2PXA

Crystal structure of the Murray Valley Encephalitis Virus NS5 2'-O Methyltransferase domain in complex with SAH and GTPG

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	4.6	293	0.2 M Ammonium acetate, 0.1 M Sodium acetate pH 4.6, 30 % w/v PEG 4000, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.423	α = 90
b = 80.28	β = 90
c = 84.814	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	ADSC QUANTUM 210		2006-03-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-1	0.93400	ESRF	ID14-1

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	100	0.091	32.6	13.8		24920		-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	100		0.662	3.4	9.7	2426

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	30	23377	1222	99.9	0.19059	0.18763	0.24576	RANDOM	34.26

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]
0.48			-0.38		-0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.493
r_dihedral_angle_3_deg	14.704
r_dihedral_angle_4_deg	14.445
r_scangle_it	8.719
r_scbond_it	6.499
r_mcangle_it	4.975
r_dihedral_angle_1_deg	4.912
r_mcbond_it	4.299
r_angle_refined_deg	1.246
r_mcbond_other	1.209
r_angle_other_deg	0.813
r_symmetry_vdw_other	0.255
r_nbd_refined	0.196
r_nbd_other	0.188
r_nbtor_refined	0.176
r_symmetry_hbond_refined	0.168
r_xyhbond_nbd_refined	0.138
r_symmetry_vdw_refined	0.123
r_nbtor_other	0.083
r_chiral_restr	0.066
r_bond_refined_d	0.009
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4164
Nucleic Acid Atoms
Solvent Atoms	244
Heterogen Atoms	116

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing