X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 270.0
Details 12% (w/v) PEG 1500, 10% (w/v) isopropanol, 0.2 M ammonium acetate, 50 mM MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP at 270K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.2 α = 90
b = 151.16 β = 90
c = 271.62 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE KODAK -- 2001-11-05
Diffraction Radiation
Monochromator Protocol
CHESS F-2 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F2 1.000 CHESS F2

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
2.5 25 92.9 0.046 -- -- -- 68753 63872 -- -3.0 21.4
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)
2.5 2.66 -- -- -- -- -- --

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
MAD 2.5 23.85 0.0 0.0 68753 62523 3007 92.9 0.238 0.238 0.238 0.294 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 2.5 2.66 -- 397 7952 0.282 0.368 0.018 79.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 43.3
Anisotropic B[1][1] 23.43
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -11.54
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -11.89
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.41
c_scbond_it 1.84
c_bond_d 0.007
c_mcbond_it 1.41
c_scangle_it 2.74
c_angle_deg 1.5
c_dihedral_angle_d 23.6
c_improper_angle_d 0.91
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.45
Luzzati Sigma A (R-Free Set) 0.42
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 13884
Nucleic Acid Atoms 0
Heterogen Atoms 68
Solvent Atoms 171

Software

Software
Software Name Purpose
SOLVE phasing
CNS refinement version: 1.0
DENZO data reduction
CCP4 data scaling version: (TRUNCATE)