X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.4
Temperature 293.0
Details PEG 3350, Magnesium sulfate, Hepes, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.94 α = 90
b = 49.94 β = 90
c = 80.91 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
2 93
3 93
4 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 1998-10-30
IMAGE PLATE RIGAKU RAXIS IV -- 1998-10-30
IMAGE PLATE RIGAKU RAXIS IV -- 1998-10-30
IMAGE PLATE RIGAKU RAXIS IV -- 1998-10-30
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

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
1.7 30 99.9 0.087 -- -- 4.8 13342 12725 0.0 0.0 --
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)
1.7 1.78 77.0 0.286 -- -- 2.34 --

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
-- 1.7 30.0 0.0 0.0 13357 12725 1313 -- -- 0.245 0.245 0.285 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.745
c_bond_d 0.0126
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 896
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 88

Software

Computing
Computing Package Purpose
R-AXIS Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
SOLVE model building
CNS refinement