4DJT

Crystal structure of a nuclear GTP-binding protein from Encephalitozoon cuniculi bound to GDP-Mg2+

• PDB DOI: https://doi.org/10.2210/pdb4DJT/pdb

• Classification: NUCLEAR PROTEIN
• Organism(s): Encephalitozoon cuniculi GB-M1
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2012-02-02 Released: 2012-02-15 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.216 
• R-Value Work: 0.175 
• R-Value Observed: 0.177 

Literature

Crystal structure of a nuclear GTP-binding protein from Encephalitozoon cuniculi bound to GDP-Mg2+

Edwards, T.E., Abendroth, J., Seattle Structural Genomics Center for Infectious Disease (SSGCID)

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 50.28 kDa 
• Atom Count: 3,379 
• Modelled Residue Count: 390 
• Deposited Residue Count: 436 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GTP-binding nuclear protein GSP1	A, B	218	Encephalitozoon cuniculi GB-M1	Mutation(s): 0  Gene Names: ECU04_1560, GSP1
UniProt
Find proteins for Q8SS11 (Encephalitozoon cuniculi (strain GB-M1)) Explore Q8SS11  Go to UniProtKB:  Q8SS11

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GDP	C [auth A], E [auth B]	GUANOSINE-5'-DIPHOSPHATE C10 H15 N5 O11 P2 QGWNDRXFNXRZMB-UUOKFMHZSA-N
MG	D [auth A], F [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N
NA	G [auth B]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.216 
• R-Value Work: 0.175 
• R-Value Observed: 0.177 
• Space Group: P 1 2₁ 1
• Diffraction Data: https://doi.org/10.18430/M34DJT

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.57	α = 90
b = 89.25	β = 108.06
c = 54.98	γ = 90

Software Package:

Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
StructureStudio	data collection
XDS	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-02-15 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

Revision History  

• Version 1.0: 2012-02-15
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description