1N3S

Biosynthesis of pteridins. Reaction mechanism of GTP cyclohydrolase I

Structural Biology Knowledgebase: 1N3S SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.55 Å
  • R-Value Free: 0.293
  • R-Value Work: 0.262

Literature

Macromolecules
Sequence Display for 1N3S

Classification: HYDROLASE

Total Structure Weight: 252057.34

Macromolecule Entities
Molecule Chains Length Organism Details
GTP cyclohydrolase I A, B, C..., D, E, F, G, H, I, JA, B, C, D, E, F, G, H, I, J 221 Escherichia coli EC#: 3.5.4.16 IUBMB
Mutation: H113S
Gene Name(s): folE b2153 JW2140
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B, C, D, E, F, G, H, I, J GUANOSINE-5'-TRIPHOSPHATE
C10 H16 N5 O14 P3
XKMLYUALXHKNFT-UUOKFMHZSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.55 Å
  • R-Value Free: 0.293
  • R-Value Work: 0.262
  • Space Group: P 43 21 2

Unit Cell:

Length (Å) Angle (°)
a = 124.30 α = 90.00
b = 124.30 β = 90.00
c = 389.13 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-10-29
  • Released Date: 2004-03-02
  • Deposition author(s): Rebelo, J., Auerbach, G., Bader, G., Bracher, A., Nar, H., Hoesl, C., Schramek, N., Kaiser, J., Bacher, A., Huber, R., Fischer, M.

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