X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 300.0
Details PEG 4K, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 300K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.03 α = 90
b = 55.03 β = 90
c = 161.87 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-08-30
CCD ADSC QUANTUM 4 -- 2002-07-20
Diffraction Radiation
Monochromator Protocol
sagitally focused Si MAD
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-D 1.2828,1.2894, 1.244, 1.3237 APS 14-BM-D
SYNCHROTRON CHESS BEAMLINE F2 1.2828,1.2894, 1.244, 1.3237 CHESS F2

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
2.7 27.5 -- 0.054 -- -- 5.33 7827 7827 0.0 0.0 36.3
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)
2.7 2.87 73.1 0.01145 -- 8.67 1.9 --

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
MAD 2.7 27.5 -- 0.0 7827 7827 786 93.6 -- 0.269 0.269 0.296 RANDOM
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 2.7 2.87 -- 37 906 0.326 0.318 0.052 69.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 47.8
Anisotropic B[1][1] 3.7
Anisotropic B[1][2] 6.7
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.7
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.4
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 26.0
c_mcbond_it 1.79
c_mcangle_it 3.2
c_scangle_it 3.41
c_improper_angle_d 1.01
c_angle_deg 1.9
c_bond_d 0.008
c_scbond_it 2.45
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.47
Luzzati Sigma A (R-Free Set) 0.51
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1813
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 147

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing
CNS refinement version: 1.0