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| Title: | | CRYSTAL STRUCTURE OF A GROUP I INTRON/TWO EXON COMPLEX THAT INCLUDES ALL CATALYTIC METAL ION LIGANDS. | |
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| Molecular Description: |
U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A/RNA Complex |
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| Structural Features: | SINGLE STRAND, LOOPS, HAIRPIN LOOP, INTERNAL LOOP, RNA HAMMERHEAD RIBOZYME |
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| Nucleic Acid Sequence: |
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| Protein Sequence: |
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| Primary Citation: | Stahley, M.R., Strobel, S.A.
Structural evidence for a two-metal-ion mechanism of group I intron splicing.
Science
, 309,
pp. 1587 - 1590, 2005.
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| Experimental Information: | X-RAY DIFFRACTION |
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| Space Group: |
P
41
2
2
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| Cell Constants: |
| a = 108.466 | b = 108.466 | c = 246.400 | (Ångstroms) |
 = 90.00 |  = 90.00 |  = 90.00 | (degrees) |
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| Crystallization Conditions: |
| Method: | | VAPOR DIFFUSION, HANGING DROP |
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| Refinement: | The structure was refined using the CNS 1.0 program.
The R value is
26.9
for 18224 reflections
in the resolution range 33.04 to
3.37 Ångstroms
with Fobs > 0.0 sigma(Fobs).
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