X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7
Temperature 298.0
Details 0.1M Tris, 2.0M (NH4)SO4, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 171.53 α = 90
b = 171.53 β = 90
c = 75.07 γ = 120
Symmetry
Space Group P 63

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2006-10-17
Diffraction Radiation
Monochromator Protocol
Side-scattering cuberoot I-beam bent single crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 0.99 SSRL BL9-1

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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
1.75 50 -- -- -- -- -- -- 113083 -- -- --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.75 50.0 -- 0.0 -- 113083 5736 89.2 -- -- 0.217 0.233 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.91
Anisotropic B[1][1] -0.573
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.573
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.147
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 1.683
c_mcbond_it 1.116
c_scbond_it 2.048
c_bond_d 0.006
c_angle_deg 1.264
c_scangle_it 2.996
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7904
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 320

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement
PDB_EXTRACT data extraction version: 3.005
CNS phasing