1ET4

CRYSTAL STRUCTURE OF A VITAMIN B12 BINDING RNA APTAMER WITH LIGAND AT 2.3 A

Structural Biology Knowledgebase: 1ET4 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.232
  • R-Value Work: 0.199

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1ET4

Classification: RNA

Total Structure Weight: 63181.38

Macromolecule Entities
Molecule Chains Length Organism Details
RNA APTAMER, 35-MER A, B, C, D, E 35 synthetic COMPLEXED WITH CYANO COBALAMIN

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

A, B, C, D, E CO-CYANOCOBALAMIN
C63 H88 Co N14 O14 P
OEEKSCBDGPRZJZ-BYLSPCLQSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.232
  • R-Value Work: 0.199
  • Space Group: I 2 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 91.27 α = 90.00
b = 98.08 β = 90.00
c = 217.97 γ = 90.00

Structure Validation

View Full Validation Report



Entry History

Deposition Data

  • Deposited Date: 2000-04-12
  • Released Date: 2000-11-13
  • Deposition author(s): Sussman, D., Wilson, C.

Revision History

  • 2011-12-28
    Type: Advisory | Details: --
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4