3WHJ

Crystal structure of Nas2 N-terminal domain

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	0.9M sodium acetate trihydrate, 0.1M HEPES (pH 8.5), 50mM cadmium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.25	62.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 64.59	α = 90
b = 64.59	β = 90
c = 149.76	γ = 120

Symmetry
Space Group	P 61 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 315		2012-08-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE BL13B1	0.97946	NSRRC	BL13B1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.65	50	99.8	0.088	45.7	10	23223	23180		-3	19

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.65	1.68	100		0.391	4.4	10.2	1106

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.65	20	21760	21760	1176	99.35	0.161	0.159	0.197	RANDOM	31.133

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-1.47	-1.47		-1.47		4.77

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	46.124
r_dihedral_angle_2_deg	39.536
r_dihedral_angle_4_deg	23.898
r_sphericity_bonded	21.497
r_dihedral_angle_3_deg	14.655
r_dihedral_angle_1_deg	5.828
r_rigid_bond_restr	3.442
r_angle_refined_deg	1.571
r_angle_other_deg	0.958
r_chiral_restr	0.12
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	892
Nucleic Acid Atoms
Solvent Atoms	97
Heterogen Atoms	15

Software

Software
Software Name	Purpose
HKL-2000	data collection
SOLVE	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling