X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.15
Temperature 295.0
Details NH4OAc, NaCitrate, PEG 4000, pH 6.15, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 134.81 α = 90
b = 134.81 β = 90
c = 225.18 γ = 120
Symmetry
Space Group P 62

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 Monochromator Double-crystal Si(111) 1998-11-08
Diffraction Radiation
Monochromator Protocol
Monochromator Double-crystal Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 0.9787 ALS 5.0.2

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
1.9 99 99.6 0.124 -- -- 9.0 -- 178211 -- 1.4 --
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)
1.9 1.93 46.2 0.821 -- 1.45 4.0 2193

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
SAD 2.0 57.84 -- 0.0 -- 178211 13871 92.2 0.183 0.183 0.183 0.211 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 2.0 2.13 -- 2197 42063 0.221 0.244 0.005 85.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 20.3
Anisotropic B[1][1] 1.6
Anisotropic B[1][2] 0.77
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.6
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.2
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.008
c_improper_angle_d 1.0
c_angle_deg 1.5
c_dihedral_angle_d 24.2
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.23
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10708
Nucleic Acid Atoms 0
Heterogen Atoms 260
Solvent Atoms 1213

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement
CNS phasing