1K4G

CRYSTAL STRUCTURE OF TRNA-GUANINE TRANSGLYCOSYLASE (TGT) COMPLEXED WITH 2,6-DIAMINO-8-(1H-IMIDAZOL-2-YLSULFANYLMETHYL)-3H-QUINAZOLINE-4-ONE

Structural Biology Knowledgebase: 1K4G SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.241
  • R-Value Work: 0.199

Literature

Macromolecules
Sequence Display for 1K4G

Classification: TRANSFERASE

Total Structure Weight: 43279.76

Macromolecule Entities
Molecule Chains Length Organism Details
TRNA-GUANINE TRANSGLYCOSYLASE A 386 Zymomonas mobilis EC#: 2.4.2.29 IUBMB
Gene Name(s): tgt ZMO0363
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A 2,6-DIAMINO-8-(1H-IMIDAZOL-2-YLSULFANYLMETHYL)- 3H-QUINAZOLINE-4-ONE
C12 H12 N6 O S
CEWKWXPCQGWWBM-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
AIQ N/A in BindingDB
Ki: 1400 nM  BindingMOAD
Ki: 1400 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.241
  • R-Value Work: 0.199
  • Space Group: C 1 2 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 89.77 α = 90.00
b = 64.75 β = 95.92
c = 71.13 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-10-08
  • Released Date: 2002-04-24
  • Deposition author(s): Brenk, R., Meyer, E.A., Castellano, R.K., Furler, M., Stubbs, M.T., Klebe, G., Diederich, F.

Revision History

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