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| Title: | | THE MOLECULAR STRUCTURE OF THE LEFT-HANDED Z-DNA DOUBLE HELIX AT 1.0 ANGSTROM ATOMIC RESOLUTION. GEOMETRY, CONFORMATION, AND IONIC INTERACTIONS OF D(CGCGCG) | |
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| Molecular Description: | 5'-D(CpGpCpGpCpG)-3'
MAGNESIUM |
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| Structural Features: | Z DOUBLE HELIX |
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| Nucleic Acid Sequence: |
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| Chains | A, B: | |
(DC) (DG) (DC) (DG) (DC) (DG)
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| Primary Citation: | Gessner, R.V., Frederick, C.A., Quigley, G.J., Rich, A., Wang, A.H.
The molecular structure of the left-handed Z-DNA double helix at 1.0-A atomic resolution. Geometry, conformation, and ionic interactions of d(CGCGCG).
J.Biol.Chem.
, 264,
pp. 7921 - 7935, 1989.
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| Experimental Information: | X-RAY DIFFRACTION |
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| Space Group: |
P
21
21
21
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| Cell Constants: |
| a = 18.010 | b = 31.030 | c = 44.800 | (Ångstroms) |
 = 90.00 |  = 90.00 |  = 90.00 | (degrees) |
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| Crystallization Conditions: |
| Method: | | VAPOR DIFFUSION |
| Drop: | | WATER, MPD, Na Cacodylate, MgCl2 |
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| Refinement: | The structure was refined using the NUCLSQ program.
The R value is
17.5
for 10893 reflections
in the resolution of 1.000
with Fobs > 2.000 sigma(Fobs).
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