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- EMDB-13308: Cryo-EM structure of the GroEL-GroES complex with ADP bound to bo... -

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Basic information

Entry
Database: EMDB / ID: EMD-13308
TitleCryo-EM structure of the GroEL-GroES complex with ADP bound to both rings ("tight" conformation).
Map dataLocally sharpened C7 map of "tight" conformation of the GroEL-GroES complex. ADP bound to both rings.
Sample
  • Complex: ADP-bound GroEL-GroES complex
    • Protein or peptide: 10 kDa chaperonin
  • Protein or peptide: 60 kDa chaperonin
  • Ligand: ADENOSINE-5'-DIPHOSPHATE
  • Ligand: MAGNESIUM ION
Function / homology
Function and homology information


GroEL-GroES complex / chaperonin ATPase / virion assembly / chaperone cofactor-dependent protein refolding / protein folding chaperone / isomerase activity / ATP-dependent protein folding chaperone / response to radiation / unfolded protein binding / protein folding ...GroEL-GroES complex / chaperonin ATPase / virion assembly / chaperone cofactor-dependent protein refolding / protein folding chaperone / isomerase activity / ATP-dependent protein folding chaperone / response to radiation / unfolded protein binding / protein folding / response to heat / protein-folding chaperone binding / protein refolding / magnesium ion binding / ATP hydrolysis activity / ATP binding / membrane / identical protein binding / metal ion binding / cytosol
Similarity search - Function
Chaperonin GroES, conserved site / Chaperonins cpn10 signature. / Chaperonin 10 Kd subunit / GroES chaperonin family / GroES chaperonin superfamily / Chaperonin 10 Kd subunit / Chaperonin Cpn60, conserved site / Chaperonins cpn60 signature. / Chaperonin Cpn60/GroEL / GroEL-like equatorial domain superfamily ...Chaperonin GroES, conserved site / Chaperonins cpn10 signature. / Chaperonin 10 Kd subunit / GroES chaperonin family / GroES chaperonin superfamily / Chaperonin 10 Kd subunit / Chaperonin Cpn60, conserved site / Chaperonins cpn60 signature. / Chaperonin Cpn60/GroEL / GroEL-like equatorial domain superfamily / TCP-1-like chaperonin intermediate domain superfamily / GroEL-like apical domain superfamily / TCP-1/cpn60 chaperonin family / Chaperonin Cpn60/GroEL/TCP-1 family / GroES-like superfamily
Similarity search - Domain/homology
Chaperonin GroEL / Co-chaperonin GroES
Similarity search - Component
Biological speciesEscherichia coli str. K-12 substr. W3110 (bacteria) / Escherichia coli (strain K12) (bacteria)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.43 Å
AuthorsPichkur EB / Stanishneva-Konovalova TB
Funding support Russian Federation, 1 items
OrganizationGrant numberCountry
Russian Science Foundation19-74-20055 Russian Federation
CitationJournal: Sci Rep / Year: 2021
Title: Novel cryo-EM structure of an ADP-bound GroEL-GroES complex.
Authors: Sofia S Kudryavtseva / Evgeny B Pichkur / Igor A Yaroshevich / Aleksandra A Mamchur / Irina S Panina / Andrei V Moiseenko / Olga S Sokolova / Vladimir I Muronetz / Tatiana B Stanishneva-Konovalova /
Abstract: The GroEL-GroES chaperonin complex is a bacterial protein folding system, functioning in an ATP-dependent manner. Upon ATP binding and hydrolysis, it undergoes multiple stages linked to substrate ...The GroEL-GroES chaperonin complex is a bacterial protein folding system, functioning in an ATP-dependent manner. Upon ATP binding and hydrolysis, it undergoes multiple stages linked to substrate protein binding, folding and release. Structural methods helped to reveal several conformational states and provide more information about the chaperonin functional cycle. Here, using cryo-EM we resolved two nucleotide-bound structures of the bullet-shaped GroEL-GroES complex at 3.4 Å resolution. The main difference between them is the relative orientation of their apical domains. Both structures contain nucleotides in cis and trans GroEL rings; in contrast to previously reported bullet-shaped complexes where nucleotides were only present in the cis ring. Our results suggest that the bound nucleotides correspond to ADP, and that such a state appears at low ATP:ADP ratios.
History
DepositionAug 2, 2021-
Header (metadata) releaseNov 24, 2021-
Map releaseNov 24, 2021-
UpdateDec 1, 2021-
Current statusDec 1, 2021Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 1.5
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by cylindrical radius
  • Surface level: 1.5
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7pbx
  • Surface level: 1.5
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_13308.png

Downloads & links

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Map

FileDownload / File: emd_13308.map.gz / Format: CCP4 / Size: 216 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationLocally sharpened C7 map of "tight" conformation of the GroEL-GroES complex. ADP bound to both rings.
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.11 Å/pix.
x 384 pix.
= 425.088 Å		1.11 Å/pix.
x 384 pix.
= 425.088 Å		1.11 Å/pix.
x 384 pix.
= 425.088 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.107 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 1.5 / Movie #1: 1.5
Minimum - Maximum-1.0360032 - 5.5661054
Average (Standard dev.)0.022802083 (±0.18675648)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions384384384
Spacing384384384
CellA=B=C: 425.088 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.1071.1071.107
M x/y/z384384384
origin x/y/z0.0000.0000.000
length x/y/z425.088425.088425.088
α/β/γ90.00090.00090.000
start NX/NY/NZ000
NX/NY/NZ260260260
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS384384384
D min/max/mean-1.0365.5660.023

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Supplemental data

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Mask #1

Fileemd_13308_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: Locally sharpened C1 map.

Fileemd_13308_additional_1.map
AnnotationLocally sharpened C1 map.
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half1

Fileemd_13308_half_map_1.map
AnnotationHalf1
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half2

Fileemd_13308_half_map_2.map
AnnotationHalf2
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : ADP-bound GroEL-GroES complex

EntireName: ADP-bound GroEL-GroES complex
Components
  • Complex: ADP-bound GroEL-GroES complex
    • Protein or peptide: 10 kDa chaperonin
  • Protein or peptide: 60 kDa chaperonin
  • Ligand: ADENOSINE-5'-DIPHOSPHATE
  • Ligand: MAGNESIUM ION

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Supramolecule #1: ADP-bound GroEL-GroES complex

SupramoleculeName: ADP-bound GroEL-GroES complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #2
Source (natural)Organism: Escherichia coli str. K-12 substr. W3110 (bacteria)
Recombinant expressionOrganism: Escherichia coli str. K-12 substr. W3110 (bacteria)
Molecular weightTheoretical: 882 KDa

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Macromolecule #1: 60 kDa chaperonin

MacromoleculeName: 60 kDa chaperonin / type: protein_or_peptide / ID: 1
Details: GroEL from Escherichia coli str. K-12 substr. W3110
Number of copies: 14 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain K12) (bacteria) / Strain: K12
Molecular weightTheoretical: 55.220105 KDa
Recombinant expressionOrganism: Escherichia coli str. K-12 substr. W3110 (bacteria)
SequenceString: AAKDVKFGND ARVKMLRGVN VLADAVKVTL GPKGRNVVLD KSFGAPTITK DGVSVAREIE LEDKFENMGA QMVKEVASKA NDAAGDGTT TATVLAQAII TEGLKAVAAG MNPMDLKRGI DKAVTAAVEE LKALSVPCSD SKAIAQVGTI SANSDETVGK L IAEAMDKV ...String:
AAKDVKFGND ARVKMLRGVN VLADAVKVTL GPKGRNVVLD KSFGAPTITK DGVSVAREIE LEDKFENMGA QMVKEVASKA NDAAGDGTT TATVLAQAII TEGLKAVAAG MNPMDLKRGI DKAVTAAVEE LKALSVPCSD SKAIAQVGTI SANSDETVGK L IAEAMDKV GKEGVITVED GTGLQDELDV VEGMQFDRGY LSPYFINKPE TGAVELESPF ILLADKKISN IREMLPVLEA VA KAGKPLL IIAEDVEGEA LATLVVNTMR GIVKVAAVKA PGFGDRRKAM LQDIATLTGG TVISEEIGME LEKATLEDLG QAK RVVINK DTTTIIDGVG EEAAIQGRVA QIRQQIEEAT SDYDREKLQE RVAKLAGGVA VIKVGAATEV EMKEKKARVE DALH ATRAA VEEGVVAGGG VALIRVASKL ADLRGQNEDQ NVGIKVALRA MEAPLRQIVL NCGEEPSVVA NTVKGGDGNY GYNAA TEEY GNMIDMGILD PTKVTRSALQ YAASVAGLMI TTECMVTDLP

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Macromolecule #2: 10 kDa chaperonin

MacromoleculeName: 10 kDa chaperonin / type: protein_or_peptide / ID: 2
Details: GroES from Escherichia coli str. K-12 substr. W3110
Number of copies: 7 / Enantiomer: LEVO
Source (natural)Organism: Escherichia coli (strain K12) (bacteria) / Strain: K12
Molecular weightTheoretical: 10.400938 KDa
Recombinant expressionOrganism: Escherichia coli str. K-12 substr. W3110 (bacteria)
SequenceString:
MNIRPLHDRV IVKRKEVETK SAGGIVLTGS AAAKSTRGEV LAVGNGRILE NGEVKPLDVK VGDIVIFNDG YGVKSEKIDN EEVLIMSES DILAIVEA

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Macromolecule #3: ADENOSINE-5'-DIPHOSPHATE

MacromoleculeName: ADENOSINE-5'-DIPHOSPHATE / type: ligand / ID: 3 / Number of copies: 14 / Formula: ADP
Molecular weightTheoretical: 427.201 Da
Chemical component information

ChemComp-ADP:
ADENOSINE-5'-DIPHOSPHATE / ADP, energy-carrying molecule*YM / Adenosine diphosphate

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Macromolecule #4: MAGNESIUM ION

MacromoleculeName: MAGNESIUM ION / type: ligand / ID: 4 / Number of copies: 14 / Formula: MG
Molecular weightTheoretical: 24.305 Da

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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

Concentration1 mg/mL
BufferpH: 7.5
GridModel: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY ARRAY
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 4.5 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 100.0 µm / Illumination mode: SPOT SCAN / Imaging mode: BRIGHT FIELDBright-field microscopy / Cs: 0.01 mm
Image recordingFilm or detector model: FEI FALCON II (4k x 4k) / Detector mode: INTEGRATING / Average electron dose: 100.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.43 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 3.2) / Number images used: 41000
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial modelPDB ID:

1sx4

Output model

PDB-7pbx:
Cryo-EM structure of the GroEL-GroES complex with ADP bound to both rings ("tight" conformation).

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