ISDA

X-RAY DIFFRACTION

Crystallization Details

Method	pH	Temprature	Details
X-RAY DIFFRACTION	4.2	277	crystallization solution 0.214 M lithium sulfate, 0.1 M phosphate/citrate, pH 4.2, 17.25% w/v PEG 1,000 mixed 1:2 volume ratio to 10 mg/mL protein:RNA complex solution

Unit Cell:

a: 118.280 Å b: 118.280 Å c: 78.630 Å α: 90.000° β: 90.000° γ: 120.000°

Symmetry:

Space Group: P 63

Crystal Properties:

Matthew's Coefficient: 3.54 Solvent Content: 65.30

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	THROUGHOUT	1.9980	62.3730	42437	4243	99.8800	0.1619	0.1782	47.6433

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
1.9980	62.373	99.900	0.069	?	20.940	12.885	?	42441	?	?	38.100

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	1.9980	2.050	98.600	?	?	3.330	12.448	?

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	APS BEAMLINE 24-ID-C	0.9792	APS	24-ID-C

Software