1ULB

APPLICATION OF CRYSTALLOGRAPHIC AND MODELING METHODS IN THE DESIGN OF PURINE NUCLEOSIDE PHOSPHORYLASE INHIBITORS

Structural Biology Knowledgebase: 1ULB SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.75 Å
  • R-Value Observed: 0.204

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1ULB

Classification: PENTOSYLTRANSFERASE

Total Structure Weight: 32528.34

Macromolecule Entities
Molecule Chains Length Organism Details
PURINE NUCLEOSIDE PHOSPHORYLASE A 289 Homo sapiens EC#: 2.4.2.1 IUBMB
Gene Name(s): PNP Gene View NP

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

A GUANINE
C5 H5 N5 O
UYTPUPDQBNUYGX-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
GUN IC50: 5000 nM (99) BindingDB
Kd: 120 - 160 nM (88) BindingDB
Ki: 5000 nM (85) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.75 Å
  • R-Value Observed: 0.204
  • Space Group: H 3 2

Unit Cell:

Length (Å) Angle (°)
a = 142.90 α = 90.00
b = 142.90 β = 90.00
c = 165.20 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1991-11-05
  • Released Date: 1993-01-15
  • Deposition author(s): Ealick, S.E., Rule, S.A., Carter, D.C., Greenhough, T.J., Babu, Y.S., Cook, W.J., Habash, J., Helliwell, J.R., Stoeckler, J.D., Parksjunior, R.E., Chen, S.-F., Bugg, C.E.

Revision History

  • 2011-07-13
    Type: Biological assembly | Details: Added software calculated values
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4