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| Title: | | CRYSTAL STRUCTURE OF A FOUR-STRANDED INTERCALATED DNA: D(C4) | |
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| Molecular Description: | 5'-D(CpCpCpC)-3' |
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| Structural Features: | QUADRUPLE HELIX, PARALLEL-STRANDED, BASE INTERCALATED |
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| Nucleic Acid Sequence: |
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| Chains | A,B,C,D,E,F,G,H: | | (DC) (DC) (DC) (DC) |
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| Primary Citation: | Chen, L., Cai, L., Zhang, X., Rich, A.
Crystal structure of a four-stranded intercalated DNA: d(C4).
Biochemistry
, 33,
pp. 13540 - 13546, 1994.
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| Experimental Information: | X-RAY DIFFRACTION |
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| Space Group: |
I
2
3
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| Cell Constants: |
| a = 82.300 | b = 82.300 | c = 82.300 | (Ångstroms) |
 = 90.00 |  = 90.00 |  = 90.00 | (degrees) |
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| Refinement: | The structure was refined using the X-PLOR program.
The R value is
21.8
for 8177 reflections
in the resolution range 8.000 to
1.800 Ångstroms
with Fobs > 2.000 sigma(Fobs).
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