2PX5

Crystal structure of the Murray Valley Encephalitis Virus NS5 2'-O Methyltransferase domain in complex with SAH (Orthorhombic crystal form)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2PX2	PDB entry 2PX2

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	0.2 M Magnesium sulfate, 20 % w/v PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.9	α = 90
b = 89.1	β = 90
c = 101.9	γ = 90

Symmetry
Space Group	P 21 21 21

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	MARMOSAIC 225 mm CCD	mirrors	2005-12-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.97625	ESRF	BM14

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	2.3	30	95.9	0.123	12.3	6.2		27379		-1.5

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	2.3	2.4	81.3		0.436	2.3	4.5	2276

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 2PX2	2.3	20.12	25651	1328	96.07	0.19035	0.18681	0.2601	RANDOM	48.621

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]
-0.87			1.66		-0.79

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.137
r_dihedral_angle_4_deg	15.742
r_dihedral_angle_3_deg	15.419
r_scangle_it	8.974
r_scbond_it	7.214
r_mcangle_it	5.258
r_dihedral_angle_1_deg	4.868
r_mcbond_it	4.647
r_mcbond_other	1.376
r_angle_refined_deg	1.147
r_angle_other_deg	0.84
r_symmetry_hbond_refined	0.237
r_nbd_other	0.192
r_nbd_refined	0.19
r_nbtor_refined	0.177
r_xyhbond_nbd_refined	0.172
r_symmetry_vdw_other	0.167
r_symmetry_vdw_refined	0.162
r_nbtor_other	0.083
r_chiral_restr	0.059
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_bond_other_d	0.003
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4181
Nucleic Acid Atoms
Solvent Atoms	335
Heterogen Atoms	97

Software

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