X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 9
Details pH 9.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.25 α = 90
b = 94.9 β = 98
c = 96.2 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS MIRRORS --
Diffraction Radiation
Monochromator Protocol
NI FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID -- APS 17-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
2.1 15 99.0 0.08 0.08 -- 5.0 -- 40000 -- 0.0 53.0

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
MOLECULAR REPLACEMENT 2.5 8.0 -- 2.0 -- 17219 1751 73.4 -- -- 0.246 0.303 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 2.5 2.65 -- 143 1107 0.281 0.326 0.027 32.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 57.0
Anisotropic B[1][1] 1.15
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 2.17
Anisotropic B[2][2] 2.09
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.24
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 0.99
x_mcangle_it 4.36
x_scbond_it 3.94
x_dihedral_angle_d 21.9
x_angle_deg 1.4
x_mcbond_it 2.69
x_scangle_it 5.6
x_bond_d 0.01
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.33
Luzzati Sigma A (Observed) 0.27
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.42
Luzzati Sigma A (R-Free Set) 0.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4330
Nucleic Acid Atoms 0
Heterogen Atoms 76
Solvent Atoms 87

Software

Software
Software Name Purpose
CNS refinement version: 0.5
DENZO data reduction
SCALEPACK data scaling