2OXT

Crystal structure of Meaban virus nucleoside-2'-O-methyltransferase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	293	20% PEGMME 2000, nickel chloride 0.01M, Tris 0.1 M , pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.47	50.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.977	α = 90
b = 82.977	β = 90
c = 170.202	γ = 90

Symmetry
Space Group	P 43

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 315	Liquid nitrogen cooled channel-cut silicon monochromator and a cylindrical grazing incidence mirror	2006-03-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.954	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	2.9	40	95.4	0.095	12.4	3.2	24302	24302

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)
	2.9	3.06	96.8		0.526	3.1	3.2	3582

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1R6A	2.9	37.85	24302	23074	1213	95.4	0.23444	0.23444	0.23071	0.30597	RANDOM	58.639

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]
-3.66			-3.66		7.32

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.291
r_dihedral_angle_3_deg	19.5
r_dihedral_angle_4_deg	17.942
r_dihedral_angle_1_deg	5.253
r_scangle_it	1.968
r_angle_refined_deg	1.106
r_scbond_it	1.096
r_mcangle_it	0.848
r_mcbond_it	0.459
r_nbtor_refined	0.303
r_nbd_refined	0.207
r_symmetry_vdw_refined	0.182
r_xyhbond_nbd_refined	0.156
r_symmetry_hbond_refined	0.102
r_chiral_restr	0.07
r_bond_refined_d	0.008
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8296
Nucleic Acid Atoms
Solvent Atoms	5
Heterogen Atoms	108

Software

Software
Software Name	Purpose
ADSC	data collection
MOLREP	phasing
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling