- EMDB-13954: Neuronal RNA granules are ribosome complexes stalled at the pre-t... -
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Basic information
Entry
Database: EMDB / ID: EMD-13954
Title
Neuronal RNA granules are ribosome complexes stalled at the pre-translocation state
Map data
Postprocessed map (Relion) of rat ribosome from neuronal RNA granules.
Sample
Complex: Ribosome structure in the rat cortex-hippocampus derived neuronal RNA granules.
RNA: x 5 types
Protein or peptide: x 77 types
RNA: x 2 types
Ligand: x 3 types
Keywords
Ribosome / RNA granule / rat
Function / homology
Function and homology information
regulation of myeloid dendritic cell activation / : / positive regulation of selenocysteine incorporation / Protein hydroxylation / : / mTORC1-mediated signalling / Translesion synthesis by REV1 / Recognition of DNA damage by PCNA-containing replication complex / APC/C:Cdc20 mediated degradation of Cyclin B / APC-Cdc20 mediated degradation of Nek2A ...regulation of myeloid dendritic cell activation / : / positive regulation of selenocysteine incorporation / Protein hydroxylation / : / mTORC1-mediated signalling / Translesion synthesis by REV1 / Recognition of DNA damage by PCNA-containing replication complex / APC/C:Cdc20 mediated degradation of Cyclin B / APC-Cdc20 mediated degradation of Nek2A / Activated NOTCH1 Transmits Signal to the Nucleus / Downregulation of TGF-beta receptor signaling / Regulation of FZD by ubiquitination / Regulation of TNFR1 signaling / TNFR1-induced NF-kappa-B signaling pathway / Translesion synthesis by POLK / Translesion synthesis by POLI / Termination of translesion DNA synthesis / Gap-filling DNA repair synthesis and ligation in GG-NER / Formation of TC-NER Pre-Incision Complex / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / Fanconi Anemia Pathway / Regulation of TP53 Degradation / Regulation of TP53 Activity through Methylation / Cyclin D associated events in G1 / Stabilization of p53 / PTK6 Regulates RTKs and Their Effectors AKT1 and DOK1 / Synthesis of active ubiquitin: roles of E1 and E2 enzymes / ER Quality Control Compartment (ERQC) / Interferon alpha/beta signaling / Endosomal Sorting Complex Required For Transport (ESCRT) / Negative regulators of DDX58/IFIH1 signaling / Activation of IRF3, IRF7 mediated by TBK1, IKKε (IKBKE) / IKK complex recruitment mediated by RIP1 / IRAK2 mediated activation of TAK1 complex / TRAF6-mediated induction of TAK1 complex within TLR4 complex / Alpha-protein kinase 1 signaling pathway / Inactivation of CSF3 (G-CSF) signaling / IRAK2 mediated activation of TAK1 complex upon TLR7/8 or 9 stimulation / Regulation of NF-kappa B signaling / Regulation of TBK1, IKKε (IKBKE)-mediated activation of IRF3, IRF7 / NOD1/2 Signaling Pathway / activated TAK1 mediates p38 MAPK activation / JNK (c-Jun kinases) phosphorylation and activation mediated by activated human TAK1 / Formation of Incision Complex in GG-NER / Dual Incision in GG-NER / E3 ubiquitin ligases ubiquitinate target proteins / Translesion Synthesis by POLH / Downregulation of ERBB2:ERBB3 signaling / TCF dependent signaling in response to WNT / Regulation of innate immune responses to cytosolic DNA / HDR through Homologous Recombination (HRR) / Downregulation of ERBB2 signaling / Regulation of signaling by CBL / Ovarian tumor domain proteases / Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks / DNA Damage Recognition in GG-NER / NOTCH3 Activation and Transmission of Signal to the Nucleus / Interleukin-1 signaling / Downregulation of ERBB4 signaling / Deactivation of the beta-catenin transactivating complex / Negative regulation of MET activity / Translation initiation complex formation / Formation of the ternary complex, and subsequently, the 43S complex / Ribosomal scanning and start codon recognition / Protein methylation / Regulation of PTEN localization / L13a-mediated translational silencing of Ceruloplasmin expression / SRP-dependent cotranslational protein targeting to membrane / Josephin domain DUBs / Formation of a pool of free 40S subunits / GTP hydrolysis and joining of the 60S ribosomal subunit / Nonsense Mediated Decay (NMD) independent of the Exon Junction Complex (EJC) / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / 5.8S rRNA binding / RMTs methylate histone arginines / Major pathway of rRNA processing in the nucleolus and cytosol / Pexophagy / cellular response to Thyroid stimulating hormone / Stimuli-sensing channels / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / Metalloprotease DUBs / Regulation of necroptotic cell death / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / Autodegradation of Cdh1 by Cdh1:APC/C / SCF-beta-TrCP mediated degradation of Emi1 / APC/C:Cdc20 mediated degradation of Securin / APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / SCF(Skp2)-mediated degradation of p27/p21 / NRIF signals cell death from the nucleus / NF-kB is activated and signals survival / Autodegradation of the E3 ubiquitin ligase COP1 / Asymmetric localization of PCP proteins / Degradation of DVL / Hedgehog ligand biogenesis / Dectin-1 mediated noncanonical NF-kB signaling / Degradation of GLI1 by the proteasome / Hedgehog 'on' state Similarity search - Function
Ribosomal protein L14, KOW motif / 40S ribosomal protein SA / 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 L2, archaeal-type / Ribosomal L15/L27a, N-terminal ...Ribosomal protein L14, KOW motif / 40S ribosomal protein SA / 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 L2, archaeal-type / Ribosomal L15/L27a, N-terminal / Ribosomal protein L28e / Ribosomal protein L23 / Ribosomal L28e/Mak16 / Ribosomal L28e protein family / 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 L1, conserved site / Ribosomal protein S26e / Ribosomal protein S26e superfamily / Ribosomal protein S26e / Ribosomal protein L1 signature. / : / Ribosomal protein S12e signature. / Ribosomal protein L1 / Ribosomal protein S12e / Ribosomal protein L29e / Ribosomal L29e protein family / Ribosomal protein S19e, conserved site / Ribosomal protein S19e signature. / Small (40S) ribosomal subunit Asc1/RACK1 / Ribosomal protein S5, eukaryotic/archaeal / Ribosomal protein S21e / Ribosomal protein S21e superfamily / Ribosomal protein S21e / Ribosomal protein L13e, conserved site / Ribosomal protein L13e signature. / Ribosomal protein S2, eukaryotic / S27a-like superfamily / Ribosomal protein L22e / Ribosomal protein L22e superfamily / Ribosomal L22e protein family / Ribosomal protein L10e, conserved site / Ribosomal protein L10e signature. / Ribosomal protein L27e, conserved site / Ribosomal protein L27e signature. / Ribosomal protein L10e / 40S Ribosomal protein S10 / Ribosomal protein L38e / Ribosomal protein L38e superfamily / Ribosomal L38e protein family / : / Ribosomal protein S7e signature. / Ribosomal protein L44e signature. / Ribosomal protein L1, 3-layer alpha/beta-sandwich / Plectin/S10, N-terminal / Plectin/S10 domain / Ribosomal protein L24e, conserved site / Ribosomal protein L24e signature. / : / Ribosomal protein S10, eukaryotic/archaeal / Ribosomal protein L19, eukaryotic / Ribosomal protein L19/L19e conserved site / Ribosomal protein L19e signature. / Ribosomal protein L6e signature. / Ribosomal protein L13e / Ribosomal protein S8e subdomain, eukaryotes / Ribosomal protein L13e / 60S ribosomal protein L18a/ L20, eukaryotes / Ribosomal protein S25 / S25 ribosomal protein / Ribosomal protein S27a / Ribosomal protein S17e, conserved site / : / Ribosomal protein S27a / Ribosomal protein S17e signature. / Ribosomal protein S27a / Ribosomal protein S3Ae, conserved site / Ribosomal protein S3Ae signature. / Ribosomal protein L44e / Ribosomal protein S30 / Ribosomal protein L44 / Ribosomal protein S30 / Ribosomal protein S2, eukaryotic/archaeal / : / Ribosomal protein L34e, conserved site / Ribosomal protein L34e signature. / Ribosomal protein L5 eukaryotic, C-terminal / Ribosomal L18 C-terminal region / Ribosomal protein L30e signature 1. / 50S ribosomal protein L18Ae/60S ribosomal protein L20 and L18a / 40S ribosomal protein S29/30S ribosomal protein S14 type Z / Ribosomal L40e family / Ribosomal protein S27e signature. / Ribosomal protein 50S-L18Ae/60S-L20/60S-L18A Similarity search - Domain/homology
Large ribosomal subunit protein eL38 / Ribosomal protein L19 / Small ribosomal subunit protein uS14 / 40S ribosomal protein S26 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein RACK1 / Small ribosomal subunit protein uS19 / Ubiquitin-like domain-containing protein / Ribosomal protein L37 / Small ribosomal subunit protein uS12 ...Large ribosomal subunit protein eL38 / Ribosomal protein L19 / Small ribosomal subunit protein uS14 / 40S ribosomal protein S26 / Small ribosomal subunit protein uS8 / Small ribosomal subunit protein RACK1 / Small ribosomal subunit protein uS19 / Ubiquitin-like domain-containing protein / Ribosomal protein L37 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein eS28 / Large ribosomal subunit protein uL14 / Small ribosomal subunit protein uS15 / Small ribosomal subunit protein uS4 / Large ribosomal subunit protein eL43 / 40S ribosomal protein S25 / Ribosomal protein L36a / 40S ribosomal protein S27 / Large ribosomal subunit protein eL39 / 60S ribosomal protein L27 / Large ribosomal subunit protein uL2 / Small ribosomal subunit protein uS17 / Large ribosomal subunit protein uL22 / Small ribosomal subunit protein uS7 / Large ribosomal subunit protein eL34 / Large ribosomal subunit protein eL24 / Large ribosomal subunit protein eL28 / Large ribosomal subunit protein eL31 / Small ribosomal subunit protein uS13 / Ribosomal protein L15 / Small ribosomal subunit protein eS17 / Large ribosomal subunit protein eL33 / Large ribosomal subunit protein uL30 / Small ribosomal subunit protein eS21 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein eL18 / Large ribosomal subunit protein uL24 / Small ribosomal subunit protein uS11 / Small ribosomal subunit protein eS19 / Large ribosomal subunit protein uL6 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein uL3 / Large ribosomal subunit protein eL6 / Large ribosomal subunit protein eL29 / Small ribosomal subunit protein uS5 / Small ribosomal subunit protein uS2 / Large ribosomal subunit protein eL13 / Small ribosomal subunit protein eS1 / Large ribosomal subunit protein uL4 / Small ribosomal subunit protein uS10 / Small ribosomal subunit protein eS7 / Small ribosomal subunit protein eS8 / Large ribosomal subunit protein eL8 / Small ribosomal subunit protein eS4 / Large ribosomal subunit protein eL20 / Large ribosomal subunit protein uL23 / Small ribosomal subunit protein eS6 / Small ribosomal subunit protein eS24 / Large ribosomal subunit protein eL30 / Large ribosomal subunit protein uL1 / Small ribosomal subunit protein uS3 / Large ribosomal subunit protein eL32 / Large ribosomal subunit protein uL5 / Small ribosomal subunit protein eS32 / Ubiquitin-ribosomal protein eS31 fusion protein / Small ribosomal subunit protein eS12 / Small ribosomal subunit protein eS10 / Large ribosomal subunit protein uL13 / Small ribosomal subunit protein uS9 / Large ribosomal subunit protein eL14 / Ubiquitin-ribosomal protein eL40 fusion protein / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein eL22 / 60S ribosomal protein L21 / Large ribosomal subunit protein eL36 Similarity search - Component
Biological species
Rattus norvegicus (Norway rat)
Method
single particle reconstruction / cryo EM / Resolution: 2.86 Å
Journal: J Mol Biol / Year: 2022 Title: Neuronal RNA granules are ribosome complexes stalled at the pre-translocation state. Authors: Kalle Kipper / Abbas Mansour / Arto Pulk / Abstract: The polarized cell morphology of neurons dictates many neuronal processes, including the axodendridic transport of specific mRNAs and subsequent translation. mRNAs together with ribosomes and RNA- ...The polarized cell morphology of neurons dictates many neuronal processes, including the axodendridic transport of specific mRNAs and subsequent translation. mRNAs together with ribosomes and RNA-binding proteins form RNA granules that are targeted to axodendrites for localized translation in neurons. It has been established that localized protein synthesis in neurons is essential for long-term memory formation, synaptic plasticity, and neurodegeneration. We have used proteomics and electron microscopy to characterize neuronal RNA granules (nRNAg) isolated from rat brain tissues or human neuroblastoma. We show that ribosome-containing RNA granules are morula-like structures when visualized by electron microscopy. Crosslinking-coupled mass-spectrometry identified a potential G3BP2 binding site on the ribosome near the eIF3d-binding site on the 40S ribosomal subunit. We used cryo-EM to resolve the structure of the ribosome-component of nRNAg. The cryo-EM reveals that predominant particles in nRNAg are 80S ribosomes, resembling the pre-translocation state where tRNA's are in the hybrid A/P and P/E site. We also describe a new kind of principal motion of the ribosome, which we call the rocking motion.
Name: RNA (76-MER) / type: rna / ID: 80 Details: A/P and P/E tRNAs. For some reason it has united the two tRNAs into one molecule, although these are different molecules with different sequences. As the structure contains heterogeneous ...Details: A/P and P/E tRNAs. For some reason it has united the two tRNAs into one molecule, although these are different molecules with different sequences. As the structure contains heterogeneous population of tRNAs then the identity of tRNA is unknown. Number of copies: 1
Name: RNA (76-MER) / type: rna / ID: 81 Details: A/P and P/E tRNAs. For some reason it has united the two tRNAs into one molecule, although these are different molecules with different sequences.As the structure contains heterogeneous ...Details: A/P and P/E tRNAs. For some reason it has united the two tRNAs into one molecule, although these are different molecules with different sequences.As the structure contains heterogeneous population of tRNAs then the identity of tRNA is unknown. Number of copies: 1
Name: 60S ribosomal protein L13a / type: protein_or_peptide / ID: 50 Details: Please keep residue Gly 13 as it is. The Mass-spectrometry data shows that leading razor peptide for this protein is Uniprot Q5RK10. Number of copies: 1 / Enantiomer: LEVO
Name: 60S ribosomal protein L36 / type: protein_or_peptide / ID: 70 Details: Please keep the Gly 49 as it is. Mass-spectrometry data indicates that leading razor peptide is D4A1Q0. Number of copies: 1 / Enantiomer: LEVO
Model: C-flat-1.2/1.3 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: CONTINUOUS / Support film - Film thickness: 3 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 10 sec.
Vitrification
Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 10 K / Instrument: FEI VITROBOT MARK IV
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Electron microscopy
Microscope
FEI TITAN KRIOS
Image recording
Film or detector model: FEI FALCON III (4k x 4k) / Detector mode: INTEGRATING / Number grids imaged: 1 / Number real images: 3644 / Average electron dose: 30.0 e/Å2
Electron beam
Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
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