X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.6
Temperature 298.0
Details PEG 2000-Monomethyl ether, Tris-Cl, pH 7.6, VAPOR DIFFUSION, HANGING DROP at 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 60.53 α = 90
b = 72.89 β = 90
c = 161.49 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 ADSC QUANTUM 4 mirrors 2002-03-23
Diffraction Radiation
Monochromator Protocol
Si 111 CHANNEL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-BM 0.978 APS 19-BM

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
2.8 30 90.9 -- -- -- -- -- 16577 2.0 1.0 -0.5

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 2.8 29.75 -- 0.0 16543 15367 1056 84.2 0.2191 0.2191 0.219 0.275 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 2.8 2.98 16577 123 1837 0.375 0.432 0.039 66.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 38.9
Anisotropic B[1][1] 15.87
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.17
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -14.71
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.92
c_dihedral_angle_d 24.5
c_angle_deg 1.4
c_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.48
Luzzati Sigma A (R-Free Set) 0.74
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4466
Nucleic Acid Atoms 0
Heterogen Atoms 28
Solvent Atoms 111

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
CNS model building
SCALEPACK data reduction
HKL-2000 data collection