ISDA: 2HG5

X-RAY DIFFRACTION

Crystallization Details

Method	pH	Temprature	Details
X-RAY DIFFRACTION	6.5	295	Crystals of the KcsAester-Fab complex grown in the presence of 300 mM KCl were washed 2X in a similar solution containing 0.3M CsCl, incubated overnight in the presence of 0.3M CsCl and then cryoprotected. 50 mM Magnesium acetate, PEG 400 (20-25%), pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Unit Cell:

a: 156.597 Å b: 156.597 Å c: 75.706 Å α: 90.00° β: 90.00° γ: 90.00°

Symmetry:

Space Group: I 4

Crystal Properties:

Matthew's Coefficient: 4.03 Solvent Content: 69.46

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	2.750	26.100	23257	1195	96.800	?	0.271	57.900

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
2.750	100.000	97.000	0.087	?	15.800	3.900	?	23274	?	?	?

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	2.75	2.85	98.50	?	?	?	3.90	2362

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 BEAMLINE X25	1.1	NSLS	X25

Software