X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Batch
pH 5.5
Temperature 278.0
Details 13% me-peg 350, 100 mM NaCl, 50 mM MES, pH 5.5, Batch, temperature 278K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.4 α = 90
b = 49.4 β = 90
c = 249.8 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 APS-1 -- 1998-12-01
Diffraction Radiation
Monochromator Protocol
ID-19 optics MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.94290, 0.97939, 0.97960, 1.0205 APS 19-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
2.1 100 91.0 0.082 -- -- 6.0 10494 10494 0.0 0.0 --
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)
2.1 2.18 63.0 0.177 -- -- 2.5 --

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 2.1 30.0 0.0 0.0 10482 10482 1033 -- 0.178 0.178 0.178 0.247 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 2.1 -- -- -- -- -- -- -- --
RMS Deviations
Key Refinement Restraint Deviation
t_dihedral_angle_d 0.007
t_angle_deg 2.58
t_bond_d 0.017
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1207
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 136

Software

Computing
Computing Package Purpose
D*TREK Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE Structure Solution
TNT Structure Refinement
Software
Software Name Purpose
TNT refinement
SOLVE model building