6ZHI

Structure of the Plasmodium falciparum Hsp70-x substrate binding domain in complex with hydrophobic peptide

• PDB DOI: https://doi.org/10.2210/pdb6ZHI/pdb

• Classification: CHAPERONE
• Organism(s): Plasmodium falciparum 3D7, Plasmodium falciparum
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2020-06-23 Released: 2020-09-09 
• Deposition Author(s): Schmidt, J., Vakonakis, I.
• Funding Organization(s): Medical Research Council (MRC, United Kingdom)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.25 Å
• R-Value Free: 0.321 
• R-Value Work: 0.297 
• R-Value Observed: 0.298 

Literature

Structure of the PfHsp70-x SBD

Schmidt, J., Vakonakis, I.

(null) Acta Crystallographica Section F 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 4 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 106.49 kDa 
• Atom Count: 7,012 
• Modelled Residue Count: 883 
• Deposited Residue Count: 944 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Heat shock protein 70	A, B, C, D	229	Plasmodium falciparum 3D7	Mutation(s): 0  Gene Names: PF3D7_0831700
UniProt
Find proteins for K7NTP5 (Plasmodium falciparum (isolate 3D7)) Explore K7NTP5  Go to UniProtKB:  K7NTP5

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
ASN-ARG-LEU-LEU-LEU-THR-GLY	E, F, G, H	7	Plasmodium falciparum	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.25 Å
• R-Value Free: 0.321 
• R-Value Work: 0.297 
• R-Value Observed: 0.298 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.069	α = 90
b = 93.853	β = 99.47
c = 85.296	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
xia2	data reduction
xia2	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-09-09 
Deposition Author(s): Schmidt, J., Vakonakis, I.

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Funding Organization	Location	Grant Number
Medical Research Council (MRC, United Kingdom)	United Kingdom	MR/N009274/1

Revision History  

• Version 1.0: 2020-09-09
  Type: Initial release
  
• Version 1.1: 2024-01-24
  Changes: Data collection, Database references, Refinement description