X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 290.0
Details 1.8 - 2.4M Ammonium sulphate, 0.1M Tris-HCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 62.78 α = 90
b = 62.78 β = 90
c = 149.58 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-04-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 0.9780 SRS PX14.2

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
1.2 10 96.5 0.048 -- -- 5.5 53328 53328 0.0 0.0 13.6
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)
1.2 1.22 63.3 0.257 -- 2.8 2.7 1714

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
MIR 1.2 10.0 0.0 0.0 50614 50614 2714 96.5 0.127 0.127 0.126 0.146 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model anisotropic
Mean Isotropic B 16.8
Anisotropic B[1][1] 0.78
Anisotropic B[1][2] 0.39
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.78
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.18
RMS Deviations
Key Refinement Restraint Deviation
p_scangle_it 11.793
p_scbond_it 9.269
p_mcangle_it 6.065
p_mcbond_it 4.245
p_chiral_restr 0.11
p_angle_d 1.563
p_bond_d 0.012
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.031
Luzzati Sigma A (Observed) 0.025
Luzzati ESD (R-Free Set) 0.031
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1225
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 217

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
MLPHARE model building