X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Crystal Formed During Dialysis of Protein (2.8mg/ml)
pH 7.5
Temperature 277.0
Details 50 mM Tris, 0.1 mM DTT, 0.1 mM EDTA, pH 7.5, crystal formed during dialysis of protein (2.8mg/ml), temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.47 α = 90
b = 55.47 β = 90
c = 128.75 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-01-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 1.0 APS 17-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
1.64 50 99.8 0.037 -- -- 13.0 25510 25510 0.0 0.0 19.0
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)
1.64 1.71 100.0 0.135 -- -- 9.4 --

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
SAS 1.64 20.0 -- 2.0 23531 23308 1352 -- -- -- 0.194 0.22 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 1.64 1.71 -- -- -- 0.238 0.276 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.0
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.013
c_angle_deg 1.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1115
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 207

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing
MLPHARE phasing
DM model building
CNS refinement
DM phasing