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- PDB-6pbq: Structure of ClpC1-NTD -

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Basic information

Entry
Database: PDB / ID: 6pbq
TitleStructure of ClpC1-NTD
ComponentsATP-dependent Clp protease ATP-binding subunit ClpC1
KeywordsCHAPERONE / ClpC1-NTD / Ecumicin / ATPase / Mycobacterium tuberculosis
Function / homology
Function and homology information


protein folding chaperone / peptidoglycan-based cell wall / protein homodimerization activity / ATP hydrolysis activity / ATP binding / plasma membrane / cytosol
Similarity search - Function
Double Clp-N motif / Clp, N-terminal domain / UVR domain / UVR domain profile. / ClpA/B, conserved site 1 / Chaperonins clpA/B signature 1. / ClpA/ClpB, AAA lid domain / AAA lid domain / Clp amino terminal domain, pathogenicity island component / : ...Double Clp-N motif / Clp, N-terminal domain / UVR domain / UVR domain profile. / ClpA/B, conserved site 1 / Chaperonins clpA/B signature 1. / ClpA/ClpB, AAA lid domain / AAA lid domain / Clp amino terminal domain, pathogenicity island component / : / Clp, repeat (R) domain / Clp repeat (R) domain profile. / Clp, N-terminal domain superfamily / ClpA/B family / Clp ATPase, C-terminal / AAA domain (Cdc48 subfamily) / C-terminal, D2-small domain, of ClpB protein / C-terminal, D2-small domain, of ClpB protein / ATPase family associated with various cellular activities (AAA) / ATPase, AAA-type, core / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
PHOSPHATE ION / ATP-dependent Clp protease ATP-binding subunit ClpC1
Similarity search - Component
Biological speciesMycobacterium tuberculosis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.6 Å
AuthorsAbad-Zapatero, C. / Wolf, N.M.
CitationJournal: Acta Crystallogr D Struct Biol / Year: 2020
Title: Structure of the N-terminal domain of ClpC1 in complex with the antituberculosis natural product ecumicin reveals unique binding interactions.
Authors: Wolf, N.M. / Lee, H. / Zagal, D. / Nam, J.W. / Oh, D.C. / Lee, H. / Suh, J.W. / Pauli, G.F. / Cho, S. / Abad-Zapatero, C.
History
DepositionJun 14, 2019Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 13, 2020Provider: repository / Type: Initial release
Revision 1.1Oct 11, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: ATP-dependent Clp protease ATP-binding subunit ClpC1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)17,8623
Polymers17,5291
Non-polymers3332
Water2,810156
1


  • Idetical with deposited unit
  • defined by software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area530 Å2
ΔGint-4 kcal/mol
Surface area8180 Å2
MethodPISA
Unit cell
Length a, b, c (Å)33.663, 63.403, 36.752
Angle α, β, γ (deg.)90.00, 115.53, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein ATP-dependent Clp protease ATP-binding subunit ClpC1


Mass: 17529.131 Da / Num. of mol.: 1 / Fragment: N-terminal domain (UNP residues 1-145)
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis (bacteria) / Gene: clpC1, Rv3596c, MTCY07H7B.26 / Production host: Escherichia coli (E. coli) / References: UniProt: P9WPC9
#2: Chemical ChemComp-PO4 / PHOSPHATE ION


Mass: 94.971 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: PO4
#3: Chemical ChemComp-EPE / 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID / HEPES


Mass: 238.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H18N2O4S / Comment: pH buffer*YM
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 156 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.02 Å3/Da / Density % sol: 39.08 %
Crystal growTemperature: 292 K / Method: vapor diffusion, sitting drop / pH: 6.5 / Details: 0.1 M HEPES, pH 6.5, 20% PEG6000

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 21-ID-G / Wavelength: 0.97856 Å
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Jul 13, 2017
RadiationMonochromator: double crystal Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97856 Å / Relative weight: 1
ReflectionResolution: 1.6→40 Å / Num. obs: 18428 / % possible obs: 94 % / Redundancy: 3.6 % / Rpim(I) all: 0.033 / Rrim(I) all: 0.062 / Net I/σ(I): 21
Reflection shellResolution: 1.6→1.63 Å / Num. unique obs: 899 / CC1/2: 0.991 / Rpim(I) all: 0.061 / Rrim(I) all: 0.117

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Processing

Software
NameVersionClassification
REFMAC5.8.0238refinement
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 6CN8

6cn8


Resolution: 1.6→30.4 Å / Cor.coef. Fo:Fc: 0.952 / Cor.coef. Fo:Fc free: 0.939 / SU B: 1.444 / SU ML: 0.053 / Cross valid method: THROUGHOUT / ESU R: 0.104 / ESU R Free: 0.102 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.21287 818 4.7 %RANDOM
Rwork0.17711 ---
obs0.17887 16483 93.85 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 15.48 Å2
Baniso -1Baniso -2Baniso -3
1--0.15 Å20 Å2-0.6 Å2
2--0.43 Å20 Å2
3---0.2 Å2
Refinement stepCycle: 1 / Resolution: 1.6→30.4 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1174 0 20 158 1352
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0110.0121217
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.9431.6371643
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg4.9015155
X-RAY DIFFRACTIONr_dihedral_angle_2_deg31.40221.38565
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.24615224
X-RAY DIFFRACTIONr_dihedral_angle_4_deg23.6571511
X-RAY DIFFRACTIONr_chiral_restr0.1040.2156
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.02895
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.4171.095611
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it2.1971.638764
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it3.1561.599606
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined7.37118.3371960
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.6→1.641 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.211 79 -
Rwork0.157 1233 -
obs--97.62 %

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