ISDA: 4KY8

X-RAY DIFFRACTION

Crystallization Details

Method	pH	Temprature	Details
X-RAY DIFFRACTION	8.0	298	14% (w/v) PEG 6000, 60 mM ammonium sulfate, 200 mM lithium sulfate and 100 mM Tris pH 8.0. ChTS-DHFR enzyme (~ 7 mg/ml) with 1 mM NADPH, 1 mM MTX, 1 mM FdUMP and 0.5 mM inhibitor., VAPOR DIFFUSION, HANGING DROP, temperature 298K

Unit Cell:

a: 214.162 Å b: 115.665 Å c: 218.767 Å α: 90.00° β: 94.36° γ: 90.00°

Symmetry:

Space Group: C 1 2 1

Crystal Properties:

Matthew's Coefficient: 4.48 Solvent Content: 72.56

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	?	3.084	48.120	70048	1959	71.20	0.2330	0.2663	82.3969

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
3.08	48.12	71.600	0.207	0.207	4.1	3.000	?	70173	1.5	?	70.12

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	3.100	3.150	11.300	?	?	?	1.300	?

Diffraction

Diffraction experiment

Crystal ID	Scattering Type	Data Collection Temprature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1		77 K

Radiation Source

Source	Type	Wavelength List	Synchrotron Site	Beamline
SYNCHROTRON	NSLS BEAMLINE X25	1.10	NSLS	X25

Software