X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help


Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 9.5
Temperature 293.0
Details 0.1 M CHES, 30% PEG 3350, streak seeding, pH 9.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 105.94 α = 90
b = 124.34 β = 90
c = 130.66 γ = 90
Space Group P 21 21 2


Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR225 CCD -- 2007-03-26
Diffraction Radiation
Monochromator Protocol
LN2 cooled fixed-exit Si(111) monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline

Data Collection

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
3.4 30 90.2 0.163 -- -- 3.6 21974 21974 0.0 -3.0 --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
3.4 3.52 69.7 0.212 -- 2.7 1.9 1669


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 3.4 30.0 -- 0.0 21954 21954 2187 90.2 0.21 0.21 0.21 0.252 random
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 3.4 3.52 1668 178 -- 0.284 0.328 -- 69.7
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 62.229
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.543
c_bond_d 0.011
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.39
Luzzati Sigma A (Observed) 0.52
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 12227
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0


Computing Package Purpose
MAR CCD Data Collection
HKL Data Reduction (intensity integration)
HKL Data Reduction (data scaling)
PHASER Structure Solution
CNS Structure Refinement
Software Name Purpose
pdb_extract version: 3.006 data extraction
CNS refinement
CNS density modification
Phaser molecular replacement
HKL data processing