ISDA

8OOL

X-RAY DIFFRACTION

Crystallization Details

Method	pH	Temprature	Details
X-RAY DIFFRACTION	7.5	291	Crystallization was performed in an anoxic tent (with a gas phase of 95% N2/5% H2) on a 96-well two-drop MRC crystallization plate in polystyrene (Molecular Dimensions, Suffolk, UK). The sitting drops contained a mix of 0.7 ml of the glutamine synthetase at 15 mg/ml with 10 mM TbXo4 and 0.7 ml of precipitant solution (35 % Pentaerythritol ethoxylate (15/4 EO/OH), 200 mM Ammonium sulphate, 100 mM HEPES pH 7.5).

Unit Cell:

a: 131.434 Å b: 228.448 Å c: 204.803 Å α: 90.00° β: 90.00° γ: 90.00°

Symmetry:

Space Group: C 2 2 21

Crystal Properties:

Matthew's Coefficient: 2.55 Solvent Content: 51.80

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	1.65	49.78	361148	17860	98.72	0.1641	0.1850	33.52

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
1.65	49.78	98.9	0.063	?	11.9	6.9	?	361584	?	?	?

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	1.65	1.74	97.9	?	?	1.6	6.9	?

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	ESRF BEAMLINE ID29	0.97625	ESRF	ID29

Software