X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 22.0
Details 35% Ethanol, 12 % MPD, 50 mM Calcium Acetate, 100 mM HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 22K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.67 α = 90
b = 113.21 β = 90
c = 156.18 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 113
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-05-06
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 1.282, 1.2832, 1.0333 SSRL BL9-2

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
2.1 18 98.8 0.063 -- -- 3.7 -- 56717 0.0 0.0 31.0
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)
2.1 2.23 98.5 0.243 -- 5.7 -- 8768

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 2.1 18.0 0.0 0.0 -- 56717 2874 98.8 -- -- 0.211 0.248 RANDOM
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7540
Nucleic Acid Atoms 0
Heterogen Atoms 57
Solvent Atoms 413

Software

Software
Software Name Purpose
MLPHARE phasing
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling