MAP kinase activity / translation regulator activity / rescue of stalled ribosome / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / maturation of SSU-rRNA / protein kinase C binding / ribosome binding / ribosomal small subunit assembly / small ribosomal subunit / cytosolic small ribosomal subunit ...MAP kinase activity / translation regulator activity / rescue of stalled ribosome / maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / maturation of SSU-rRNA / protein kinase C binding / ribosome binding / ribosomal small subunit assembly / small ribosomal subunit / cytosolic small ribosomal subunit / rRNA binding / ribosome / intracellular signal transduction / structural constituent of ribosome / ribonucleoprotein complex / translation / positive regulation of protein phosphorylation / mRNA binding / RNA binding / zinc ion binding / ATP binding / nucleus / cytoplasm / cytosol Similarity search - Function
SPARK domain / SPARK / Ribosomal protein S19e, conserved site / Ribosomal protein S19e signature. / Small (40S) ribosomal subunit Asc1/RACK1 / 40S Ribosomal protein S10 / Ribosomal protein S10, eukaryotic/archaeal / Mitogen-activated protein (MAP) kinase, conserved site / MAP kinase signature. / Plectin/S10, N-terminal ...SPARK domain / SPARK / Ribosomal protein S19e, conserved site / Ribosomal protein S19e signature. / Small (40S) ribosomal subunit Asc1/RACK1 / 40S Ribosomal protein S10 / Ribosomal protein S10, eukaryotic/archaeal / Mitogen-activated protein (MAP) kinase, conserved site / MAP kinase signature. / Plectin/S10, N-terminal / Plectin/S10 domain / Ribosomal protein S25 / S25 ribosomal protein / Ribosomal protein S17e, conserved site / Ribosomal protein S17e signature. / 40S ribosomal protein S29/30S ribosomal protein S14 type Z / Ribosomal protein S3, eukaryotic/archaeal / Ribosomal protein S19e / Ribosomal protein S19e / Ribosomal_S19e / Ribosomal protein S19A/S15e / Ribosomal protein S17e / Ribosomal protein S17e-like superfamily / Ribosomal S17 / Ribosomal protein S28e conserved site / Ribosomal protein S28e signature. / Ribosomal protein S28e / Ribosomal protein S28e / Ribosomal protein S5/S7, eukaryotic/archaeal / Ribosomal protein S14/S29 / Ribosomal protein S3, conserved site / Ribosomal protein S3 signature. / Ribosomal protein S10, conserved site / Ribosomal protein S10 signature. / KH domain / Type-2 KH domain profile. / K Homology domain, type 2 / Ribosomal protein S3, C-terminal / Ribosomal protein S3, C-terminal domain / Ribosomal protein S3, C-terminal domain superfamily / Ribosomal protein S15/S19, conserved site / Ribosomal protein S19 signature. / Ribosomal protein S10 / Ribosomal protein S19/S15 / Ribosomal protein S19/S15, superfamily / Ribosomal protein S19 / Ribosomal protein S7, conserved site / Ribosomal protein S7 signature. / K homology domain superfamily, prokaryotic type / Ribosomal protein S13, conserved site / Ribosomal protein S13 signature. / Ribosomal protein S13 / 30s ribosomal protein S13, C-terminal / Ribosomal protein S13/S18 / Ribosomal protein S13 family profile. / Ribosomal protein S14 / Ribosomal protein S14p/S29e / K homology domain-like, alpha/beta / Ribosomal protein S10p/S20e / Ribosomal protein S10 domain / Ribosomal protein S10 domain superfamily / Ribosomal protein S10p/S20e / Ribosomal protein S9, conserved site / Ribosomal protein S9 signature. / Ribosomal protein S13-like, H2TH / Ribosomal protein S5/S7 / Ribosomal protein S7 domain / Ribosomal protein S7 domain superfamily / Ribosomal protein S7p/S5e / Ribosomal protein S9 / Ribosomal protein S9/S16 / Ribosomal protein S5 domain 2-type fold, subgroup / G-protein beta WD-40 repeat / Winged helix DNA-binding domain superfamily / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / Ribosomal protein S5 domain 2-type fold / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD domain, G-beta repeat / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / Winged helix-like DNA-binding domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / Protein kinase domain / Serine/Threonine protein kinases, catalytic domain / Nucleic acid-binding, OB-fold / Protein kinase, ATP binding site / Protein kinases ATP-binding region signature. / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily Similarity search - Domain/homology
40S ribosomal protein S29 / Small ribosomal subunit protein uS10 domain-containing protein / 40S ribosomal protein S25 / 40S ribosomal protein S15 / 40S ribosomal protein S18 / 40S ribosomal protein S19 / 40S ribosomal protein S16 / Protein kinase domain-containing protein / KH type-2 domain-containing protein / Small ribosomal subunit protein uS7 domain-containing protein ...40S ribosomal protein S29 / Small ribosomal subunit protein uS10 domain-containing protein / 40S ribosomal protein S25 / 40S ribosomal protein S15 / 40S ribosomal protein S18 / 40S ribosomal protein S19 / 40S ribosomal protein S16 / Protein kinase domain-containing protein / KH type-2 domain-containing protein / Small ribosomal subunit protein uS7 domain-containing protein / Plectin/eS10 N-terminal domain-containing protein / 40S ribosomal protein S28 / Small ribosomal subunit protein eS17 Similarity search - Component
Biological species
Solanum lycopersicum (tomato)
Method
single particle reconstruction / cryo EM / Resolution: 2.58 Å
Journal: Plant Commun / Year: 2022 Title: Cryo-EM structure and rRNA modification sites of a plant ribosome. Authors: Patrick Cottilli / Yuzuru Itoh / Yuko Nobe / Anton S Petrov / Purificación Lisón / Masato Taoka / Alexey Amunts / Abstract: Protein synthesis in crop plants contributes to the balance of food and fuel on our planet, which influences human metabolic activity and lifespan. Protein synthesis can be regulated with respect to ...Protein synthesis in crop plants contributes to the balance of food and fuel on our planet, which influences human metabolic activity and lifespan. Protein synthesis can be regulated with respect to changing environmental cues via the deposition of chemical modifications into rRNA. Here, we present the structure of a plant ribosome from tomato and a quantitative mass spectrometry analysis of its rRNAs. The study reveals fine features of the ribosomal proteins and 71 plant-specific rRNA modifications, and it re-annotates 30 rRNA residues in the available sequence. At the protein level, isoAsp is found in position 137 of uS11, and a zinc finger previously believed to be universal is missing from eL34, suggesting a lower effect of zinc deficiency on protein synthesis in plants. At the rRNA level, the plant ribosome differs markedly from its human counterpart with respect to the spatial distribution of modifications. Thus, it represents an additional layer of gene expression regulation, highlighting the molecular signature of a plant ribosome. The results provide a reference model of a plant ribosome for structural studies and an accurate marker for molecular ecology.
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