X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 9.5
Temperature 293.0
Details 0.1 M CHES, 30% PEG 3350, streak seeding, pH 9.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 105.94 α = 90
b = 124.34 β = 90
c = 130.66 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR225 CCD -- 2007-03-26
Diffraction Radiation
Monochromator Protocol
LN2 cooled fixed-exit Si(111) monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SLS BEAMLINE X06SA 0.91988 SLS X06SA

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
3.4 30 90.2 0.163 -- -- 3.6 21974 21974 0.0 -3.0 --
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)
3.4 3.52 69.7 0.212 -- 2.7 1.9 1669

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
MOLECULAR REPLACEMENT 3.4 30.0 -- 0.0 21954 21954 2187 90.2 0.21 0.21 0.21 0.252 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 3.4 3.52 1668 178 -- 0.284 0.328 -- 69.7
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 62.229
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.543
c_bond_d 0.011
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.39
Luzzati Sigma A (Observed) 0.52
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 12227
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
PHASER phasing
CNS refinement
PDB_EXTRACT data extraction version: 3.006
MAR345 data collection version: CCD