2B94 | pdb_00002b94

Structural analysis of P knowlesi homolog of P falciparum PNP

• PDB DOI: https://doi.org/10.2210/pdb2B94/pdb

• Classification: TRANSFERASE
• Organism(s): Plasmodium knowlesi
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2005-10-10 Released: 2005-11-01 
• Deposition Author(s): Robien, M.A., Bosch, J., Hol, W.G.J., Structural Genomics of Pathogenic Protozoa Consortium (SGPP)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 
  0.225 (Depositor), 0.190 (DCC) 
• R-Value Work: 
  0.187 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.189 (Depositor) 

Starting Models: experimental

Literature

Structural analysis of P knowlesi homolog of P falciparum PNP

Robien, M.A., Bosch, J., Hol, W.G.J., Structural Genomics of Pathogenic Protozoa Consortium (SGPP)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 30.13 kDa 
• Atom Count: 1,950 
• Modeled Residue Count: 242 
• Deposited Residue Count: 267 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
purine nucleoside phosphorylase	A	267	Plasmodium knowlesi	Mutation(s): 0  EC: 2.4.2.1
UniProt
Find proteins for D0VWV7 (Plasmodium knowlesi) Explore D0VWV7  Go to UniProtKB:  D0VWV7

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
THJ	B [auth A], C [auth A]	THIOSULFATE O3 S2 DHCDFWKWKRSZHF-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free:  0.225 (Depositor), 0.190 (DCC) 
• R-Value Work:  0.187 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.189 (Depositor) 

Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 98.377	α = 90
b = 98.377	β = 90
c = 160.08	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-11-01 
Deposition Author(s): Robien, M.A., Bosch, J., Hol, W.G.J., Structural Genomics of Pathogenic Protozoa Consortium (SGPP)

Revision History  

• Version 1.0: 2005-11-01
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2023-08-23
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.4: 2024-10-09
  Changes: Structure summary