X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch
pH 5
Temperature 291.0
Details PEG 4000, pH 5.0, Microbatch, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 94.22 α = 90
b = 94.22 β = 90
c = 146.08 γ = 120
Symmetry
Space Group P 62 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD RIGAKU JUPITER 210 -- 2003-05-28
Diffraction Radiation
Monochromator Protocol
mirror 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
2.6 50 99.8 0.092 -- -- 11.3 12645 12645 0.0 0.0 53.1
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)
2.6 2.69 99.9 0.502 -- 1.5 10.0 1230

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 2.6 44.84 -- 0.0 11633 11633 1200 93.9 0.231 0.225 0.225 0.286 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 2.6 2.76 1762 165 1597 0.344 0.39 0.03 87.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 62.4
Anisotropic B[1][1] 11.91
Anisotropic B[1][2] 12.85
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 11.91
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -23.82
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 24.1
c_bond_d 0.008
c_improper_angle_d 0.93
c_mcangle_it 2.23
c_angle_deg 1.4
c_scangle_it 2.5
c_mcbond_it 1.3
c_scbond_it 1.61
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.38
Luzzati Sigma A (Observed) 0.46
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.49
Luzzati Sigma A (R-Free Set) 0.49
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2529
Nucleic Acid Atoms 0
Heterogen Atoms 44
Solvent Atoms 33

Software

Software
Software Name Purpose
CNS refinement version: 1.1
HKL-2000 data reduction
SCALEPACK data scaling
CNS phasing version: 1.1