4NIA

Satellite Tobacco Mosaic Virus Refined at room temperature to 1.8 A Resolution using NCS Restraints

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIQUID DIFFUSION	6.5	296	9 crystals were grown in microgravity aboard IML-I mission of the U.S. Space Shuttle over 12 days using 20% ammonium sulfate as precipitant, pH 6.50, LIQUID DIFFUSION, temperature 296K
2	VAPOR DIFFUSION, SITTING DROP	6.5	296	12 crystals grown from 8% ammonium sulfate on earth with a reservoir of 14-16% ammonium sulfate, pH 6.50, VAPOR DIFFUSION, SITTING DROP, temperature 296K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 174.268	α = 90
b = 191.774	β = 90
c = 202.503	γ = 90

Symmetry
Space Group	I 2 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	290	AREA DETECTOR	SDMS	None	1992-02-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.54178

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	1.82	87.04	89.46	0.091		8.2	271689	268316			24.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.82	1.919	75

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1A34	1.82	87.04	271689	268316	3984	89.5	0.124	0.123	0.156	RANDOM	41.09

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]
0.08			0.02		-0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.892
r_dihedral_angle_4_deg	17.958
r_dihedral_angle_3_deg	12.881
r_scangle_it	9.743
r_dihedral_angle_1_deg	6.533
r_scbond_it	6.089
r_mcangle_it	4.739
r_mcbond_it	2.915
r_mcbond_other	1.282
r_angle_refined_deg	1.263
r_angle_other_deg	0.654
r_chiral_restr	0.076
r_bond_refined_d	0.009
r_gen_planes_refined	0.009
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	16770
Nucleic Acid Atoms	6720
Solvent Atoms	3381
Heterogen Atoms	23

Software

Software
Software Name	Purpose
SDMS	data collection
REFMAC	refinement
SDMS	data reduction
SDMS	data scaling