1CLI

X-RAY CRYSTAL STRUCTURE OF AMINOIMIDAZOLE RIBONUCLEOTIDE SYNTHETASE (PURM), FROM THE E. COLI PURINE BIOSYNTHETIC PATHWAY, AT 2.5 A RESOLUTION

Structural Biology Knowledgebase: 1CLI SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.264
  • R-Value Work: 0.192

Literature

Macromolecules
Sequence Display for 1CLI

Classification: LIGASE

Total Structure Weight: 147820.81

Macromolecule Entities
Molecule Chains Length Organism Details
PROTEIN (PHOSPHORIBOSYL-AMINOIMIDAZOLE SYNTHETASE) A, B, C, D 345 Escherichia coli EC#: 6.3.3.1 IUBMB
Mutation: M1V
Details: SULFATE BINDNG
Gene Name(s): purM purG b2499 JW2484
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SO4
Query on SO4

A, B, C, D SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.264
  • R-Value Work: 0.192
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 71.17 α = 90.00
b = 211.68 β = 90.00
c = 94.45 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1999-04-28
  • Released Date: 1999-10-06
  • Deposition author(s): Li, C., Kappock, T.J., Stubbe, J., Weaver, T.M., Ealick, S.E.

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