X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6
Temperature 291.0
Details 13% PEG 4000, 0.1M Bis-Tris pH 6.0, 20% MPD, 0.2M Lithium Sulfate , VAPOR DIFFUSION, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 69.85 α = 90
b = 69.85 β = 90
c = 117.17 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 MARRESEARCH -- 2003-06-07
Diffraction Radiation
Monochromator Protocol
SAGITALLY FOCUSED Si(111) SAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 31-ID 0.9798 APS 31-ID

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
1.9 20 99.5 -- 0.106 -- -- 26774 26640 -- -3.0 35.2
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)
1.9 1.97 94.3 -- -- -- -- --

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
SAD 2.2 19.87 -- 0.0 17330 15441 797 89.1 -- 0.22 0.22 0.251 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 2.2 2.34 -- 123 1997 0.268 0.304 0.027 75.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 36.6
Anisotropic B[1][1] 4.44
Anisotropic B[1][2] 1.5
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.44
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -8.89
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 4.36
c_scbond_it 2.96
c_mcangle_it 2.33
c_mcbond_it 1.45
c_improper_angle_d 0.67
c_dihedral_angle_d 24.9
c_angle_deg 1.1
c_bond_d 0.007
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.32
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2002
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 143

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE/RESOLVE Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement
SOLVE/RESOLVE model building
SCALEPACK data reduction
DENZO data collection