1EX8

CRYSTAL STRUCTURE OF 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN PYROPHOSPHOKINASE COMPLEXED WITH HP4A, THE TWO-SUBSTRATE-MIMICKING INHIBITOR


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.242
  • R-Value Work: 0.203

Literature

Macromolecules
Sequence Display for 1EX8

Classification: TRANSFERASE

Total Structure Weight: 18790.62

Macromolecule Entities
Molecule Chains Length Organism Details
6-HYDROXYMETHYL-7,8-DIHYDROPTERIN PYROPHOSPHOKINASE A 158 Escherichia coli EC#: 2.7.6.3 IUBMB
Gene Name(s): folK b0142 JW0138
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
A4P
Query on A4P

A 6-(ADENOSINE TETRAPHOSPHATE-METHYL)-7,8-DIHYDROPTERIN
C17 H24 N10 O17 P4
ZKRKFZJAQKKHKL-SUGPNEFASA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CL
Query on CL

A CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
A4P N/A in BindingDB
Kd: 470 nM  BindingMOAD
Kd: 470 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.242
  • R-Value Work: 0.203
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 38.05 α = 90.00
b = 61.86 β = 90.00
c = 67.11 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2000-05-01
  • Released Date: 2001-05-01
  • Deposition author(s): Blaszczyk, J., Ji, X.

Revision History

  • 2008-04-27
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance