X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 20.0
Details 10% PEG6000, 2M NaCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 20K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 131.13 α = 90
b = 155.36 β = 90
c = 129.91 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-10-16
Diffraction Radiation
Monochromator Protocol
Si filter SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 1.05 MPG/DESY, HAMBURG BW6

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 25 98.7 0.056 0.056 -- 3.9 87995 345047 0.0 0.0 31.9
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)
2.0 2.1 98.5 0.452 0.452 4.8 3.7 48550

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
SIRAS 2.0 20.0 0.0 0.0 -- -- -- -- 0.208 0.208 0.206 0.253 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Anisotropic
Mean Isotropic B 39.7
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.53
c_bond_d 0.011
c_mcbond_it 3.09
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7190
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 747

Software

Software
Software Name Purpose
SHARP phasing
CNS refinement version: 0.9
DENZO data reduction
CCP4 data scaling version: (SCALA)