X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.0
Details 20% PEG3000, 100mM Hepes, 200mM NaCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.25 α = 90
b = 71.39 β = 90
c = 71.42 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 200
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2001-09-01
Diffraction Radiation
Monochromator Protocol
Yale Mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 1.0 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
1.8 20 99.7 0.047 -- -- 8.0 25871 25791 1.0 1.0 15.0
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)
1.8 1.86 96.9 0.444 -- 4.0 4.0 2468

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 1.8 20.0 1.0 1.0 25871 25791 1244 99.7 0.275 0.26 0.255 0.271 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 1.8 1.83 972 48 -- 0.37 0.381 0.03 96.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Anisotropic B[1][1] 2.163
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -8.406
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 6.243
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.013
c_dihedral_angle_d 22.0
c_mcangle_it 1.952
c_mcbond_it 1.098
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.04
Luzzati Sigma A (Observed) 0.2
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.045
Luzzati Sigma A (R-Free Set) 0.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2398
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 102

Software

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