X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 9
Temperature 293.0
Details ammonium sulfate, tris-HCL, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.2 α = 90
b = 91.2 β = 90
c = 45.85 γ = 120
Symmetry
Space Group P 6

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS HI-STAR -- 2000-11-07
Diffraction Radiation
Monochromator Protocol
LONG SUPPER 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
1.7 19 93.8 0.088 -- -- -- 22467 22467 0.0 0.0 7.7
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)
1.7 1.81 73.9 -- -- -- -- --

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
Isomorphic with wild-type 1.7 18.12 -- -- 22467 22467 2231 93.8 -- -- 0.168 0.202 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 1.7 1.81 -- 309 2619 0.231 0.25 0.014 73.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 14.3
Anisotropic B[1][1] 1.2
Anisotropic B[1][2] -1.3
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.2
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.41
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.5
c_mcangle_it 2.24
c_improper_angle_d 0.72
c_scbond_it 3.52
c_bond_d 0.011
c_dihedral_angle_d 17.1
c_mcbond_it 1.55
c_scangle_it 5.36
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.16
Luzzati Sigma A (Observed) 0.16
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.19
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1220
Nucleic Acid Atoms 0
Heterogen Atoms 49
Solvent Atoms 218

Software

Software
Software Name Purpose
SAINT data scaling
XDS data reduction
CNS refinement
SAINT data reduction
XDS data scaling
CNS phasing