4H4K

Structure of the Cmr2-Cmr3 subcomplex of the Cmr RNA-silencing complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.4303.1520% Polyethylene Glycol (PEG1500) , pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 303.15K
Crystal Properties
Matthews coefficientSolvent content
2.8356.51

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 102.523α = 90
b = 135.958β = 90
c = 189.655γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93CCDMARMOSAIC 225 mm CCD2010-07-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-BM1.04560APS22-BM

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.85099.7328253276455
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.82.8598.3

Refinement

Statistics
Diffraction IDStructure Solution 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 DIFFRACTIONSAD2.80436.8333282531226190994.950.21850.21430.2838RANDOM
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]
9.8455-4.5081-5.3374
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d19.63
f_angle_d1.146
f_chiral_restr0.07
f_bond_d0.008
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6979
Nucleic Acid Atoms
Solvent Atoms1
Heterogen Atoms34

Software

Software
Software NamePurpose
HKL-2000data collection
PHENIXmodel building
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
PHENIXphasing