X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microdialysis
pH 5.7
Temperature 277.0
Details 38% ethanol, 25mM sodium citrate, pH 5.7, MICRODIALYSIS, temperature 4K, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.9 α = 90
b = 65.5 β = 98.8
c = 42.7 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH osmic mirrors 2000-05-23
Diffraction Radiation
Monochromator Protocol
osmic mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.5418 -- --

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
1.8 55 45.0 0.084 -- -- 4.0 237362 107952 2.0 2.0 35.94
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)
1.8 55.0 97.8 0.23 -- -- 4.0 27620

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 1.8 25.3 2.0 2.0 27646 26967 1309 -- 0.264 0.203 0.203 0.228 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 1.8 1.91 4315 215 -- 0.264 0.297 0.02 98.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 42.8
Anisotropic B[1][1] -0.84
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.11
Anisotropic B[2][2] -5.3
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 6.14
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 26.8
c_angle_d 1.4
c_bond_d 0.009
c_improper_angle_d 2.12
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.12
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2581
Nucleic Acid Atoms 0
Heterogen Atoms 36
Solvent Atoms 150

Software

Software
Software Name Purpose
CNS refinement
DENZO data reduction
CCP4 data scaling version: (SCALA)
CNS phasing