X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Under Microgravity
pH 7.5
Temperature 298.0
Details Ammonium sulfate, Tris-HCl, EDTA, DTT, PMSF, pH 7.5, Under microgravity, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 62.02 α = 90
b = 156.1 β = 90
c = 177.98 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
2 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH mirrors 1996-11-25
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 0.91 EMBL/DESY, HAMBURG X11

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 25 -- 0.057 -- -- -- -- 100854 -3.0 -3.0 42.0
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)
2.0 2.07 77.9 0.235 -- 2.16 -- --

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 2.01 11.98 -- 0.0 -- 81861 2438 70.7 -- -- 0.217 0.246 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 2.01 2.12 -- 299 9612 0.245 0.276 0.016 51.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 42.0
Anisotropic B[1][1] 6.81
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -8.72
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.91
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.18
c_dihedral_angle_d 23.3
c_angle_deg 1.7
c_bond_d 0.009
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.16
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.29
Luzzati Sigma A (R-Free Set) 0.18
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9334
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 187

Software

Computing
Computing Package Purpose
DENZO 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