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- EMDB-9196: ADP-bound human mitochondrial Hsp60-Hsp10 half-football complex -

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Basic information

Entry
Database: EMDB / ID: EMD-9196
TitleADP-bound human mitochondrial Hsp60-Hsp10 half-football complex
Map dataADP-bound mHsp60-mHsp10 half-football complex
Sample
  • Complex: Half-football complex of Hsp60 with Hsp10 bound to ADP and Mg
    • Protein or peptide: 60 kDa heat shock protein, mitochondrial
    • Protein or peptide: 10 kDa heat shock protein, mitochondrial
  • Ligand: ADENOSINE-5'-DIPHOSPHATE
  • Ligand: MAGNESIUM ION
KeywordsComplex / ADP / Half-football / CHAPERONE
Function / homology
Function and homology information


coated vesicle / isotype switching to IgG isotypes / mitochondrial unfolded protein response / TFAP2A acts as a transcriptional repressor during retinoic acid induced cell differentiation / apolipoprotein A-I binding / lipopolysaccharide receptor complex / protein import into mitochondrial intermembrane space / migrasome / high-density lipoprotein particle binding / positive regulation of T cell mediated immune response to tumor cell ...coated vesicle / isotype switching to IgG isotypes / mitochondrial unfolded protein response / TFAP2A acts as a transcriptional repressor during retinoic acid induced cell differentiation / apolipoprotein A-I binding / lipopolysaccharide receptor complex / protein import into mitochondrial intermembrane space / migrasome / high-density lipoprotein particle binding / positive regulation of T cell mediated immune response to tumor cell / Mitochondrial protein import / chaperonin ATPase / positive regulation of macrophage activation / cellular response to interleukin-7 / biological process involved in interaction with symbiont / MyD88-dependent toll-like receptor signaling pathway / sperm plasma membrane / 'de novo' protein folding / B cell proliferation / DNA replication origin binding / apolipoprotein binding / B cell activation / positive regulation of interferon-alpha production / protein maturation / apoptotic mitochondrial changes / chaperone cofactor-dependent protein refolding / positive regulation of interleukin-10 production / response to unfolded protein / RHOG GTPase cycle / chaperone-mediated protein complex assembly / clathrin-coated pit / sperm midpiece / protein folding chaperone / Mitochondrial protein degradation / positive regulation of interleukin-12 production / response to cold / T cell activation / secretory granule / isomerase activity / lipopolysaccharide binding / ATP-dependent protein folding chaperone / : / positive regulation of interleukin-6 production / osteoblast differentiation / positive regulation of type II interferon production / double-stranded RNA binding / positive regulation of T cell activation / unfolded protein binding / p53 binding / protein folding / protein-folding chaperone binding / single-stranded DNA binding / protein refolding / mitochondrial inner membrane / early endosome / protein stabilization / mitochondrial matrix / positive regulation of apoptotic process / ubiquitin protein ligase binding / negative regulation of apoptotic process / enzyme binding / cell surface / ATP hydrolysis activity / protein-containing complex / mitochondrion / RNA binding / extracellular space / extracellular exosome / ATP binding / membrane / metal ion binding / plasma membrane / cytosol / cytoplasm
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
60 kDa heat shock protein, mitochondrial / 10 kDa heat shock protein, mitochondrial
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.82 Å
AuthorsGomez-Llorente Y / Jebara F / Patra M
Funding support United States, 1 items
OrganizationGrant numberCountry
United States - Israel Binational Science Foundation (BSF) United States
CitationJournal: Nat Commun / Year: 2020
Title: Structural basis for active single and double ring complexes in human mitochondrial Hsp60-Hsp10 chaperonin.
Authors: Yacob Gomez-Llorente / Fady Jebara / Malay Patra / Radhika Malik / Shahar Nisemblat / Orna Chomsky-Hecht / Avital Parnas / Abdussalam Azem / Joel A Hirsch / Iban Ubarretxena-Belandia /
Abstract: mHsp60-mHsp10 assists the folding of mitochondrial matrix proteins without the negative ATP binding inter-ring cooperativity of GroEL-GroES. Here we report the crystal structure of an ATP (ADP:BeF- ...mHsp60-mHsp10 assists the folding of mitochondrial matrix proteins without the negative ATP binding inter-ring cooperativity of GroEL-GroES. Here we report the crystal structure of an ATP (ADP:BeF-bound) ground-state mimic double-ring mHsp60-(mHsp10) football complex, and the cryo-EM structures of the ADP-bound successor mHsp60-(mHsp10) complex, and a single-ring mHsp60-mHsp10 half-football. The structures explain the nucleotide dependence of mHsp60 ring formation, and reveal an inter-ring nucleotide symmetry consistent with the absence of negative cooperativity. In the ground-state a two-fold symmetric H-bond and a salt bridge stitch the double-rings together, whereas only the H-bond remains as the equatorial gap increases in an ADP football poised to split into half-footballs. Refolding assays demonstrate obligate single- and double-ring mHsp60 variants are active, and complementation analysis in bacteria shows the single-ring variant is as efficient as wild-type mHsp60. Our work provides a structural basis for active single- and double-ring complexes coexisting in the mHsp60-mHsp10 chaperonin reaction cycle.
History
DepositionOct 12, 2018-
Header (metadata) releaseNov 7, 2018-
Map releaseApr 15, 2020-
UpdateMar 13, 2024-
Current statusMar 13, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.525
  • Imaged by UCSF Chimera
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  • Surface view colored by cylindrical radius
  • Surface level: 0.525
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-6mrd
  • Surface level: 0.525
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_9196.png

Downloads & links

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Map

FileDownload / File: emd_9196.map.gz / Format: CCP4 / Size: 166.4 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationADP-bound mHsp60-mHsp10 half-football complex
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.07 Å/pix.
x 352 pix.
= 376.64 Å		1.07 Å/pix.
x 352 pix.
= 376.64 Å		1.07 Å/pix.
x 352 pix.
= 376.64 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.07 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.525 / Movie #1: 0.525
Minimum - Maximum-0.45109448 - 1.9830651
Average (Standard dev.)0.001016082 (±0.074940234)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions352352352
Spacing352352352
CellA=B=C: 376.64 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.071.071.07
M x/y/z352352352
origin x/y/z0.0000.0000.000
length x/y/z376.640376.640376.640
α/β/γ90.00090.00090.000
start NX/NY/NZ777686
NX/NY/NZ10710993
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS352352352
D min/max/mean-0.4511.9830.001

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Supplemental data

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Sample components

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Entire : Half-football complex of Hsp60 with Hsp10 bound to ADP and Mg

EntireName: Half-football complex of Hsp60 with Hsp10 bound to ADP and Mg
Components
  • Complex: Half-football complex of Hsp60 with Hsp10 bound to ADP and Mg
    • Protein or peptide: 60 kDa heat shock protein, mitochondrial
    • Protein or peptide: 10 kDa heat shock protein, mitochondrial
  • Ligand: ADENOSINE-5'-DIPHOSPHATE
  • Ligand: MAGNESIUM ION

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Supramolecule #1: Half-football complex of Hsp60 with Hsp10 bound to ADP and Mg

SupramoleculeName: Half-football complex of Hsp60 with Hsp10 bound to ADP and Mg
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 490 KDa

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Macromolecule #1: 60 kDa heat shock protein, mitochondrial

MacromoleculeName: 60 kDa heat shock protein, mitochondrial / type: protein_or_peptide / ID: 1 / Number of copies: 7 / Enantiomer: LEVO / EC number: ec: 3.6.4.9
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 56.263559 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: GSAKDVKFGA DARALMLQGV DLLADAVAVT MGPKGRTVII EQSWGSPKVT KDGVTVAKSI DLKDKYKNIG AKLVQDVANN TNEEAGDGT TTATVLARSI AKEGFEKISK GANPVEIRRG VMLAVDAVIA ELKKQSKPVT TPEEIAQVAT ISANGDKEIG N IISDAMKK ...String:
GSAKDVKFGA DARALMLQGV DLLADAVAVT MGPKGRTVII EQSWGSPKVT KDGVTVAKSI DLKDKYKNIG AKLVQDVANN TNEEAGDGT TTATVLARSI AKEGFEKISK GANPVEIRRG VMLAVDAVIA ELKKQSKPVT TPEEIAQVAT ISANGDKEIG N IISDAMKK VGRKGVITVK DGKTLNDELE IIEGMKFDRG YISPYFINTS KGQKCEFQDA YVLLSEKKIS SIQSIVPALE IA NAHRKPL VIIAEDVDGE ALSTLVLNRL KVGLQVVAVK APGFGDNRKN QLKDMAIATG GAVFGEEGLT LNLEDVQPHD LGK VGEVIV TKDDAMLLKG KGDKAQIEKR IQEIIEQLDV TTSEYEKEKL NERLAKLSDG VAVLKVGGTS DVEVNEKKDR VTDA LNATR AAVEEGIVLG GGCALLRCIP ALDSLTPANE DQKIGIEIIK RTLKIPAMTI AKNAGVEGSL IVEKIMQSSS EVGYD AMAG DFVNMVEKGI IDPTKVVRTA LLDAAGVASL LTTAEVVVTE IPKE

UniProtKB: 60 kDa heat shock protein, mitochondrial

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Macromolecule #2: 10 kDa heat shock protein, mitochondrial

MacromoleculeName: 10 kDa heat shock protein, mitochondrial / type: protein_or_peptide / ID: 2 / Number of copies: 7 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 10.7444 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
GQAFRKFLPL FDRVLVERSA AETVTKGGIM LPEKSQGKVL QATVVAVGSG SKGKGGEIQP VSVKVGDKVL LPEYGGTKVV LDDKDYFLF RDGDILGKYV D

UniProtKB: 10 kDa heat shock protein, mitochondrial

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Macromolecule #3: ADENOSINE-5'-DIPHOSPHATE

MacromoleculeName: ADENOSINE-5'-DIPHOSPHATE / type: ligand / ID: 3 / Number of copies: 7 / Formula: ADP
Molecular weightTheoretical: 427.201 Da
Chemical component information

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

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Macromolecule #4: MAGNESIUM ION

MacromoleculeName: MAGNESIUM ION / type: ligand / ID: 4 / Number of copies: 7 / 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

BufferpH: 7.7
GridSupport film - Material: CARBON / Support film - topology: LACEY / Details: unspecified
VitrificationCryogen name: ETHANE / Instrument: HOMEMADE PLUNGER

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Average exposure time: 10.0 sec. / Average electron dose: 63.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: OTHER
Final reconstructionApplied symmetry - Point group: C7 (7 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 3.82 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 10972
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION
Final angle assignmentType: MAXIMUM LIKELIHOOD

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