2WV9

Crystal Structure of the NS3 protease-helicase from Murray Valley encephalitis virus

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2V8O	PDB ENTRIES 2V8O, 2IJO
experimental model	PDB	2IJO	PDB ENTRIES 2V8O, 2IJO

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				100 MM MES PH 6.0, 20% POLYETHYLENE GLYCOL 6000, 200 MM MAGNESIUM CHLORIDE

Crystal Properties
Matthews coefficient	Solvent content
2.29	46.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.91	α = 90
b = 105.46	β = 97.42
c = 80.068	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	CCD	ADSC CCD	MIRRORS	2007-05-14	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	2.75	43.937	99	0.09	19.2	7.7		17750		2

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	2.75	2.82	98		0.73	3.2	7.6

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRIES 2V8O, 2IJO	2.75	43.94	16866	884	98.6	0.268	0.267	0.27	0.3	0.31	RANDOM	6.17

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]
-0.29		-0.24	2.68		-2.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.945
r_dihedral_angle_3_deg	13.854
r_dihedral_angle_4_deg	13.516
r_dihedral_angle_1_deg	4.431
r_angle_refined_deg	0.899
r_scangle_it	0.434
r_nbtor_refined	0.294
r_mcangle_it	0.267
r_scbond_it	0.246
r_symmetry_vdw_refined	0.173
r_nbd_refined	0.169
r_mcbond_it	0.145
r_xyhbond_nbd_refined	0.112
r_symmetry_hbond_refined	0.084
r_chiral_restr	0.059
r_bond_refined_d	0.006
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_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	4677
Nucleic Acid Atoms
Solvent Atoms	89
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing