X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 0.1 M TRIS, 16-18% PEG4,000, 0.2 M POTASSIUM ACETATE SOAKED IN SAME BUFFER WITH 10 MM HOLMIUM CHLORIDE, pH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 96.25 α = 90
b = 96.25 β = 90
c = 47.33 γ = 90
Symmetry
Space Group I 41 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
PIXEL DECTRIS PILATUS 6M DYNAMICALLY BENDABLE MIRROR 2010-05-16
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 -- 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
2.5 48.12 99.6 0.1 -- -- 10.9 -- 4061 -- 4.3 47.34
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 2.62 97.1 0.35 -- 4.3 5.7 --

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
SIRAS 2.501 48.123 -- 1.96 -- 4054 332 99.25 -- 0.2193 0.2186 0.2347 --
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 2.5007 3.1505 -- 175 3451 0.2847 0.3142 -- 99.0
X Ray Diffraction 3.1505 48.1314 -- 157 3521 0.1973 0.2006 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 63.33
RMS Deviations
Key Refinement Restraint Deviation
f_plane_restr 0.003
f_bond_d 0.003
f_chiral_restr 0.051
f_angle_d 0.699
f_dihedral_angle_d 14.551
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 653
Nucleic Acid Atoms 0
Heterogen Atoms 3
Solvent Atoms 15

Software

Software
Software Name Purpose
PHENIX refinement version: (PHENIX.REFINE)
XDS data reduction
Aimless data scaling
PHENIX phasing