6MC4

Crystal structure of a tetrameric DNA fold-back quadruplex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.25 Å
  • R-Value Free: 0.268 
  • R-Value Work: 0.228 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Crystal Structure of a Tetrameric DNA Fold-Back Quadruplex.

Chu, B.Zhang, D.Hwang, W.Paukstelis, P.J.

(2018) J. Am. Chem. Soc. 140: 16291-16298


Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsLengthOrganism
DNA (5'-D(*CP*GP*TP*CP*AP*GP*GP*CP*G)-3')A,B,C,D,E,F,G,H9synthetic construct
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
K
Query on K

Download SDF File 
Download CCD File 
B
POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
 Ligand Interaction
CA
Query on CA

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Download CCD File 
A, C, D, E, F, H
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.25 Å
  • R-Value Free: 0.268 
  • R-Value Work: 0.228 
  • Space Group: P 31 2 1
Unit Cell:
Length (Å)Angle (°)
a = 53.743α = 90.00
b = 53.743β = 90.00
c = 99.389γ = 120.00
Software Package:
Software NamePurpose
REFMACrefinement
PHASERphasing
XDSdata reduction
Aimlessdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Science Foundation (United States)United States1149665

Revision History 

  • Version 1.0: 2018-11-14
    Type: Initial release
  • Version 1.1: 2018-12-12
    Type: Data collection, Database references