X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch
pH 5.2
Temperature 295.0
Details PEG20K, Acetate, NaOH, pH 5.2, microbatch, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.37 α = 90
b = 82.6 β = 102.96
c = 72.58 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH mirrors 2006-11-25
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL26B1 1.0 SPring-8 BL26B1

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
1.65 41.3 96.8 0.065 0.058 -- 3.2 52629 50943 0.0 0.0 21.7
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)
1.65 1.71 90.7 0.282 0.258 2.1 2.7 4713

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 1.65 36.62 0.0 0.0 52629 50943 2541 96.6 -- 0.2 0.2 0.224 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 1.65 1.71 4572 237 -- 0.295 0.316 0.021 87.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Overall
Mean Isotropic B 26.8
Anisotropic B[1][1] 0.73
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.73
Anisotropic B[2][2] -6.67
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 5.94
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 23.7
c_angle_deg 1.2
c_improper_angle_d 0.85
c_bond_d 0.007
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.17
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3499
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 506

Software

Software
Software Name Purpose
HKL-2000 data collection
CNS refinement
HKL-2000 data reduction
SCALEPACK data scaling
CNS phasing