2XI5

N-terminal endonuclease domain of La Crosse virus L-protein

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		15-20 MG PER ML PROTEIN IN 20 MM HEPES 150 MM NACL 5MM MNCL2 AND 2.5 MM BETA-MERCAPTO-ETHANOL AT PH 7.5 AND A RESERVOIR COMPOSITION OF 3.4 M NA-FORMATE 0.1 M TRIS-HCL PH 8

Crystal Properties
Matthews coefficient	Solvent content
3.96	68.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 124.2	α = 90
b = 124.2	β = 90
c = 294.32	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	100	CCD	ADSC QUANTUM 315r		2009-10-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

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	2.2	50	95.4	0.08	23.5	11.1		65657

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	2.2	2.3	95.7		0.59	4.2	10.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	NONE	2.2	47.16	62367	3290	95.4	0.193	0.192	0.224	RANDOM	25.79

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]
0.54	0.27		0.54		-0.82

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.059
r_dihedral_angle_4_deg	15.761
r_dihedral_angle_3_deg	15.727
r_dihedral_angle_1_deg	5.817
r_scangle_it	4.675
r_scbond_it	2.816
r_mcangle_it	1.852
r_angle_refined_deg	1.547
r_mcbond_it	0.956
r_angle_other_deg	0.926
r_mcbond_other	0.22
r_chiral_restr	0.091
r_bond_refined_d	0.018
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6124
Nucleic Acid Atoms
Solvent Atoms	465
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
autoSHARP	phasing