X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 8.5
Temperature 294.0
Details 100 mM Tris pH 8.5, 200 mM NaCl, 27-32% PEG 4000, 1 mM beta-mercaptoethanol, VAPOR DIFFUSION, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 25.25 α = 90
b = 91.92 β = 99.26
c = 51.24 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 98
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID -- APS 19-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
-- -- -- -- -- -- -- -- n/a -- -- 8.0

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 1.87 26.21 -- 0.0 -- 18937 1109 99.0 0.211 0.208 0.208 0.249 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 1.87 1.99 -- 189 2916 0.228 0.292 0.021 97.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 19.9
Anisotropic B[1][1] 3.26
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.47
Anisotropic B[2][2] -4.5
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.24
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.84
c_scbond_it 2.57
c_mcangle_it 2.44
c_mcbond_it 1.57
c_improper_angle_d 0.66
c_bond_d 0.005
c_angle_deg 1.2
c_dihedral_angle_d 26.9
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.28
Luzzati Sigma A (R-Free Set) 0.21
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2218
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 140

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
CNS model building
SCALEPACK data reduction
HKL-2000 data collection