3CZ3

Crystal structure of Tomato Aspermy Virus 2b in complex with siRNA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION529320% PEG 4000, 0.2 M ammonium sulfate, 0.1 M sodium acetate, pH 5.0, VAPOR DIFFUSION, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.9458.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 120.9α = 90
b = 165.67β = 90
c = 35.59γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray200CCDADSC QUANTUM 3152006-10-19MMAD
21x-ray200CCDADSC QUANTUM 3152006-10-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.97907, 0.97927, 0.96411APS24-ID-C
2SYNCHROTRONAPS BEAMLINE 24-ID-C0.97918APS24-ID-C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
1,23.25087.90.090.0910.75.9120561059722
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
3.23.3169.60.5740.5742.65.4803

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT3.2350120567907755650.2310.2260.274RANDOM106.986
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]
-0.840.650.19
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.467
r_dihedral_angle_3_deg20.88
r_dihedral_angle_4_deg19.506
r_dihedral_angle_1_deg4.758
r_angle_refined_deg1.467
r_scangle_it1.051
r_mcangle_it0.907
r_scbond_it0.546
r_mcbond_it0.49
r_nbtor_refined0.29
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.467
r_dihedral_angle_3_deg20.88
r_dihedral_angle_4_deg19.506
r_dihedral_angle_1_deg4.758
r_angle_refined_deg1.467
r_scangle_it1.051
r_mcangle_it0.907
r_scbond_it0.546
r_mcbond_it0.49
r_nbtor_refined0.29
r_symmetry_hbond_refined0.223
r_nbd_refined0.22
r_symmetry_vdw_refined0.21
r_xyhbond_nbd_refined0.182
r_chiral_restr0.12
r_bond_refined_d0.007
r_gen_planes_refined0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1926
Nucleic Acid Atoms3240
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHELXphasing
DMphasing
REFMACrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
SHELXDphasing