5BQO

Hypoxanthine-guanine-xanthine phosphoribosyltransferase (HGXPRT) from Sulfolobus solfataricus with sulfate bound in the 5-phosphoribosyl binding site.

• PDB DOI: https://doi.org/10.2210/pdb5BQO/pdb

• Classification: TRANSFERASE
• Organism(s): Saccharolobus solfataricus P2
• Expression System: Escherichia coli K-12
• Mutation(s): No 


• Deposited: 2015-05-29 Released: 2015-06-10 
• Deposition Author(s): Christoffersen, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.39 Å
• R-Value Free: 0.251 
• R-Value Work: 0.191 
• R-Value Observed: 0.194 

Literature

Sulfolobus solfataricus P2

Christoffersen, S., Hansen, M.R., Jensen, K.S., Larsen, S., Jensen, K.F.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Biological Assembly 2  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Macromolecule Content

• Total Structure Weight: 124.76 kDa 
• Atom Count: 9,154 
• Modelled Residue Count: 1,037 
• Deposited Residue Count: 1,074 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Purine phosphoribosyltransferase (GpT-2)	A, B, C, D, E, F	179	Saccharolobus solfataricus P2	Mutation(s): 0  Gene Names: gpT-2, SSO2424 EC: 2.4.2.8
UniProt
Find proteins for Q97W22 (Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)) Explore Q97W22  Go to UniProtKB:  Q97W22

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	G [auth A], H [auth B], I [auth B], J [auth C], K [auth D], L [auth E], M [auth F]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.39 Å
• R-Value Free: 0.251 
• R-Value Work: 0.191 
• R-Value Observed: 0.194 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 100.946	α = 90
b = 175.366	β = 90
c = 151.784	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XSCALE	data scaling
PHASER	phasing
PDB_EXTRACT	data extraction
XDS	data reduction
Coot	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-06-10 
Deposition Author(s): Christoffersen, S.

Revision History  

• Version 1.0: 2015-06-10
  Type: Initial release
  
• Version 1.1: 2024-01-10
  Changes: Data collection, Database references, Refinement description