X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.0
Details PEG8000, magnesium acetate, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 52.74 α = 90
b = 83.82 β = 90
c = 88.66 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SIEMENS -- 1997-10-27
Diffraction Radiation
Monochromator Protocol
Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 0.9765 APS 17-ID

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
1.8 50 97.33 0.067 -- -- 5.79 37591 36586 2.0 2.0 11.7
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)
1.8 1.9 97.33 0.348 -- -- 5.74 --

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 1.8 50.0 0.0 0.0 33641 32023 1824 -- 0.187 0.188 0.18 0.249 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 1.8 1.891 4188 251 -- 0.248 0.317 -- 86.0
X Ray Diffraction 1.891 1.992 4111 223 -- 0.198 0.24 -- 94.0
X Ray Diffraction 1.992 2.104 3783 205 -- 0.183 0.227 -- 96.0
X Ray Diffraction 2.104 2.23 3376 168 -- 0.173 0.227 -- 97.0
X Ray Diffraction 2.23 2.372 3048 169 -- 0.171 0.23 -- 98.0
X Ray Diffraction 2.372 2.532 2692 140 -- 0.167 0.226 -- 98.0
RMS Deviations
Key Refinement Restraint Deviation
p_mcangle_it 2.695
p_bond_d 0.011
p_angle_d 0.024
p_mcbond_it 1.901
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2426
Nucleic Acid Atoms 0
Heterogen Atoms 39
Solvent Atoms 462

Software

Software
Software Name Purpose
MERLOT phasing
REFMAC refinement
SMART data reduction
SAINT data scaling