4HWS

Crystal structure of E. coli Threonyl-tRNA synthetase bound to a novel inhibitor

Structural Biology Knowledgebase: 4HWS SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.217
  • R-Value Work: 0.197

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 4HWS

Classification: Ligase / Ligase Inhibitor

Total Structure Weight: 97000.73

Macromolecule Entities
Molecule Chains Length Organism Details
Threonine--tRNA ligase A, B 411 Escherichia coli EC#: 6.1.1.3 IUBMB
Fragment: UNP residues 242-642
Gene Name(s): thrS b1719 JW1709

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
1B3
Query on 1B3

A, B N-{[3-(4-amino-2-chloroquinazolin-7-yl)phenyl]sulfonyl}- L-threoninamide
C18 H18 Cl N5 O4 S
MSFGWBJSNPMREF-PSLIRLAXSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A, B ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
1B3 N/A in BindingDB
Ki: 0.8 nM  BindingMOAD
Ki: 0.8 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.217
  • R-Value Work: 0.197
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 86.18 α = 90.00
b = 110.33 β = 90.00
c = 114.87 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2012-11-08
  • Released Date: 2013-09-18
  • Deposition author(s): Hilgers, M.T.

Revision History

No revisions since initial release