X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details 45 % POLYETHYLENE GLYCOL 4,000, 120 MM LITHIUM SULFATE, 20 MM TRIS.HCL BUFFER, PH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.2 α = 90
b = 55.2 β = 90
c = 164.43 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 OXFORD -- 2001-01-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-BM -- APS 19-BM

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
2.3 45.83 99.5 0.109 -- -- 12.2 -- 11896 -- -- 33.2
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)
2.3 2.4 98.8 0.706 -- 1.3 11.3 --

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 2.3 45.83 -- 0.0 -- 11896 599 99.1 -- 0.23 0.23 0.263 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 2.3 2.4 -- 80 1306 0.337 0.369 0.041 96.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 54.0
Anisotropic B[1][1] 9.05
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 12.53
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -21.58
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.006
c_scangle_it 5.2
c_dihedral_angle_d 22.4
c_mcbond_it 2.07
c_mcangle_it 3.21
c_improper_angle_d 0.8
c_angle_deg 1.3
c_scbond_it 3.58
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.31
Luzzati Sigma A (Observed) 0.4
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.36
Luzzati Sigma A (R-Free Set) 0.36
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1623
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 33

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing