regulation of translation involved in cellular response to UV / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / protein-DNA complex disassembly / positive regulation of DNA damage response, signal transduction by p53 class mediator / ubiquitin ligase inhibitor activity / positive regulation of signal transduction by p53 class mediator / phagocytic cup / negative regulation of ubiquitin-dependent protein catabolic process / translation regulator activity / ribosomal small subunit export from nucleus ...regulation of translation involved in cellular response to UV / positive regulation of intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / protein-DNA complex disassembly / positive regulation of DNA damage response, signal transduction by p53 class mediator / ubiquitin ligase inhibitor activity / positive regulation of signal transduction by p53 class mediator / phagocytic cup / negative regulation of ubiquitin-dependent protein catabolic process / translation regulator activity / ribosomal small subunit export from nucleus / rough endoplasmic reticulum / positive regulation of apoptotic signaling pathway / MDM2/MDM4 family protein binding / DNA-(apurinic or apyrimidinic site) lyase / class I DNA-(apurinic or apyrimidinic site) endonuclease activity / ribosomal large subunit biogenesis / DNA damage response, signal transduction by p53 class mediator / maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / maturation of SSU-rRNA / positive regulation of translation / small-subunit processome / cellular response to gamma radiation / spindle / mRNA 5'-UTR binding / transcription coactivator binding / rRNA processing / cytosolic ribosome / glucose homeostasis / ribosomal small subunit assembly / ribosome binding / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / 5S rRNA binding / ribosomal large subunit assembly / small ribosomal subunit / cytosolic small ribosomal subunit / large ribosomal subunit rRNA binding / cytosolic large ribosomal subunit / perikaryon / cytoplasmic translation / postsynaptic density / protein stabilization / rRNA binding / mitochondrial inner membrane / structural constituent of ribosome / ribosome / translation / mRNA binding / ubiquitin protein ligase binding / positive regulation of cell population proliferation / nucleolus / dendrite / synapse / negative regulation of transcription by RNA polymerase II / perinuclear region of cytoplasm / endoplasmic reticulum / RNA binding / zinc ion binding / nucleoplasm / membrane / nucleus / plasma membrane / cytosol / cytoplasm Similarity search - Function
40S ribosomal protein SA, C-terminal domain / 40S ribosomal protein SA C-terminus / Ribosomal protein L6, N-terminal / Ribosomal protein L6, N-terminal domain / Ubiquitin-like protein FUBI / Ribosomal protein L30e / Ribosomal protein L28e / Ribosomal L15/L27a, N-terminal / : / Ribosomal L28e/Mak16 ...40S ribosomal protein SA, C-terminal domain / 40S ribosomal protein SA C-terminus / Ribosomal protein L6, N-terminal / Ribosomal protein L6, N-terminal domain / Ubiquitin-like protein FUBI / Ribosomal protein L30e / Ribosomal protein L28e / Ribosomal L15/L27a, N-terminal / : / Ribosomal L28e/Mak16 / Ribosomal L28e protein family / Ribosomal protein L2, archaeal-type / metallochaperone-like domain / TRASH domain / : / Ribosomal protein S26e signature. / Ribosomal protein L41 / Ribosomal protein L41 / Ribosomal protein S21e, conserved site / Ribosomal protein S21e signature. / Ribosomal protein S26e / Ribosomal protein S26e superfamily / Ribosomal protein S26e / Ribosomal protein L29e / Ribosomal L29e protein family / Small (40S) ribosomal subunit Asc1/RACK1 / Ribosomal protein L27e, conserved site / Ribosomal protein L27e signature. / Ribosomal protein S21e / Ribosomal protein S21e superfamily / Ribosomal protein S21e / : / Ribosomal protein L6e signature. / Ribosomal protein S2, eukaryotic / Ribosomal protein L19, eukaryotic / 40S Ribosomal protein S10 / Ribosomal protein L10e, conserved site / Ribosomal protein L10e signature. / Ribosomal protein L19/L19e conserved site / Ribosomal protein L19e signature. / Plectin/S10, N-terminal / Plectin/S10 domain / Ribosomal protein L44e signature. / Ribosomal protein L24e, conserved site / Ribosomal protein L24e signature. / Ribosomal protein L10e / Ribosomal protein S30 / Ribosomal protein S30 / Ribosomal protein L5 eukaryotic, C-terminal / Ribosomal L18 C-terminal region / Ribosomal protein L34e, conserved site / Ribosomal protein L34e signature. / Ribosomal protein S10, eukaryotic/archaeal / Ribosomal protein S8e subdomain, eukaryotes / Ribosomal protein S25 / S25 ribosomal protein / Ribosomal protein L36e signature. / Ribosomal protein L30e signature 1. / Eukaryotic Ribosomal Protein L27, KOW domain / Ribosomal protein L27e / Ribosomal protein L27e superfamily / Ribosomal L27e protein family / Ribosomal Protein L6, KOW domain / Ribosomal protein L35Ae, conserved site / Ribosomal protein L35Ae signature. / : / Ribosomal protein S17e, conserved site / Ribosomal protein S17e signature. / Ribosomal protein L44e / Ribosomal protein L44 / : / Ribosomal protein S2, eukaryotic/archaeal / 60S ribosomal protein L35 / 40S ribosomal protein S29/30S ribosomal protein S14 type Z / Ribosomal protein L6e / Ribosomal protein L30e signature 2. / Ribosomal protein S3, eukaryotic/archaeal / Ribosomal protein L30e, conserved site / 60S ribosomal protein L6E / Ribosomal protein L7, eukaryotic / : / Ribosomal protein L30, N-terminal / Ribosomal protein L39e, conserved site / Ribosomal L30 N-terminal domain / Ribosomal protein L39e signature. / Ribosomal protein L34Ae / Ribosomal protein S8e, conserved site / Ribosomal protein L34e / Ribosomal protein S8e signature. / Ribosomal protein S3Ae, conserved site / Ribosomal protein S3Ae signature. / 60S ribosomal protein L19 / 60S ribosomal protein L4, C-terminal domain / 60S ribosomal protein L4 C-terminal domain / 40S ribosomal protein S4, C-terminal domain / 40S ribosomal protein S4 C-terminus / Ribosomal protein S27e signature. / Ribosomal protein L30/YlxQ / Ribosomal protein L14e domain / Ribosomal protein L14 Similarity search - Domain/homology
Small ribosomal subunit protein eS32 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL16 / Small ribosomal subunit protein uS4 / Large ribosomal subunit protein uL22 / Large ribosomal subunit protein eL24 / Large ribosomal subunit protein eL33 / Large ribosomal subunit protein eL29 / Large ribosomal subunit protein eL31 / Large ribosomal subunit protein eL21 ...Small ribosomal subunit protein eS32 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL16 / Small ribosomal subunit protein uS4 / Large ribosomal subunit protein uL22 / Large ribosomal subunit protein eL24 / Large ribosomal subunit protein eL33 / Large ribosomal subunit protein eL29 / Large ribosomal subunit protein eL31 / Large ribosomal subunit protein eL21 / Large ribosomal subunit protein uL29 / Small ribosomal subunit protein uS10 / Small ribosomal subunit protein RACK1 / Large ribosomal subunit protein eL6 / Large ribosomal subunit protein uL15 / Small ribosomal subunit protein uS15 / Large ribosomal subunit protein uL24 / Small ribosomal subunit protein eS1 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein uL6 / Large ribosomal subunit protein eL43 / Large ribosomal subunit protein uL18 / Small ribosomal subunit protein uS12 / Large ribosomal subunit protein eL42 / Large ribosomal subunit protein eL15 / 40S ribosomal protein S24 / Large ribosomal subunit protein uL14 / Ubiquitin-like FUBI-ribosomal protein eS30 fusion protein / 40S ribosomal protein S4 / Small ribosomal subunit protein eS25 / Large ribosomal subunit protein eL30 / Small ribosomal subunit protein eS26 / Small ribosomal subunit protein uS7 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein eS28 / Small ribosomal subunit protein uS2 / Small ribosomal subunit protein eS8 / Large ribosomal subunit protein uL3 / Small ribosomal subunit protein eS6 / Small ribosomal subunit protein eS21 / Small ribosomal subunit protein uS3 / Small ribosomal subunit protein uS13 / Uncharacterized protein / Small ribosomal subunit protein eS10 / Small ribosomal subunit protein uS17 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein eL39 / Large ribosomal subunit protein eL36 / Small ribosomal subunit protein eS17 / Large ribosomal subunit protein uL5 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein eL27 / Large ribosomal subunit protein eL34 / Large ribosomal subunit protein eL19 / Small ribosomal subunit protein eS27 / Small ribosomal subunit protein uS19 / Large ribosomal subunit protein eL32 / Small ribosomal subunit protein uS11 / Large ribosomal subunit protein eL28 / Small ribosomal subunit protein uS14 / Large ribosomal subunit protein eL14 / Large ribosomal subunit protein eL37 Similarity search - Component
Biological species
Oryctolagus cuniculus (rabbit)
Method
single particle reconstruction / cryo EM / Resolution: 2.8 Å
National Institutes of Health/National Cancer Institute (NIH/NCI)
United States
Citation
Journal: Mol Cell / Year: 2022 Title: Direct epitranscriptomic regulation of mammalian translation initiation through N4-acetylcytidine. Authors: Daniel Arango / David Sturgill / Renbin Yang / Tapan Kanai / Paulina Bauer / Jyoti Roy / Ziqiu Wang / Masaki Hosogane / Sarah Schiffers / Shalini Oberdoerffer / Abstract: mRNA function is influenced by modifications that modulate canonical nucleobase behavior. We show that a single modification mediates distinct impacts on mRNA translation in a position-dependent ...mRNA function is influenced by modifications that modulate canonical nucleobase behavior. We show that a single modification mediates distinct impacts on mRNA translation in a position-dependent manner. Although cytidine acetylation (ac4C) within protein-coding sequences stimulates translation, ac4C within 5' UTRs impacts protein synthesis at the level of initiation. 5' UTR acetylation promotes initiation at upstream sequences, competitively inhibiting annotated start codons. Acetylation further directly impedes initiation at optimal AUG contexts: ac4C within AUG-flanking Kozak sequences reduced initiation in base-resolved transcriptome-wide HeLa results and in vitro utilizing substrates with site-specific ac4C incorporation. Cryo-EM of mammalian 80S initiation complexes revealed that ac4C in the -1 position adjacent to an AUG start codon disrupts an interaction between C and hypermodified t6A at nucleotide 37 of the initiator tRNA. These findings demonstrate the impact of RNA modifications on nucleobase function at a molecular level and introduce mRNA acetylation as a factor regulating translation in a location-specific manner.
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