 |  |  |  |
| Title: |  | CRYSTAL STRUCTURE OF A DNA DECAMER SHOWING A NOVEL PSEUDO FOUR-WAY HELIX-HELIX JUNCTION |  |
 |
| Molecular Description: | 5'-D(CpGpCpApApTpTpGpCpG)-3' |
 |
| Structural Features: | B DOUBLE HELIX, FLIPPED-OUT BASE, BASE TRIPLET |
 |
| Nucleic Acid Sequence: |
 |  |  |  |
| Chain | A: | |
(DC) (DG) (DC) (DA) (DA) (DT) (DT) (DG) (DC) (DG)
|
|
 |
| Primary Citation: | Spink, N., Nunn, C.M., Vojtechovsky, J., Berman, H.M., Neidle, S.
Crystal structure of a DNA decamer showing a novel pseudo four-way helix-helix junction.
Proc.Natl.Acad.Sci.USA
, 92,
pp. 10767 - 10771, 1995.
|
 |
 |  |  |  |
| Experimental Information: | X-RAY DIFFRACTION |
 |
| Space Group: |
I
21
21
21
|
 |
| Cell Constants: |
| a = 27.010 | b = 39.260 | c = 54.060 | (Ångstroms) |
= 90.00 | = 90.00 | = 90.00 | (degrees) |
|
 |
| Crystallization Conditions: |
| Method: | | VAPOR DIFFUSION, HANGING DROP |
| Drop: | | WATER, MPD, MgCl2, Na Cacodylate, BERENIL |
| Reservoir: | | WATER, MPD |
|
 |
| Refinement: | The structure was refined using the X-PLOR program.
The R value is
21.2
for 957 reflections
in the resolution range 8.000 to
2.500 Ångstroms
with Fobs > 2.000 sigma(Fobs).
|
|
|