4XUL

Crystal structure of M. chilensis Mg662 protein complexed with GTP

• PDB DOI: https://doi.org/10.2210/pdb4XUL/pdb

• Classification: TRANSFERASE
• Organism(s): Megavirus chiliensis
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2015-01-26 Released: 2016-02-03 
• Deposition Author(s): Lartigue, A., Priet, S., Claverie, J.M., Abergel, C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.26 Å
• R-Value Free: 0.217 
• R-Value Work: 0.191 
• R-Value Observed: 0.192 

Literature

Crystal structure of M. chilensis Mg662 protein complexed with GTP

Lartigue, A., Priet, S., Claverie, J.M., Abergel, C.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 46.76 kDa 
• Atom Count: 3,300 
• Modelled Residue Count: 365 
• Deposited Residue Count: 390 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
mg662	A	390	Megavirus chiliensis	Mutation(s): 0  Gene Names: mg662
UniProt
Find proteins for G5CQN7 (Megavirus chiliensis) Explore G5CQN7  Go to UniProtKB:  G5CQN7

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GTP	E [auth A]	GUANOSINE-5'-TRIPHOSPHATE C10 H16 N5 O14 P3 XKMLYUALXHKNFT-UUOKFMHZSA-N
MG	B [auth A], C [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N
NA	D [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.26 Å
• R-Value Free: 0.217 
• R-Value Work: 0.191 
• R-Value Observed: 0.192 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 99.36	α = 90
b = 99.36	β = 90
c = 168.994	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
PHASER	phasing
XDS	data reduction
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-02-03 
Deposition Author(s): Lartigue, A., Priet, S., Claverie, J.M., Abergel, C.

Revision History  

• Version 1.0: 2016-02-03
  Type: Initial release
  
• Version 1.1: 2024-01-10
  Changes: Data collection, Database references, Derived calculations, Refinement description