X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 291.0
Details 0.1M Mes, 10% PEG 4K, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 151.38 α = 90
b = 151.38 β = 90
c = 48.15 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2001-11-15
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9A 0.9794 NSLS X9A

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 20 72.3 0.032 -- -- -- 76551 55347 0.0 0.0 9.7
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)
1.8 1.86 54.5 0.135 -- -- -- --

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 2.0 19.67 -- 0.0 29610 26441 1315 95.1 -- -- 0.182 0.215 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 2.13 -- 174 3906 0.204 0.234 0.018 87.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 23.6
Anisotropic B[1][1] -5.97
Anisotropic B[1][2] -1.88
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -5.97
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 11.94
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 2.34
c_dihedral_angle_d 23.5
c_scangle_it 3.12
c_improper_angle_d 0.72
c_mcbond_it 1.26
c_angle_deg 1.2
c_bond_d 0.006
c_mcangle_it 1.94
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.24
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3512
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 361

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing
CNS refinement version: 0.9