ISDA: 6W79

X-RAY DIFFRACTION

Crystallization Details

Method	pH	Temprature	Details
X-RAY DIFFRACTION	6.0	278	3 uL drops that were formed by adding 1 uL of purified SARS-3CLpro (10 mg/mL) that had been incubated for three hours with a 3 molar excess of the of compound X77, and 2 uL of reservoir solution: 3 mM DTT, 50 mM MES pH 6.0, 40 mM KCl, 1% MPD, and 5% PEG-10K

Unit Cell:

a: 108.881 Å b: 81.260 Å c: 53.455 Å α: 90.000° β: 104.231° γ: 90.000°

Symmetry:

Space Group: C 1 2 1

Crystal Properties:

Matthew's Coefficient: ? Solvent Content: ?

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	1.46	32.28	77771	2000	99.50	0.1570	0.1773	30.07

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
1.46	100	99.7	?	?	41.3	4.9	?	77810	?	?	18.31

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	1.46	1.49	99.7	?	?	2.6	4.5	?

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	APS BEAMLINE 21-ID-G	0.978	APS	21-ID-G

Software