2PUC

CRYSTAL STRUCTURE OF THE LACI FAMILY MEMBER, PURR, BOUND TO DNA: MINOR GROOVE BINDING BY ALPHA HELICES


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Observed: 0.177

Literature

Macromolecules
Sequence Display for 2PUC

Classification: TRANSCRIPTION / DNA

Total Structure Weight: 43358.99


Macromolecule Entities
Molecule Chains Length Organism Details
PROTEIN (PURINE REPRESSOR) A 340 Escherichia coli Mutation: R190A
Gene Name(s): purR b1658 JW1650
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Macromolecule Entities
Molecule Chains Length Organism Details
DNA (5'-D(*TP*AP*CP*GP*CP*AP*AP*AP*CP*GP*TP*TP*TP*GP*CP*GP*T )-3') B 17 synthetic

Small Molecules
Ligands 1 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)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Observed: 0.177
  • Space Group: C 2 2 21

Unit Cell:

Length (Å) Angle (°)
a = 175.93 α = 90.00
b = 95.06 β = 90.00
c = 81.53 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1997-10-04
  • Released Date: 1998-05-06
  • Deposition author(s): Schumacher, M.A., Choi, K.Y., Zalkin, H., Brennan, R.G.

Revision History

  • 2008-05-22
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance