Complex: 50S ribosomal subunit with stalled P-tRNA-nascent chain, bound by YlmH
Protein or peptide: x 29 types
RNA: x 3 types
Ligand: x 5 types
Keywords
LSU / 50S / RQC / YlmH / RIBOSOME
Function / homology
Function and homology information
regulation of mitochondrial transcription / positive regulation of rRNA processing / nucleoid / rRNA processing / large ribosomal subunit / ribosomal small subunit biogenesis / small ribosomal subunit / transferase activity / 5S rRNA binding / large ribosomal subunit rRNA binding ...regulation of mitochondrial transcription / positive regulation of rRNA processing / nucleoid / rRNA processing / large ribosomal subunit / ribosomal small subunit biogenesis / small ribosomal subunit / transferase activity / 5S rRNA binding / large ribosomal subunit rRNA binding / cytosolic large ribosomal subunit / tRNA binding / cytoplasmic translation / rRNA binding / negative regulation of translation / ribosome / structural constituent of ribosome / ribonucleoprotein complex / translation / mRNA binding / DNA binding / RNA binding / metal ion binding / cytoplasm Similarity search - Function
: / YlmH, N-terminal / YlmH, putative RNA-binding domain / Putative RNA-binding domain in YlmH / Ribosomal protein L31 type A / Ribosomal protein L31 signature. / Ribosomal protein L31 / Ribosomal protein L31 superfamily / Ribosomal protein L31 / Ribosomal protein L21, conserved site ...: / YlmH, N-terminal / YlmH, putative RNA-binding domain / Putative RNA-binding domain in YlmH / Ribosomal protein L31 type A / Ribosomal protein L31 signature. / Ribosomal protein L31 / Ribosomal protein L31 superfamily / Ribosomal protein L31 / Ribosomal protein L21, conserved site / Ribosomal protein L21 signature. / Ribosomal protein L16 signature 1. / : / Ribosomal protein L6, conserved site / Ribosomal protein L6 signature 1. / Ribosomal protein L16, conserved site / Ribosomal protein L16 signature 2. / Ribosomal protein L17 signature. / Ribosomal protein L36 signature. / Ribosomal protein L28/L24 superfamily / Ribosomal protein L32p, bacterial type / Ribosomal protein L28 / Ribosomal protein L35, conserved site / Ribosomal protein L35 signature. / Ribosomal protein L33, conserved site / Ribosomal protein L33 signature. / Ribosomal protein L35, non-mitochondrial / Ribosomal protein L5, bacterial-type / Ribosomal protein L6, bacterial-type / Ribosomal protein L18, bacterial-type / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein L20 signature. / Ribosomal protein L27, conserved site / Ribosomal protein L27 signature. / Ribosomal protein L14P, bacterial-type / Ribosomal protein L34, conserved site / Ribosomal protein L34 signature. / Ribosomal protein L22, bacterial/chloroplast-type / Ribosomal protein L2, bacterial/organellar-type / Ribosomal protein L35 / Ribosomal protein L35 superfamily / Ribosomal protein L35 / Ribosomal L28 family / Ribosomal protein L33 / Ribosomal protein L33 / Ribosomal protein L28/L24 / Ribosomal protein L33 superfamily / Ribosomal protein L30, bacterial-type / : / Ribosomal protein L18 / Ribosomal L18 of archaea, bacteria, mitoch. and chloroplast / Ribosomal protein L16 / L28p-like / Ribosomal protein L20 / Ribosomal protein L20 / Ribosomal protein L20, C-terminal / Ribosomal protein L21 / Ribosomal protein L27 / Ribosomal L27 protein / Ribosomal protein L19 / Ribosomal protein L19 superfamily / Ribosomal protein L19 / Ribosomal proteins 50S L24/mitochondrial 39S L24 / Ribosomal protein L17 / Ribosomal protein L17 superfamily / Ribosomal protein L17 / Ribosomal protein L21-like / L21-like superfamily / Ribosomal prokaryotic L21 protein / Ribosomal L32p protein family / Ribosomal protein L24 / Ribosomal protein L32p / Ribosomal protein L34 / Ribosomal protein L34 / Ribosomal protein L13, bacterial-type / Ribosomal protein L3, bacterial/organelle-type / Ribosomal protein L15, bacterial-type / 50S ribosomal protein uL4 / Ribosomal protein L23/L25, conserved site / Ribosomal protein L23 signature. / Ribosomal protein L30, conserved site / Ribosomal protein L30 signature. / Ribosomal protein L5, conserved site / Ribosomal protein L5 signature. / Ribosomal protein L2 signature. / Ribosomal protein L29, conserved site / Ribosomal protein L29 signature. / : / Ribosomal protein L2, conserved site / Ribosomal protein L15, conserved site / Ribosomal protein L15 signature. / Ribosomal protein L5, N-terminal / Ribosomal protein L5 / Ribosomal protein L5, C-terminal / ribosomal L5P family C-terminus / Ribosomal protein L5 Similarity search - Domain/homology
Large ribosomal subunit protein bL19 / Large ribosomal subunit protein bL32 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein uL5 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein uL15 ...Large ribosomal subunit protein bL19 / Large ribosomal subunit protein bL32 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein uL29 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein uL5 / Large ribosomal subunit protein uL16 / Large ribosomal subunit protein uL15 / Large ribosomal subunit protein uL30 / Large ribosomal subunit protein bL17 / Large ribosomal subunit protein bL36 / Large ribosomal subunit protein bL21 / Large ribosomal subunit protein bL28 / Large ribosomal subunit protein uL22 / Large ribosomal subunit protein uL2 / Large ribosomal subunit protein uL3 / Large ribosomal subunit protein uL4 / Large ribosomal subunit protein uL23 / Large ribosomal subunit protein uL6 / Large ribosomal subunit protein uL18 / Large ribosomal subunit protein bL20 / Large ribosomal subunit protein bL35 / Large ribosomal subunit protein bL33A / Large ribosomal subunit protein uL13 / Putative RNA-binding protein YlmH / Large ribosomal subunit protein bL31 Similarity search - Component
Biological species
Bacillus subtilis subsp. subtilis str. 168 (bacteria)
Method
single particle reconstruction / cryo EM / Resolution: 1.96 Å
Journal: Nucleic Acids Res / Year: 2024 Title: A role for the S4-domain containing protein YlmH in ribosome-associated quality control in Bacillus subtilis. Authors: Hiraku Takada / Helge Paternoga / Keigo Fujiwara / Jose A Nakamoto / Esther N Park / Lyudmila Dimitrova-Paternoga / Bertrand Beckert / Merilin Saarma / Tanel Tenson / Allen R Buskirk / Gemma ...Authors: Hiraku Takada / Helge Paternoga / Keigo Fujiwara / Jose A Nakamoto / Esther N Park / Lyudmila Dimitrova-Paternoga / Bertrand Beckert / Merilin Saarma / Tanel Tenson / Allen R Buskirk / Gemma C Atkinson / Shinobu Chiba / Daniel N Wilson / Vasili Hauryliuk / Abstract: Ribosomes trapped on mRNAs during protein synthesis need to be rescued for the cell to survive. The most ubiquitous bacterial ribosome rescue pathway is trans-translation mediated by tmRNA and SmpB. ...Ribosomes trapped on mRNAs during protein synthesis need to be rescued for the cell to survive. The most ubiquitous bacterial ribosome rescue pathway is trans-translation mediated by tmRNA and SmpB. Genetic inactivation of trans-translation can be lethal, unless ribosomes are rescued by ArfA or ArfB alternative rescue factors or the ribosome-associated quality control (RQC) system, which in Bacillus subtilis involves MutS2, RqcH, RqcP and Pth. Using transposon sequencing in a trans-translation-incompetent B. subtilis strain we identify a poorly characterized S4-domain-containing protein YlmH as a novel potential RQC factor. Cryo-EM structures reveal that YlmH binds peptidyl-tRNA-50S complexes in a position analogous to that of S4-domain-containing protein RqcP, and that, similarly to RqcP, YlmH can co-habit with RqcH. Consistently, we show that YlmH can assume the role of RqcP in RQC by facilitating the addition of poly-alanine tails to truncated nascent polypeptides. While in B. subtilis the function of YlmH is redundant with RqcP, our taxonomic analysis reveals that in multiple bacterial phyla RqcP is absent, while YlmH and RqcH are present, suggesting that in these species YlmH plays a central role in the RQC.
Model: Quantifoil R3/3 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: CONTINUOUS / Support film - Film thickness: 3
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