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| Title: | | INFLUENCE OF COUNTER-IONS ON THE CRYSTAL STRUCTURES OF DNA DECAMERS: BINDING OF [CO(NH3)6]3+ AND BA2+ TO A-DNA | |
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| Molecular Description: | 5'-D(ApCpCpCpGpCpGpGpGpT)-3'
BA2+ |
 |
| Structural Features: | A DOUBLE HELIX |
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| Nucleic Acid Sequence: |
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| Chain | A: | |
(DA) (DC) (DC) (DC) (DG) (DC) (DG) (DG) (DG) (DT)
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| Primary Citation: | Gao, Y.G., Robinson, H., van Boom, J.H., Wang, A.H.
Influence of counter-ions on the crystal structures of DNA decamers: binding of [Co(NH3)6]3+ and Ba2+ to A-DNA.
Biophys.J.
, 69,
pp. 559 - 568, 1995.
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| Experimental Information: | X-RAY DIFFRACTION |
|
| Space Group: |
P
61
2
2
|
|
| Cell Constants: |
| a = 40.123 | b = 40.123 | c = 78.224 | (Ångstroms) |
 = 90.00 |  = 90.00 |  = 120.00 | (degrees) |
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| Crystallization Conditions: |
| Method: | | VAPOR DIFFUSION |
| Drop: | | WATER, MPD, Na Cacodylate, BA2+ |
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| Refinement: | The structure was refined using the NUCLSQ program.
The R value is
20.6
for 1817 reflections
in the resolution of 2.000
with Fobs > 4.000 sigma(Fobs).
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