4ECE

Crystal structure of purine nucleoside phosphorylase (W16Y, W94Y, W178Y, H257W) mutant from human complexed with guanine

Structural Biology Knowledgebase: 4ECE SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.261
  • R-Value Work: 0.222

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 4ECE

Classification: TRANSFERASE

Total Structure Weight: 217671.15

Macromolecule Entities
Molecule Chains Length Organism Details
Purine nucleoside phosphorylase A, B, C..., D, E, FA, B, C, D, E, F 324 Homo sapiens EC#: 2.4.2.1 IUBMB
Mutation: W16Y, G51S, W94Y, W178Y, H257W
Gene Name(s): PNP Gene View NP

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
GUN
Query on GUN

A, B, C, D, E, F GUANINE
C5 H5 N5 O
UYTPUPDQBNUYGX-UHFFFAOYSA-N
Ligand Explorer
 
JSmol
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
GUN IC50: 5000 nM (98) BindingDB
Kd: 120 - 160 nM (86) BindingDB
Ki: 5000 nM (98) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.261
  • R-Value Work: 0.222
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 77.55 α = 90.00
b = 129.68 β = 105.29
c = 104.35 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2012-03-26
  • Released Date: 2013-02-06
  • Deposition author(s): Haapalainen, A.M., Ho, M.C., Suarez, J.J., Almo, S.C., Schramm, V.L.

Revision History

  • 2013-03-13
    Type: Citation | Details: Citation update
  • 2013-03-06
    Type: Citation | Details: --