ISDA

X-RAY DIFFRACTION

Crystallization Details

Method	pH	Temprature	Details
X-RAY DIFFRACTION	?	293	1 microL RNA solution (5 mg/mL RNA in 30 mM HEPES pH 7.5, 20 mM MgCl2, 100 mM KCl) + 1 microL crystallization solution (10% 2-methyl-2,4-pentanediol, 40 mM Sodium Cacodylate (pH 6.0), 12 mM Spermine, 150 mM KCl, 100 mM Guanidinium HCl) over a reservoir of 500 microL of 30% 2-methyl-2,4-pentanediol and 100mM Guanidinium HCl.

Unit Cell:

a: 72.190 Å b: 72.190 Å c: 137.140 Å α: 90.000° β: 90.000° γ: 90.000°

Symmetry:

Space Group: P 43 21 2

Crystal Properties:

Matthew's Coefficient: 2.61 Solvent Content: 52.87

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	SAD	FREE R-VALUE	2.604	49.72	11669	1097	99.66	0.2261	0.2534	62.95

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
2.604	49.72	99.64	0.09956	?	30.86	41.3	?	11689	?	?	63.33

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	2.604	2.697	99.56	?	?	2.53	38.0	?

Diffraction

Diffraction experiment

Crystal ID	Scattering Type	Data Collection Temprature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1		100 K			?

Radiation Source

Source	Type	Wavelength List	Synchrotron Site	Beamline
SYNCHROTRON	ALS BEAMLINE 4.2.2	0.9234	ALS	4.2.2

Software