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NDB ID: DR0004    PDB ID: 1ET4 


Title:

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

Molecular Description:

RNA APTAMER/COBALAMIN

Structural Keywords:

SINGLE STRAND

Nucleic Acid Sequence:

Click to show/hide 1 nucleic acid sequences

Protein Sequence:

No Protein Sequence Found

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:

I 2 2 2

Cell Constants:

a = 91.27   b = 98.08   c = 217.97 (Ångstroms)

α = 90.0   β = 90.0   γ = 90.0 (degrees)

Refinement:

The structure was refined using the CNS program. The R value is 0.199 for 35761 reflections in the resolution range 10.0 to 2.3 Ångstroms with Fobs >  0.0 sigma(Fobs) and with I >  0.0 sigma(I)