1FSG

TOXOPLASMA GONDII HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE COMPLEXED WITH 9-DEAZAGUANINE, ALPHA-D-5-PHOSPHORIBOSYL-1-PYROPHOSPHATE (PRPP) AND TWO MG2+ IONS


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.05 Å
  • R-Value Free: 0.154
  • R-Value Work: 0.122

Literature

Macromolecules
Sequence Display for 1FSG

Classification: TRANSFERASE

Total Structure Weight: 54588.64

Macromolecule Entities
Molecule Chains Length Organism Details
HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE A, C 233 Toxoplasma gondii EC#: 2.4.2.22 IUBMB 2.4.2.8 IUBMB
Gene Name(s): HPRT
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
PRP
Query on PRP

A, C ALPHA-PHOSPHORIBOSYLPYROPHOSPHORIC ACID
C5 H13 O14 P3
PQGCEDQWHSBAJP-TXICZTDVSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
9DG
Query on 9DG

A, C 9-DEAZAGUANINE
C6 H6 N4 O
FFYPRJYSJODFFD-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A, C MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
9DG N/A in BindingDB
IC50: 9500 nM  BindingMOAD
IC50: 9500 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.05 Å
  • R-Value Free: 0.154
  • R-Value Work: 0.122
  • Space Group: P 21 21 2

Unit Cell:

Length (Å) Angle (°)
a = 69.33 α = 90.00
b = 90.18 β = 90.00
c = 75.72 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-09-08
  • Released Date: 2000-12-06
  • Deposition author(s): Heroux, A., White, E.L., Ross, L.J., Kuzin, A.P., Borhani, D.W.

Revision History

  • Version 1_0: 2000-12-06

    Type: Initial release

  • Version 1_1: 2008-04-27

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Derived calculations, Source and taxonomy, Version format compliance