ISDA

X-RAY DIFFRACTION

Crystallization Details

Method	pH	Temprature	Details
X-RAY DIFFRACTION	7.0	293.15	well solution: 0.02 M Magnesium chloride hexahydrate 0.05 M Sodium cacodylate trihydrate pH 7.0 15% v/v 2-Propanol 0.001 M Hexammine cobalt(III) chloride 0.001 M Spermine 5 mg/mL RNA was dissolved in: 2.5 mM MgCl2 10 mM HEPES-KOH pH 7.5 0.5 mM spermidine 300 nL sitting drops were set up using the mosquito with a 1:1 well:RNA ratio

Unit Cell:

a: 107.637 Å b: 42.392 Å c: 84.491 Å α: 90.000° β: 103.620° γ: 90.000°

Symmetry:

Space Group: C 1 2 1

Crystal Properties:

Matthew's Coefficient: 2.46 Solvent Content: 50.07

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	MOLECULAR REPLACEMENT	FREE R-VALUE	2.90	41.06	7384	739	87.28	0.2214	0.2581	52.60

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
2.9	41.06	87.25	0.101	?	10.53	3.7	?	8421	?	?	55.77

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	2.9	3.004	58.81	?	?	1.71	6.5	?

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	NSLS-II BEAMLINE 19-ID	0.979	NSLS-II	19-ID

Software