X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7
Temperature 293.0
Details PEG 8000, magnesium acetate, sodium cacodylate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, at 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 80.25 α = 90
b = 80.25 β = 90
c = 75.62 γ = 120
Symmetry
Space Group P 61

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-10-29
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7A 1.0000 EMBL/DESY, HAMBURG BW7A

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
1.11 20 98.2 0.046 -- -- 18.2 112015 109985 0.0 -3.0 12.2
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)
1.11 1.13 73.6 0.275 -- 3.8 -- 4935

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
MAD 1.11 20.0 -- 0.0 112015 109985 5409 98.2 0.1063 0.1063 0.1063 0.1247 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.64
RMS Deviations
Key Refinement Restraint Deviation
s_non_zero_chiral_vol 0.166
s_zero_chiral_vol 0.124
s_from_restr_planes 0.032
s_angle_d 0.035
s_bond_d 0.02
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1516
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 285

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
MLPHARE model building
SCALEPACK data reduction
DENZO data collection