 |  |  |  |
| Title: |  | CRYSTAL STRUCTURE OF AN ALTERNATING A-T OLIGONUCLEOTIDE FRAGMENT WITH HOOGSTEEN BASE PAIRING |  |
 |
| Molecular Description: | 5'-D(ApTpAp(BRU)pApT)-3' |
 |
| Structural Features: | RH DOUBLE HELIX, HOOGSTEEN BASE PAIRING, FLIPPED-OUT BASES, OVERHANGING BASES |
 |
| Nucleic Acid Sequence: |
 |  |  |  |
| Chains | A,B,C,D: | | (DA) (DT) (DA) (BRU) (DA) (DT) |
|
 |
| Primary Citation: | Abrescia, N.G.A., Thompson, A., Huynh-Dinh, T., Subirana, J.A.
Crystal Structure of an Antiparallel DNA Fragment with Hoogsteen Base Pairing
Proc.Natl.Acad.Sci.USA
, 99,
pp. 2806, 2002.
|
 |
 |  |  |  |
| Experimental Information: | X-RAY DIFFRACTION |
 |
| Space Group: |
P
1
21
1
|
 |
| Cell Constants: |
| a = 23.960 | b = 48.950 | c = 32.240 | (Ångstroms) |
= 90.00 | = 93.27 | = 90.00 | (degrees) |
|
 |
| Refinement: | The structure was refined using the CNS 1.0 program.
The R value is
22.0
for 2547 reflections
in the resolution range 15.00 to
2.5 Ångstroms
with Fobs > 0.0 sigma(Fobs).
|
|
|