ISDA: 4Y1I

X-RAY DIFFRACTION

Crystallization Details

Method	pH	Temprature	Details
X-RAY DIFFRACTION	?	294	RNA solution: 10 mM Na Cacodylate pH 7, 50 mM NaCl, 10 mM MgCl2, 2.5 mM MnCl2, Mother liquor: 14% (+/-)-2-methyl-2,4-pentanediol (MPD) , 40 mM Na cacodylate pH 7.0, 80 mM NaCl, 20 mM BaCl2, 12 mM spermine tetra-HCl, at 21 C, with 1:2 RNA: mother liquor drop ratio. Cryoprotection: 20% PEG-400 and 0.1 mM MnCl2 overnight soak.

Unit Cell:

a: 67.285 Å b: 127.881 Å c: 115.324 Å α: 90.00° β: 93.37° γ: 90.00°

Symmetry:

Space Group: C 1 2 1

Crystal Properties:

Matthew's Coefficient: 3.83 Solvent Content: 67.91

Refinement Statistics

Diffraction ID	Structure Solution Method	Cross Validation Method	Resolution Limit (High)	Resolution Limit (Low)	Number of Reflections (Observed)	Number of Reflections (R-free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic
X-RAY DIFFRACTION	?	FREE R-VALUE	2.850	55.9	19804	2125	89.62	0.1957	0.2235	?

Data Collection

Overall

Resolution Limit (High)	Resolution Limit (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
2.85	55.9	92	0.136	?	20.5	4.1	?	20952	?	?	?

Highest Resolution Shell

#	Resolution Limits (Low)	Resolution Limits (High)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.85	2.95	92	?	?	2.87	4.1	?

Diffraction

Diffraction experiment

Crystal ID	Scattering Type	Data Collection Temprature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1		294 K			?

Radiation Source

Source	Type	Wavelength List	Synchrotron Site	Beamline
SYNCHROTRON	APS BEAMLINE 24-ID-C	1.892	APS	24-ID-C

Software