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- EMDB-14156: Cryo-EM reconstruction of the Bacillus subtilis MutS2-collided di... -

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Basic information

Entry
Database: EMDB / ID: EMD-14156
TitleCryo-EM reconstruction of the Bacillus subtilis MutS2-collided disome complex (MutS2 conf.1; Leading 70S)
Map data
Sample
  • Complex: Collided disome from Bacillus subtilis
KeywordsCollision / MutS2 / disome / RQC / ssra / ribosomal collision / mRNA endonuclease / RIBOSOME
Function / homology
Function and homology information


mismatched DNA binding / positive regulation of rRNA processing / negative regulation of DNA recombination / nucleoid / mismatch repair / rRNA processing / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / large ribosomal subunit / ribosomal small subunit assembly ...mismatched DNA binding / positive regulation of rRNA processing / negative regulation of DNA recombination / nucleoid / mismatch repair / rRNA processing / ribosomal small subunit biogenesis / small ribosomal subunit rRNA binding / large ribosomal subunit / ribosomal small subunit assembly / small ribosomal subunit / 5S rRNA binding / large ribosomal subunit rRNA binding / transferase activity / double-stranded DNA binding / cytosolic small ribosomal subunit / ribosomal large subunit assembly / cytoplasmic translation / endonuclease activity / cytosolic large ribosomal subunit / tRNA binding / Hydrolases; Acting on ester bonds / negative regulation of translation / rRNA binding / ribosome / structural constituent of ribosome / ribonucleoprotein complex / translation / response to antibiotic / mRNA binding / ATP hydrolysis activity / DNA binding / RNA binding / zinc ion binding / ATP binding / metal ion binding / cytosol / cytoplasm
Similarity search - Function
: / Endonuclease MutS2 / MutS2 and Smr-associated SH3 domain / MutS2 and Smr-associated SH3 domain / Smr domain / Small MutS-related domain / Smr domain superfamily / Smr domain / Smr domain profile. / DNA mismatch repair protein MutS, C-terminal ...: / Endonuclease MutS2 / MutS2 and Smr-associated SH3 domain / MutS2 and Smr-associated SH3 domain / Smr domain / Small MutS-related domain / Smr domain superfamily / Smr domain / Smr domain profile. / DNA mismatch repair protein MutS, C-terminal / DNA mismatch repair protein MutS, core / DNA mismatch repair protein MutS, core domain superfamily / MutS domain V / DNA mismatch repair proteins mutS family signature. / DNA-binding domain of DNA mismatch repair MUTS family / ATPase domain of DNA mismatch repair MUTS family / : / Ribosomal protein S14, type Z / Ribosomal protein S21, conserved site / Ribosomal protein S21 signature. / Ribosomal protein L31 type A / Ribosomal protein S21 superfamily / Ribosomal protein S21 / Ribosomal protein S16, conserved site / Ribosomal protein S16 signature. / Ribosomal protein S21 / 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 L9 signature. / Ribosomal protein L9, bacteria/chloroplast / Ribosomal protein L9, C-terminal / Ribosomal protein L9, C-terminal domain / Ribosomal protein L9, C-terminal domain superfamily / Ribosomal protein L17 signature. / Ribosomal protein L36 signature. / Ribosomal protein L28/L24 superfamily / Ribosomal protein L32p, bacterial type / Ribosomal protein L9, N-terminal domain superfamily / Ribosomal protein L9 / Ribosomal protein L9, N-terminal / Ribosomal protein L9, N-terminal domain / : / : / 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 L18, bacterial-type / Ribosomal protein L6, bacterial-type / Ribosomal protein S14/S29 / Ribosomal protein L9/RNase H1, N-terminal / Ribosomal protein L19, conserved site / Ribosomal protein L19 signature. / Ribosomal protein S3, bacterial-type / Ribosomal protein S6, conserved site / Ribosomal protein S6 signature. / Ribosomal protein S19, bacterial-type / Ribosomal protein S13, bacterial-type / Ribosomal protein L36 / Ribosomal protein L36 superfamily / Ribosomal protein L36 / Ribosomal protein S7, bacterial/organellar-type / Ribosomal protein S11, bacterial-type / Ribosomal protein S20 / Ribosomal protein S20 superfamily / Ribosomal protein S20 / Ribosomal protein L20 signature. / Ribosomal protein S9, bacterial/plastid / Ribosomal protein L27, conserved site / Ribosomal protein L27 signature. / Ribosomal protein S4, bacterial-type / 30S ribosomal protein S17 / Ribosomal protein S5, bacterial-type / Ribosomal protein L14P, bacterial-type / Ribosomal protein S6, plastid/chloroplast / Ribosomal protein L22, bacterial/chloroplast-type / Ribosomal protein L2, bacterial/organellar-type / Ribosomal protein L35 / Ribosomal protein L35 superfamily / Ribosomal protein L35 / Ribosomal protein L34, conserved site / Ribosomal L28 family / Ribosomal protein L34 signature. / Ribosomal protein L33 / Ribosomal protein L33 / Ribosomal protein L28/L24 / Ribosomal protein L18
Similarity search - Domain/homology
Large ribosomal subunit protein bL19 / Large ribosomal subunit protein bL32 / Small ribosomal subunit protein uS11 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein uL29 / Small ribosomal subunit protein uS17 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein uL5 ...Large ribosomal subunit protein bL19 / Large ribosomal subunit protein bL32 / Small ribosomal subunit protein uS11 / Large ribosomal subunit protein bL34 / Large ribosomal subunit protein bL27 / Large ribosomal subunit protein uL24 / Large ribosomal subunit protein uL29 / Small ribosomal subunit protein uS17 / Large ribosomal subunit protein uL14 / Large ribosomal subunit protein uL5 / Small ribosomal subunit protein uS14B / Small ribosomal subunit protein uS8 / 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 / Small ribosomal subunit protein uS13 / Small ribosomal subunit protein uS3 / Small ribosomal subunit protein uS4 / Small ribosomal subunit protein uS5 / Small ribosomal subunit protein bS6 / Small ribosomal subunit protein uS7 / Small ribosomal subunit protein uS9 / Small ribosomal subunit protein uS10 / Small ribosomal subunit protein uS12 / Small ribosomal subunit protein uS15 / Small ribosomal subunit protein bS16 / Small ribosomal subunit protein bS18 / Small ribosomal subunit protein uS19 / Small ribosomal subunit protein bS20 / Small ribosomal subunit protein bS21 / Large ribosomal subunit protein bL21 / Large ribosomal subunit protein bL9 / 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 / Endonuclease MutS2 / Large ribosomal subunit protein bL31
Similarity search - Component
Biological speciesBacillus subtilis subsp. subtilis str. 168 (bacteria)
Methodsingle particle reconstruction / cryo EM / Resolution: 5.68 Å
AuthorsFilbeck S / Pfeffer S
Funding support Germany, 1 items
OrganizationGrant numberCountry
German Research Foundation (DFG) Germany
CitationJournal: Nature / Year: 2022
Title: Bacterial ribosome collision sensing by a MutS DNA repair ATPase paralogue.
Authors: Federico Cerullo / Sebastian Filbeck / Pratik Rajendra Patil / Hao-Chih Hung / Haifei Xu / Julia Vornberger / Florian W Hofer / Jaro Schmitt / Guenter Kramer / Bernd Bukau / Kay Hofmann / ...Authors: Federico Cerullo / Sebastian Filbeck / Pratik Rajendra Patil / Hao-Chih Hung / Haifei Xu / Julia Vornberger / Florian W Hofer / Jaro Schmitt / Guenter Kramer / Bernd Bukau / Kay Hofmann / Stefan Pfeffer / Claudio A P Joazeiro /
Abstract: Ribosome stalling during translation is detrimental to cellular fitness, but how this is sensed and elicits recycling of ribosomal subunits and quality control of associated mRNA and incomplete ...Ribosome stalling during translation is detrimental to cellular fitness, but how this is sensed and elicits recycling of ribosomal subunits and quality control of associated mRNA and incomplete nascent chains is poorly understood. Here we uncover Bacillus subtilis MutS2, a member of the conserved MutS family of ATPases that function in DNA mismatch repair, as an unexpected ribosome-binding protein with an essential function in translational quality control. Cryo-electron microscopy analysis of affinity-purified native complexes shows that MutS2 functions in sensing collisions between stalled and translating ribosomes and suggests how ribosome collisions can serve as platforms to deploy downstream processes: MutS2 has an RNA endonuclease small MutS-related (SMR) domain, as well as an ATPase/clamp domain that is properly positioned to promote ribosomal subunit dissociation, which is a requirement both for ribosome recycling and for initiation of ribosome-associated protein quality control (RQC). Accordingly, MutS2 promotes nascent chain modification with alanine-tail degrons-an early step in RQC-in an ATPase domain-dependent manner. The relevance of these observations is underscored by evidence of strong co-occurrence of MutS2 and RQC genes across bacterial phyla. Overall, the findings demonstrate a deeply conserved role for ribosome collisions in mounting a complex response to the interruption of translation within open reading frames.
History
DepositionJan 19, 2022-
Header (metadata) releaseMar 9, 2022-
Map releaseMar 9, 2022-
UpdateDec 13, 2023-
Current statusDec 13, 2023Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.0172
  • Imaged by UCSF Chimera
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  • Surface view colored by cylindrical radius
  • Surface level: 0.0172
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_14156.png

Downloads & links

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Map

FileDownload / File: emd_14156.map.gz / Format: CCP4 / Size: 190.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.61 Å/pix.
x 368 pix.
= 590.64 Å		1.61 Å/pix.
x 368 pix.
= 590.64 Å		1.61 Å/pix.
x 368 pix.
= 590.64 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.605 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.0172 / Movie #1: 0.0172
Minimum - Maximum-0.23767768 - 0.37745398
Average (Standard dev.)0.00064031 (±0.009350733)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions368368368
Spacing368368368
CellA=B=C: 590.64 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.6051.6051.605
M x/y/z368368368
origin x/y/z0.0000.0000.000
length x/y/z590.640590.640590.640
α/β/γ90.00090.00090.000
start NX/NY/NZ000
NX/NY/NZ640640640
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS368368368
D min/max/mean-0.2380.3770.001

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Supplemental data

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Sample components

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Entire : Collided disome from Bacillus subtilis

EntireName: Collided disome from Bacillus subtilis
Components
  • Complex: Collided disome from Bacillus subtilis

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Supramolecule #1: Collided disome from Bacillus subtilis

SupramoleculeName: Collided disome from Bacillus subtilis / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#53
Source (natural)Organism: Bacillus subtilis subsp. subtilis str. 168 (bacteria)

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.4
GridModel: Quantifoil R2/1 / Material: COPPER / Mesh: 200 / Support film - Material: CARBON / Support film - topology: HOLEY
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 46.5 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.75 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 8297591
Startup modelType of model: OTHER
Details: Internal Cryo-EM reconstruction of the 70S ribosome
Final reconstructionResolution.type: BY AUTHOR / Resolution: 5.68 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3.1) / Number images used: 3645
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: PROJECTION MATCHING / Software - Name: RELION (ver. 3.1)

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