X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 100.0
Details 30% isopropanol, 0.1M Na Hepes, 0.2M magnesium chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 100K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 153.43 α = 90
b = 95.96 β = 93.04
c = 113.46 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2003-06-12
CCD MARRESEARCH -- 2003-06-11
Diffraction Radiation
Monochromator Protocol
-- sad
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-C 1.000 APS 14-BM-C
SYNCHROTRON APS BEAMLINE 14-ID-B 0.979 APS 14-ID-B

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
2.05 30 -- 0.073 -- -- 6.5 -- 164607 -- -- 16.7
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)
2.05 2.12 100.0 -- 0.503 3.3 -- 19497

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
SAD 2.05 24.63 -- 2.0 -- 164607 6458 81.2 -- 0.209 0.209 0.246 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 2.05 2.18 -- 808 19497 0.281 0.298 0.01 60.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 45.7
Anisotropic B[1][1] 1.87
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -4.4
Anisotropic B[2][2] 8.78
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -10.65
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.73
c_scbond_it 2.03
c_mcangle_it 2.28
c_dihedral_angle_d 22.1
c_bond_d 0.006
c_angle_deg 1.2
c_mcbond_it 1.4
c_scangle_it 3.08
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.27
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.3
Luzzati Sigma A (R-Free Set) 0.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10531
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 560

Software

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