X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 295.0
Details 50% PEG 200, 0.1M Tris-HCL, pH 8.0, VAPOR DIFFUSION,HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.56 α = 90
b = 117.73 β = 90
c = 141.88 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 ADSC QUANTUM 315 Flat mirror, single crystal Si(111) bent monochromator 2002-05-30
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL11-1 -- SSRL BL11-1

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
1.6 50.25 98.9 -- 0.071 -- 4.3 121887 121887 -- -- 23.189
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)
1.6 1.64 91.5 -- 0.539 1.7 2.7 8240

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
MR 1.6 20.0 -- 2.0 121811 120909 6098 98.1 -- -- 0.2032 0.2182 --
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 1.6 1.61 -- 122 1938 0.2888 0.2903 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 34.0
Anisotropic B[1][1] -4.841
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.167
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 4.674
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.2
c_bond_d 0.008
c_scbond_it 1.923
c_angle_deg 1.36
c_mcangle_it 1.879
c_scangle_it 3.002
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.1893
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7330
Nucleic Acid Atoms 0
Heterogen Atoms 342
Solvent Atoms 268

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
RESOLVE/SOLVE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
RESOLVE/SOLVE model building
Mosflm data collection
CNS refinement
CCP4/Scala data reduction