X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 7.4
Temperature 298.0
Details PEG2000, magnesium chloride, tris, pH 7.4, VAPOR DIFFUSION, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.42 α = 90
b = 49.88 β = 90
c = 118.78 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
AREA DETECTOR MARRESEARCH -- 2000-09-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MAX II BEAMLINE I711 1.02916 MAX_II I711

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 26.1 97.3 -- -- -- -- 19585 19585 -- 2.0 7.9
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)
2.0 2.2 96.7 0.258 -- -- -- 22104

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 26.11 -- 0.0 20135 19585 1918 97.3 -- 0.231 0.231 0.273 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 2.0 2.15 3828 367 2891 0.26 0.315 0.019 97.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 16.8
Anisotropic B[1][1] -5.74
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.98
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 8.72
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.37
c_mcangle_it 1.91
c_bond_d 0.006
c_improper_angle_d 0.83
c_angle_deg 1.2
c_dihedral_angle_d 21.5
c_scangle_it 2.8
c_scbond_it 2.03
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.16
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2486
Nucleic Acid Atoms 0
Heterogen Atoms 24
Solvent Atoms 352

Software

Software
Software Name Purpose
MAR data collection
XDS data reduction
CNS refinement
MAR data reduction
XDS data scaling
CNS phasing