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| Title: | | CRYSTAL STRUCTURE OF A NUCLEIC ACID FOUR-WAY JUNCTION | |
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| Molecular Description: | 10-23 DNA ENZYME BOUND TO RNA SUBSTRATE |
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| Structural Features: | DOUBLE HELIX, HAIRPIN LOOP, FLIPPED-OUT BASES, FOUR-WAY JUNCTION |
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| Nucleic Acid Sequence: |
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| Chains | A,C: | | A G G A G A G A G A U G G G U G C G A G |
| Chains | B,D: | | (DC) (DT) (DC) (DG) (DC) (DA) (DC) (DC) (DC) (DA) (DG) (DG) (DC) (DT) (DA) (DG) (DC) (DT) (DA) (DC) (DA) (DA) (DC) (DG) (DA) (DC) (DT) (DC) (DT) (DC) (DT) (DC) (DC) (DT) |
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| Primary Citation: | Nowakowski, J., Shim, P.J., Stout, C.D., Joyce, G.F.
Alternative conformations of a nucleic acid four-way junction.
J.Mol.Biol.
, 300,
pp. 93 - 102, 2000.
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| Experimental Information: | X-RAY DIFFRACTION |
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| Space Group: |
I
2
2
2
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| Cell Constants: |
| a = 62.81 | b = 114.26 | c = 171.45 | (Ångstroms) |
 = 90.0 |  = 90.0 |  = 90.0 | (degrees) |
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| Refinement: | The structure was refined using the X-PLOR 3.843 program.
The R value is
22.6
for 10948 reflections
in the resolution range 15.0 to
3.1 Ångstroms
with I > 1.0 sigma(I).
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