X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Details 28% PEG 400, 250 mM CaCl2, 1 mM SmCl3, pH 7.0, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 36.15 α = 90
b = 87.53 β = 97.76
c = 79.43 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRANDEIS -- 1999-11-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID -- APS 19-ID
SYNCHROTRON APS BEAMLINE 19-ID -- APS 19-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
2.3 40 99.5 0.058 -- -- 8.0 21877 21454 2.0 2.0 45.0
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)
2.3 2.38 90.1 0.25 -- -- 7.0 --

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
-- 2.3 40.0 2.0 2.0 21877 21494 2133 10.0 0.223 0.223 0.223 0.294 randomly selected 10% of reflections
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.22
c_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4090
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 132

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
PHASES Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
PHASES model building
SCALEPACK data reduction
DENZO data collection