1JB7

DNA G-Quartets in a 1.86 A Resolution Structure of an Oxytricha nova Telomeric Protein-DNA Complex

Structural Biology Knowledgebase: 1JB7 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.86 Å
  • R-Value Free: 0.246
  • R-Value Work: 0.230

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1JB7

Classification: DNA-BINDING PROTEIN / DNA

Total Structure Weight: 96429.84


Macromolecule Entities
Molecule Chains Length Organism Details
telomere-binding protein alpha subunit A 495 Sterkiella nova Details: alanine version
Gene Name(s): MAC-56A MAC-56K MAC-56S
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
telomere-binding protein beta subunit B 260 Sterkiella nova Fragment: 28 kDa N-terminal core
Gene Name(s): MAC-41A MAC-41S
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Macromolecule Entities
Molecule Chains Length Organism Details
5'-D(*GP*GP*GP*GP*TP*TP*TP*TP*GP*GP*GP*G)-3' D, G, H 12 synthetic Chain D is single strand DNA. Chains G and H are a G-quartet linked DNA dimer

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

B CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NA
Query on NA

G, H SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.86 Å
  • R-Value Free: 0.246
  • R-Value Work: 0.230
  • Space Group: P 61 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 93.10 α = 90.00
b = 93.10 β = 90.00
c = 421.80 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-06-02
  • Released Date: 2001-06-11
  • Deposition author(s): Horvath, M.P., Schultz, S.C.

Revision History

  • 2011-11-16
    Type: Atom occupancy | Details: Atom occupancy
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4