X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 295.0
Details 45% PEG 200, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION,HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.35 α = 90
b = 116.43 β = 90
c = 140.56 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 2002-03-20
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
2.3 46.48 98.0 -- 0.081 -- 5.7 39615 39615 -- -- 34.877
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 2.36 93.1 -- 0.445 3.5 5.4 2762

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 2.3 20.0 -- 2.0 39539 39284 1971 97.2 -- -- 0.1882 0.23 --
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 2.3 2.32 -- 41 897 0.2232 0.2744 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 32.9
Anisotropic B[1][1] -6.698
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.942
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 4.756
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.176
c_angle_deg 1.22
c_scbond_it 1.98
c_bond_d 0.007
c_scangle_it 2.935
c_mcangle_it 1.865
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2591
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7221
Nucleic Acid Atoms 0
Heterogen Atoms 296
Solvent Atoms 201

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
RESOLVE model building
SOLVE phasing
CNS refinement
CCP4 data scaling version: (SCALA)
RESOLVE phasing