X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 20% AMMONIUM SULPHATE, 1M KCL, 40MM HEPES PH 7

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 184.18 α = 90
b = 184.18 β = 90
c = 215.01 γ = 120
Symmetry
Space Group P 62 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU R-AXIS IV MIRRORS 2002-04-02
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU FR-D -- -- --

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
2.8 30 94.1 0.08 -- -- 6.0 -- 50354 -- 0.0 50.4
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)
2.8 2.85 95.0 0.3 -- 6.2 -- --

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
OTHER 2.8 28.4 -- 0.0 -- 50220 1015 94.1 -- 0.221 0.221 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 2.8 2.98 -- 175 8125 0.294 0.343 0.026 95.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUP
Mean Isotropic B 48.2
Anisotropic B[1][1] 5.27
Anisotropic B[1][2] 12.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 5.27
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -10.54
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.006
c_improper_angle_d 0.68
c_dihedral_angle_d 20.8
c_angle_deg 0.9
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.36
Luzzati Sigma A (Observed) 0.41
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.44
Luzzati Sigma A (R-Free Set) 0.48
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8887
Nucleic Acid Atoms 0
Heterogen Atoms 53
Solvent Atoms 172

Software

Software
Software Name Purpose
CNS refinement version: NULL
DENZO data reduction
SCALEPACK data scaling