X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 295.0
Details 47% PEG 200, 0.1M Tris-HCL, pH 8.0, VAPOR DIFFUSION,HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.64 α = 90
b = 116.96 β = 90
c = 141.93 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 4r Flat mirror,single crystal Si(311) bent monochromator 2002-04-22
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 -- SSRL BL9-1

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
1.9 45.13 99.2 -- 0.075 -- 4.2 71914 71914 -- -- 24.902
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)
1.9 1.95 96.6 -- 0.75 1.8 4.1 5117

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 2.0 20.0 -- 2.0 61981 61604 3129 99.0 -- -- 0.1938 0.2323 --
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 2.0 2.01 -- 74 1097 0.2454 0.2838 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 30.0
Anisotropic B[1][1] -3.733
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.67
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.064
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.996
c_mcangle_it 1.96
c_scbond_it 1.993
c_mcbond_it 1.277
c_angle_deg 1.19
c_bond_d 0.006
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2276
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7266
Nucleic Acid Atoms 0
Heterogen Atoms 296
Solvent Atoms 428

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
CNS refinement
RESOLVE/SOLVE model building
CCP4/Scala data reduction
Mosflm data collection