1IT7

Crystal structure of archaeosine tRNA-guanine transglycosylase complexed with guanine

Structural Biology Knowledgebase: 1IT7 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.271
  • R-Value Work: 0.229

Literature

Macromolecules
Sequence Display for 1IT7

Classification: TRANSFERASE

Total Structure Weight: 133731.94

Macromolecule Entities
Molecule Chains Length Organism Details
Archaeosine tRNA-guanine transglycosylase A, B 582 Pyrococcus horikoshii EC#: 2.4.2.48 IUBMB
Gene Name(s): tgtA PH1116
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 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 NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

A, B ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A, B MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.271
  • R-Value Work: 0.229
  • Space Group: P 43 21 2

Unit Cell:

Length (Å) Angle (°)
a = 100.20 α = 90.00
b = 100.20 β = 90.00
c = 364.66 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-01-11
  • Released Date: 2002-05-22
  • Deposition author(s): Ishitani, R., Nureki, O., Fukai, S., Kijimoto, T., Nameki, N., Watanabe, M., Kondo, H., Sekine, M., Okada, N., Nishimura, S., Yokoyama, S., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4