1IK5

Crystal Structure of a 14mer RNA Containing Double UU Bulges in Two Crystal Forms: A Novel U*(AU) Intramolecular Base Triple

Structural Biology Knowledgebase: 1IK5 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.232
  • R-Value Work: 0.209

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1IK5

Classification: RNA

Total Structure Weight: 9056.75

Macromolecule Entities
Molecule Chains Length Organism Details
5'-R(*GP*GP*UP*AP*UP*UP*UP*CP*GP*GP*UP*AP*(CBR)P*C)-3' A 14 synthetic potential hair pin fragment with highly conserved UUCG loop
5'-R(*GP*GP*UP*AP*UP*UP*UP*UP*GP*GP*UP*AP*(CBR)P*C)-3' B 14 synthetic

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

A, B MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
CBR
Query on CBR
A, B DNA LINKING C9 H13 Br N3 O7 P DC

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.232
  • R-Value Work: 0.209
  • Space Group: C 1 2 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 60.04 α = 90.00
b = 29.53 β = 120.83
c = 52.44 γ = 90.00

Structure Validation

View Full Validation Report



Entry History

Deposition Data

  • Deposited Date: 2001-05-02
  • Released Date: 2001-11-09
  • Deposition author(s): Deng, J., Xiong, Y., Sudarsanakumar, C., Shi, K., Sundaralingam, M.

Revision History

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