X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.4
Temperature 298.0
Details 0.1M tris, 0.2M ammonium formate, 8% Glycerol, 24%PEG3350, 1.6M Mercury sulphate in protein,, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.74 α = 90
b = 62.84 β = 90
c = 97.28 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SBC-2 mirrors 2003-06-17
Diffraction Radiation
Monochromator Protocol
Si 111 channel SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 1.013 APS 19-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
1.5 50 97.0 0.056 -- -- 10.5 -- 105550 2.0 4.0 15.5
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)
1.5 1.55 82.5 0.217 -- 5.04 5.6 5748

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 1.5 37.46 0.0 0.0 111575 105550 4830 94.6 -- 0.194 0.194 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 1.5 1.59 -- 410 14293 0.272 0.263 0.013 79.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 17.3
Anisotropic B[1][1] -1.54
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.29
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.82
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.82
c_dihedral_angle_d 23.3
c_angle_deg 1.3
c_bond_d 0.005
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.19
Luzzati Sigma A (R-Free Set) 0.11
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2887
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 502

Software

Computing
Computing Package Purpose
DTCOLLECT Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
CNS Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement