X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.2
Temperature 277.0
Details 1.6M ammonium sulphate, 0.1M 2-(N- Morpholino)ethanesulfonic acid, pH 6.2, VAPOR DIFFUSION, HANGING DROP at 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.49 α = 90
b = 114.86 β = 90
c = 73.61 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2001-04-27
Diffraction Radiation
Monochromator Protocol
single asymmetircally cut Si(III) crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MAX II BEAMLINE I711 1.08535 MAX_II I711

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
2.05 20 84.9 0.086 0.086 -- 3.1 40181 35855 -- -3.0 5.7
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)
2.05 2.1 91.6 0.186 0.186 -- -- --

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 2.05 19.91 0.0 0.0 35855 33983 1687 84.6 0.204 0.202 0.202 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 2.05 2.18 -- 309 5556 0.219 0.273 0.016 88.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 16.0
Anisotropic B[1][1] -5.34
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 6.26
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.92
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.014
c_dihedral_angle_d 21.8
c_scangle_it 0.87
c_mcangle_it 0.88
c_improper_angle_d 0.97
c_angle_deg 1.4
c_scbond_it 0.57
c_mcbond_it 0.55
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.29
Luzzati Sigma A (R-Free Set) 0.21
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4930
Nucleic Acid Atoms 0
Heterogen Atoms 234
Solvent Atoms 637

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
CNS refinement version: 0.9