X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.5
Temperature 293.0
Details Ammonium Sulphate, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 93.03 α = 90
b = 100.9 β = 90
c = 177.25 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
CCD MARRESEARCH -- 2002-03-01
Diffraction Radiation
Monochromator Protocol
Diamond SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 32-ID 0.97943 APS 32-ID

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
2.49 29.6 97.0 -- 0.077 -- 5.8 110855 108745 0.0 0.0 29.3
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 2.59 90.9 -- 0.282 3.0 3.5 10210

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 2.5 20.35 -- 0.0 111343 57672 5873 99.0 0.234 0.234 0.232 0.258 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 2.61 13469 960 8336 -- -- -- 96.4
X Ray Diffraction 2.61 2.75 13637 1353 12284 -- -- -- 97.8
X Ray Diffraction 2.75 2.92 13738 1405 12333 -- -- -- 98.7
X Ray Diffraction 2.92 3.15 13810 1442 12368 -- -- -- 99.3
X Ray Diffraction 3.15 3.46 13898 1397 12501 -- -- -- 99.8
X Ray Diffraction 3.46 3.96 13886 1379 12507 -- -- -- 99.9
X Ray Diffraction 3.96 4.98 13906 1390 12516 -- -- -- 99.8
X Ray Diffraction 4.98 20.35 13891 1450 12441 -- -- -- 99.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 37.08
Anisotropic B[1][1] -13.69
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -9.49
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 23.18
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.4
x_bond_d 0.007
x_torsion_deg 26.1
x_torsion_impr_deg 0.87
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.33
Luzzati Sigma A (Observed) 0.47
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.37
Luzzati Sigma A (R-Free Set) 0.51
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7033
Nucleic Acid Atoms 0
Heterogen Atoms 25
Solvent Atoms 227

Software

Software
Software Name Purpose
CNX refinement version: 2000.1
DENZO data reduction
SCALEPACK data scaling
CNX phasing version: 2000.1