X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 11% PEG 8000, 1 M NACL, 0.1 M TRIS/HCL PH 9.0, 20% GLYCEROL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.54 α = 90
b = 81.54 β = 90
c = 288.62 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2002-11-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F1 -- CHESS F1

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
2.75 50 90.3 0.079 -- -- 10.0 -- 27029 -- -- 34.3
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)
2.75 2.85 48.8 0.409 -- 2.5 1.4 --

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 2.75 48.1 -- 0.0 -- 24851 1281 83.2 -- 0.261 0.261 0.296 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 2.75 2.92 -- 119 1961 0.478 0.54 0.049 42.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 76.1
Anisotropic B[1][1] 11.16
Anisotropic B[1][2] 3.91
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 11.16
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -22.31
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 3.3
c_scangle_it 8.36
c_bond_d 0.009
c_angle_deg 1.4
c_dihedral_angle_d 25.0
c_mcangle_it 5.53
c_improper_angle_d 1.04
c_scbond_it 5.87
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.52
Luzzati Sigma A (Observed) 0.89
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.55
Luzzati Sigma A (R-Free Set) 0.91
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6124
Nucleic Acid Atoms 0
Heterogen Atoms 127
Solvent Atoms 45

Software

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