NDB ID: DR0004


Title:CRYSTAL STRUCTURE OF A VITAMIN B12 BINDING RNA APTAMER WITH LIGAND AT 2.3 A
Molecular Description:RNA APTAMER/COBALAMIN
Structural Features:SINGLE STRAND
Nucleic Acid Sequence:
ChainsA,B,C,D,E:G G A A C C G G U G C G C A U A A C C A C C U C A G U G C G A G C A A
Primary Citation:Sussman, D., Wilson, C.
A water channel in the core of the vitamin B(12) RNA aptamer.
Structure Fold.Des. , 8, pp. 719 - 727, 2000.
Experimental Information:X-RAY DIFFRACTION
Space Group: 2
Cell Constants:
a = 91.27b = 98.08c = 217.97(Ångstroms)
= 90. = 90. = 90.(degrees)
Refinement:The structure was refined using the CNS program. The R value is 19.9 for 35761 reflections in the resolution range 10. to 2.30 Ångstroms .

Biological Assembly 1
Other Views
Asymmetric Unit
Crystal Packing
RNA View
RNAML File

Biological Assemblies
Enlarge Biological Assembly 1
Enlarge Biological Assembly 2
Enlarge Biological Assembly 3
Enlarge Biological Assembly 4
Enlarge Biological Assembly 5



Coordinate + Structure Data

Asymmetric Unit coordinates (pdb format, Unix compressed(.gz))

Asymmetric Unit coordinates (cif format, Unix compressed(.gz))

Biological Assembly coordinates (pdb format)12345

Structure Factors (cif format)

XML | Complete with coordinates (xml format, GNU compressed(.gz))
XML | Coordinates only (xml format, GNU compressed(.gz))
XML | Header only (xml format, GNU compressed(.gz))

Derivative Data

Nucleic Acid Backbone Torsions

Base Pair Parameters

Base Pair Step Parameters

Hydrogen Bonding Classification

Links

The RCSB Protein Data Bank: 1ET4

PubMed: 10903943

FR3D annotation of basepairs, stacking, motifs, and other interactions for: 1ET4




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