X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 1.6M AMMONIUM SULPHATE, 6% PEG400, 0.1M HEPES PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 86.45 α = 90
b = 86.45 β = 90
c = 143.96 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 RIGAKU SATURN 944 VARIMAX HF 2010-06-23
Diffraction Radiation
Monochromator Protocol
CONFOCAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU FR-E SUPERBRIGHT -- -- --

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 23.12 97.6 0.11 -- -- 6.4 -- 19147 -- 2.0 38.9
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 2.59 97.0 0.85 -- 2.7 6.5 --

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
MOLECULAR REPLACEMENT 2.5 23.12 -- 0.0 -- 19147 1053 97.6 -- 0.226 0.226 0.255 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 2.5 2.59 -- 102 1850 0.335 0.394 0.043 97.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 51.5
Anisotropic B[1][1] -3.06
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -3.06
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 6.12
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 1.36
c_dihedral_angle_d 24.4
c_mcbond_it 1.06
c_mcangle_it 1.83
c_angle_deg 1.28
c_scangle_it 2.14
c_improper_angle_d 1.36
c_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.34
Luzzati Sigma A (Observed) 0.42
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.38
Luzzati Sigma A (R-Free Set) 0.46
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2948
Nucleic Acid Atoms 0
Heterogen Atoms 60
Solvent Atoms 165

Software

Software
Software Name Purpose
CNS refinement version: 1.3
HKL-2000 data reduction
HKL-2000 data scaling
PHASER phasing