X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 7.5
Temperature 293.0
Details PHOSPHATE BUFFER, pH 7.5, VAPOR DIFFUSION, temperature 293.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 70.91 α = 90
b = 40.34 β = 111.57
c = 39.15 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-11-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SEALED TUBE -- 1.5418 -- --

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
1.8 22.91 93.6 0.051 -- -- 3.2 -- 9048 -- -- 17.9
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)
1.8 1.84 74.5 0.22 -- 5.7 2.5 --

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
FOURIER SYNTHESIS 1.8 22.91 -- 0.0 -- 8865 925 91.7 0.192 0.189 0.189 0.222 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 1.8 1.86 -- 66 649 0.271 0.355 0.044 73.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 24.6
Anisotropic B[1][1] 4.12
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 3.66
Anisotropic B[2][2] -2.69
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.43
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 22.6
c_improper_angle_d 0.95
c_bond_d 0.01
c_angle_deg 1.1
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.23
Luzzati Sigma A (R-Free Set) 0.18
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 672
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 68

Software

Software
Software Name Purpose
CNS refinement
DENZO data reduction
SCALEPACK data scaling
CNS phasing