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- PDB-8yd2: CryoEM structure of M. tuberculosis ClpP1P2 bound to bortezomib -

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Basic information

Entry
Database: PDB / ID: 8yd2
TitleCryoEM structure of M. tuberculosis ClpP1P2 bound to bortezomib
Components
  • ATP-dependent Clp protease proteolytic subunit 1
  • ATP-dependent Clp protease proteolytic subunit 2
KeywordsHYDROLASE / Mycobacterium tuberculosis / Caseinolytic protease system / Activation
Function / homology
Function and homology information


endopeptidase Clp / endopeptidase Clp complex / ATP-dependent peptidase activity / protein quality control for misfolded or incompletely synthesized proteins / peptidoglycan-based cell wall / ATPase binding / serine-type endopeptidase activity / plasma membrane / cytosol
Similarity search - Function
ClpP, Ser active site / Endopeptidase Clp serine active site. / ClpP, histidine active site / Endopeptidase Clp histidine active site. / ATP-dependent Clp protease proteolytic subunit / Clp protease proteolytic subunit /Translocation-enhancing protein TepA / Clp protease / ClpP/crotonase-like domain superfamily
Similarity search - Domain/homology
Chem-BO2 / ATP-dependent Clp protease proteolytic subunit 2 / ATP-dependent Clp protease proteolytic subunit 1
Similarity search - Component
Biological speciesMycobacterium tuberculosis H37Rv (bacteria)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.39 Å
AuthorsZhou, B. / Gao, Y. / Zhao, H. / Chen, W. / He, J. / Zhang, T. / Xiong, X.
Funding support China, 9items
OrganizationGrant numberCountry
Other government2021YFA1300903
Other government2021YFA1300904
National Natural Science Foundation of China (NSFC)32300152 China
National Natural Science Foundation of China (NSFC)81973372 China
National Natural Science Foundation of China (NSFC)32170189 China
National Natural Science Foundation of China (NSFC)32241021 China
National Natural Science Foundation of China (NSFC)82341085 China
Other government2022A1515110505
Other government2022M723164
CitationJournal: To Be Published
Title: Activation mechanism of caseinolytic chaperone-protease system in Mycobacterium tuberculosis by the anti-cancer drug bortezomib
Authors: Zhou, B. / Gao, Y. / Zhao, H. / Chen, X. / He, J. / Zhang, T. / Xiong, X.
History
DepositionFeb 19, 2024Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Mar 19, 2025Provider: repository / Type: Initial release
Revision 1.0Mar 19, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Mar 19, 2025Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Mar 19, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Mar 19, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Mar 19, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Mar 19, 2025Data content type: Mask / Part number: 1 / Data content type: Mask / Provider: repository / Type: Initial release
Revision 1.0Mar 19, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: ATP-dependent Clp protease proteolytic subunit 1
B: ATP-dependent Clp protease proteolytic subunit 2
C: ATP-dependent Clp protease proteolytic subunit 1
D: ATP-dependent Clp protease proteolytic subunit 2
E: ATP-dependent Clp protease proteolytic subunit 1
F: ATP-dependent Clp protease proteolytic subunit 2
G: ATP-dependent Clp protease proteolytic subunit 1
H: ATP-dependent Clp protease proteolytic subunit 2
I: ATP-dependent Clp protease proteolytic subunit 1
J: ATP-dependent Clp protease proteolytic subunit 2
K: ATP-dependent Clp protease proteolytic subunit 1
L: ATP-dependent Clp protease proteolytic subunit 2
M: ATP-dependent Clp protease proteolytic subunit 1
N: ATP-dependent Clp protease proteolytic subunit 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)279,53928
Polymers274,16014
Non-polymers5,37914
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

#1: Protein
ATP-dependent Clp protease proteolytic subunit 1 / Endopeptidase Clp 1


Mass: 19383.111 Da / Num. of mol.: 7
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis H37Rv (bacteria)
Strain: H37Rv / Gene: clpP1, clpP, Rv2461c, MTV008.17c / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: P9WPC5, endopeptidase Clp
#2: Protein
ATP-dependent Clp protease proteolytic subunit 2 / Endopeptidase Clp 2


Mass: 19782.576 Da / Num. of mol.: 7
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis H37Rv (bacteria)
Strain: H37Rv / Gene: clpP2, Rv2460c, MTV008.16c / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: P9WPC3, endopeptidase Clp
#3: Chemical
ChemComp-BO2 / N-[(1R)-1-(DIHYDROXYBORYL)-3-METHYLBUTYL]-N-(PYRAZIN-2-YLCARBONYL)-L-PHENYLALANINAMIDE / BORTEZOMIB


Mass: 384.237 Da / Num. of mol.: 14 / Source method: obtained synthetically / Formula: C19H25BN4O4 / Feature type: SUBJECT OF INVESTIGATION / Comment: medication*YM
Has ligand of interestY
Has protein modificationN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: CryoEM structure of M. tuberculosis ClpP1P2 bound to bortezomib
Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Source (natural)Organism: Mycobacterium tuberculosis (bacteria)
Source (recombinant)Organism: Escherichia coli BL21(DE3) (bacteria)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2400 nm / Nominal defocus min: 800 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.39 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 668234 / Symmetry type: POINT
RefinementStereochemistry target values: REAL-SPACE (WEIGHTED MAP SUM AT ATOM CENTERS)

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