ISDA

X-RAY DIFFRACTION

Crystallization Details

Method	pH	Temprature	Details
X-RAY DIFFRACTION	4.8	291	TPP riboswitch RNA (0.2 mM) and 16 (2 mM) were heated in a buffer containing 50 mM potassium acetate (pH 6.8) and 3 (compound 16) mM MgCl2. Reservoir solution containing 0.1 M sodium acetate (pH 4.8), 0.35 M ammonium acetate, and 28% (v/v) PEG4000

Unit Cell:

a: 150.156 Å b: 29.608 Å c: 95.507 Å α: 90.000° β: 94.321° γ: 90.000°

Symmetry:

Space Group: C 1 2 1

Crystal Properties:

Matthew's Coefficient: 2.03 Solvent Content: 39.48

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	2.70	29.05	11382	1153	94.47	0.2095	0.2609	43.91

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
2.70	30.0	95.2	0.152	?	9.9	2.9	?	11400	?	?	42.65

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	2.70	2.80	92.3	?	?	1.3	2.5	?

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 17-ID-2	0.9252	NSLS-II	17-ID-2

Software