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| Title: |  | CRYSTAL STRUCTURE OF A VITAMIN B12 BINDING RNA APTAMER WITH LIGAND AT 2.3 A |  |
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| Molecular Description: | RNA APTAMER/COBALAMIN |
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| Structural Features: | SINGLE STRAND |
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| Nucleic Acid Sequence: |
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| Chains | A, 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
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| 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.
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| Experimental Information: | X-RAY DIFFRACTION |
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| Space Group: |
I
2
2
2
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| Cell Constants: |
| a = 91.27 | b = 98.08 | c = 217.97 | (Ångstroms) |
= 90 | = 90 | = 90 | (degrees) |
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| Crystallization Conditions: |
| Method: | | VAPOR DIFFUSION, HANGING DROP |
| Drop: | | ISOPROPANOL, LiCl |
| Reservoir: | | ISOPROPANOL, LICL |
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| 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
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