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- PDB-7nqs: Plasmodium falciparum Hsp70-x chaperone nucleotide binding domain... -

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Basic information

Entry
Database: PDB / ID: 7nqs
TitlePlasmodium falciparum Hsp70-x chaperone nucleotide binding domain in complex with Z1203107138
ComponentsHeat shock protein 70Heat shock response
KeywordsCHAPERONE / Intra-erythrocytic / AMP-PNP / Ligand
Function / homology
Function and homology information


misfolded protein binding / chaperone cofactor-dependent protein refolding / cellular response to unfolded protein / heat shock protein binding / protein folding chaperone / unfolded protein binding / protein refolding / ATP hydrolysis activity / ATP binding / cytoplasm
Similarity search - Function
Heat shock hsp70 proteins family signature 1. / Heat shock hsp70 proteins family signature 2. / Heat shock hsp70 proteins family signature 3. / Heat shock protein 70, conserved site / Heat shock protein 70kD, peptide-binding domain superfamily / Hsp70 protein / Heat shock protein 70 family / Heat shock protein 70kD, C-terminal domain superfamily / ATPase, nucleotide binding domain
Similarity search - Domain/homology
AMP PHOSPHORAMIDATE / Chem-JH1 / PHOSPHATE ION / Heat shock protein 70
Similarity search - Component
Biological speciesPlasmodium falciparum (malaria parasite P. falciparum)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.56 Å
AuthorsMohamad, N. / O'Donoghue, A. / Kantsadi, A.L. / Vakonakis, I.
Funding support United Kingdom, European Union, 2items
OrganizationGrant numberCountry
Biotechnology and Biological Sciences Research Council (BBSRC)BB/R021759/1 United Kingdom
H2020 Marie Curie Actions of the European Commission752069European Union
CitationJournal: To Be Published
Title: Structures of P. falciparum Hsp70-x nucleotide binding domain with small molecule ligands
Authors: Mohamad, N. / O'Donoghue, A. / Kantsadi, A.L. / Vakonakis, I.
History
DepositionMar 2, 2021Deposition site: PDBE / Processing site: PDBE
Revision 1.0Mar 17, 2021Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Heat shock protein 70
B: Heat shock protein 70
hetero molecules


Theoretical massNumber of molelcules
Total (without water)88,24620
Polymers85,6572
Non-polymers2,58918
Water2,558142
1
A: Heat shock protein 70
hetero molecules


Theoretical massNumber of molelcules
Total (without water)44,18911
Polymers42,8281
Non-polymers1,36010
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Heat shock protein 70
hetero molecules


Theoretical massNumber of molelcules
Total (without water)44,0579
Polymers42,8281
Non-polymers1,2298
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)79.88, 102.87, 103.76
Angle α, β, γ (deg.)90, 90, 90
Int Tables number19
Space group name H-MP212121

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein Heat shock protein 70 / Heat shock response / Hsp70-x


Mass: 42828.441 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Plasmodium falciparum (isolate 3D7) (eukaryote)
Strain: isolate 3D7 / Gene: PF3D7_0831700 / Plasmid: pFLOAT
Details (production host): pET30a derivative with N-terminal His6-tag and HRV 3C cleavage site
Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: K7NTP5

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Non-polymers , 6 types, 160 molecules

#2: Chemical ChemComp-AN2 / AMP PHOSPHORAMIDATE


Mass: 426.216 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H16N6O9P2
#3: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 12 / Source method: obtained synthetically / Formula: C3H8O3
#4: Chemical ChemComp-PG4 / TETRAETHYLENE GLYCOL / Polyethylene glycol


Mass: 194.226 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H18O5 / Comment: precipitant*YM
#5: Chemical ChemComp-PO4 / PHOSPHATE ION / Phosphate


Mass: 94.971 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: PO4
#6: Chemical ChemComp-JH1 / 1-ethyl-N-[(4-fluorophenyl)methyl]-1H-pyrazole-4-carboxamide


Mass: 247.268 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C13H14FN3O / Feature type: SUBJECT OF INVESTIGATION
#7: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 142 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY

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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: 2.49 Å3/Da / Density % sol: 50.57 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7.4
Details: 20 mM HEPES pH 7.4 50 mM NaCl 1 mM DTT 3.5 mM AMP-PNP 24% w/v PEG 1500 20% v/v glycerol

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: Diamond / Beamline: I04-1 / Wavelength: 0.9159 Å
DetectorType: DECTRIS PILATUS 6M-F / Detector: PIXEL / Date: Jul 12, 2019
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9159 Å / Relative weight: 1
ReflectionResolution: 2.56→63.3 Å / Num. obs: 28236 / % possible obs: 100 % / Redundancy: 6.6 % / CC1/2: 1 / Rrim(I) all: 0.131 / Net I/σ(I): 9.4
Reflection shellResolution: 2.56→2.6 Å / Redundancy: 6.8 % / Mean I/σ(I) obs: 0.9 / Num. unique obs: 1398 / CC1/2: 0.5 / Rrim(I) all: 2.166 / % possible all: 100

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Processing

Software
NameVersionClassification
BUSTER2.10.4refinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 6RZQ
Resolution: 2.56→63.3 Å / Cor.coef. Fo:Fc: 0.942 / Cor.coef. Fo:Fc free: 0.929 / SU R Cruickshank DPI: 0.724 / Cross valid method: THROUGHOUT / SU R Blow DPI: 0.781 / SU Rfree Blow DPI: 0.287 / SU Rfree Cruickshank DPI: 0.289
RfactorNum. reflection% reflectionSelection details
Rfree0.2411 1426 -RANDOM
Rwork0.2101 ---
obs0.2117 28184 99.9 %-
Displacement parametersBiso mean: 88.52 Å2
Baniso -1Baniso -2Baniso -3
1-15.5209 Å20 Å20 Å2
2---17.943 Å20 Å2
3---2.4221 Å2
Refine analyzeLuzzati coordinate error obs: 0.36 Å
Refinement stepCycle: LAST / Resolution: 2.56→63.3 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5886 0 163 142 6191
Refine LS restraints
Refine-IDTypeDev idealNumberRestraint functionWeight
X-RAY DIFFRACTIONt_bond_d0.0086128HARMONIC2
X-RAY DIFFRACTIONt_angle_deg0.978245HARMONIC2
X-RAY DIFFRACTIONt_dihedral_angle_d2214SINUSOIDAL2
X-RAY DIFFRACTIONt_gen_planes1036HARMONIC5
X-RAY DIFFRACTIONt_it6128HARMONIC10
X-RAY DIFFRACTIONt_chiral_improper_torsion815SEMIHARMONIC5
X-RAY DIFFRACTIONt_ideal_dist_contact4768SEMIHARMONIC4
X-RAY DIFFRACTIONt_omega_torsion3.06
X-RAY DIFFRACTIONt_other_torsion16.37
LS refinement shellResolution: 2.56→2.58 Å
RfactorNum. reflection% reflection
Rfree0.3825 22 -
Rwork0.3323 --
obs0.3343 564 99.65 %
Refinement TLS params.

Refine-ID: X-RAY DIFFRACTION

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
12.5163-0.2819-0.35852.22480.68552.31370.04210.08930.16860.08930.06820.02040.16860.0204-0.1104-0.54820.01410.0291-0.20110.0391-0.486230.156377.175954.6943
24.4323-0.242-0.6732.92960.14484.07780.0527-0.2072-0.8428-0.2072-0.0685-0.3989-0.8428-0.39890.0158-0.1970.0938-0.0037-0.08370.05-0.439647.53475.160314.8315
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1{ A|* }A33 - 418
2X-RAY DIFFRACTION1{ A|* }A502 - 507
3X-RAY DIFFRACTION1{ A|* }A604 - 794
4X-RAY DIFFRACTION1{ A|* }A901 - 1301
5X-RAY DIFFRACTION2{ B|* }B33 - 414
6X-RAY DIFFRACTION2{ B|* }B502 - 504
7X-RAY DIFFRACTION2{ B|* }B604 - 732
8X-RAY DIFFRACTION2{ B|* }B801 - 1101

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