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_mcangle_it 6.065
p_bond_d 0.012
p_scangle_it 11.793
p_angle_d 1.563
p_scbond_it 9.269
p_mcbond_it 4.245
p_chiral_restr 0.11
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

Software
Software Name Purpose
MLPHARE phasing
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling