Faithful duplication of the genome in S phase followed by its accurate segregation in mitosis is essential to maintain genomic integrity. Recent studies have suggested that proteins involved in DNA transactions are also required for whole-chromosome stability. Here we demonstrate that the MRN (Mre11, Rad50, and Nbs1) ...

journal_title：Molecular cell

authors： Rozier L,Guo Y,Peterson S,Sato M,Baer R,Gautier J,Mao Y

更新日期：2013-03-28 00:00:00

abstract：:Signal-induced alternative splicing of the CD45 gene in human T cells is essential for proper immune function. Skipping of the CD45 variable exons is controlled, in large part, by the recruitment of PSF to the pre-mRNA substrate upon T cell activation; however, the signaling cascade leading to exon exclusion has remai...

journal_title：Molecular cell

authors： Heyd F,Lynch KW

更新日期：2010-10-08 00:00:00

abstract：:The crystal structure of the autoinhibited form of Hck has been determined at 2.0 A resolution, in complex with a specific pyrazolo pyrimidine-type inhibitor, PP1. The activation segment, a key regulatory component of the catalytic domain, is unphosphorylated and is visualized in its entirety. Tyr-416, the site of act...

journal_title：Molecular cell

authors： Schindler T,Sicheri F,Pico A,Gazit A,Levitzki A,Kuriyan J

更新日期：1999-05-01 00:00:00

abstract：:Nonsense-mediated decay (NMD) is a surveillance system that degrades mRNAs containing a premature termination codon (PTC) and plays important roles in protein homeostasis and disease. The efficiency of NMD is variable, impacting the clinical outcome of genetic mutations. However, limited resolution of bulk analyses ha...

journal_title：Molecular cell

authors： Hoek TA,Khuperkar D,Lindeboom RGH,Sonneveld S,Verhagen BMP,Boersma S,Vermeulen M,Tanenbaum ME

更新日期：2019-07-25 00:00:00

abstract：:Hydroxyl radical footprinting and directed probing from Fe(II)-derivatized IF3 have been used to map the interaction of IF3 relative to 16S rRNA and tRNA(Met)(f) in the 30S ribosomal subunit. Our results place the two domains of IF3 on opposite sides of the initiator tRNA, with the C domain at the platform interface a...

journal_title：Molecular cell

authors： Dallas A,Noller HF

更新日期：2001-10-01 00:00:00

abstract：:Multi-subunit SMC complexes control chromosome superstructure and promote chromosome disjunction, conceivably by actively translocating along DNA double helices. SMC subunits comprise an ABC ATPase "head" and a "hinge" dimerization domain connected by a 49 nm coiled-coil "arm." The heads undergo ATP-dependent engageme...

journal_title：Molecular cell

authors： Diebold-Durand ML,Lee H,Ruiz Avila LB,Noh H,Shin HC,Im H,Bock FP,Bürmann F,Durand A,Basfeld A,Ham S,Basquin J,Oh BH,Gruber S

更新日期：2017-07-20 00:00:00

abstract：:The recent paper by Stadlmann et al. (2017) provides a novel algorithm for glycoproteomics in which complex glycopeptides can be identified in complex mixtures to aid in characterizing both the site of glycosylation and the glycan structure. ...

journal_title：Molecular cell

authors： Cummings RD

更新日期：2017-12-07 00:00:00

abstract：:Heterochromatin formation is generally thought to result in transcriptional repression of target loci. However, RNAi-mediated heterochromatin assembly requires RNA polymerase II (Pol II) transcription. The mechanism facilitating Pol II accessibility to heterochromatin is unknown. We show that the fission yeast Epe1, a...

journal_title：Molecular cell

authors： Zofall M,Grewal SI

更新日期：2006-06-09 00:00:00

abstract：:The heterodimeric nuclear cap binding complex (CBC) binds to 5'-capped polymerase II transcripts. It enhances the efficiency of several mRNA maturation steps and is essential for U snRNA nuclear export in multicellular eukaryotes. The 2A crystal structure of human CBC shows that the large subunit, CBP80, comprises thr...

journal_title：Molecular cell

authors： Mazza C,Ohno M,Segref A,Mattaj IW,Cusack S

更新日期：2001-08-01 00:00:00

abstract：:S(N)1-type alkylating agents that produce cytotoxic O(6)-methyl-G (O(6)-meG) DNA adducts induce cell cycle arrest and apoptosis in a manner requiring the DNA mismatch repair (MMR) proteins MutSalpha and MutLalpha. Here, we show that checkpoint signaling in response to DNA methylation occurs during S phase and requires...

journal_title：Molecular cell

authors： Yoshioka K,Yoshioka Y,Hsieh P

更新日期：2006-05-19 00:00:00

abstract：:While the function of most small signaling domains is confined to binary ligand interactions, the peroxisomal Pex13p SH3 domain has the unique capacity of binding to two different ligands, Pex5p and Pex14p. We have used this domain as a model to decipher its structurally independent ligand binding sites. By the combin...

journal_title：Molecular cell

authors： Douangamath A,Filipp FV,Klein AT,Barnett P,Zou P,Voorn-Brouwer T,Vega MC,Mayans OM,Sattler M,Distel B,Wilmanns M

更新日期：2002-11-01 00:00:00