X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 291.0
Details PEG 8000, Tris-HCl pH 8.0, dithiothreitol, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 100.47 α = 90
b = 50.83 β = 105.28
c = 68.9 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-02-17
Diffraction Radiation
Monochromator Protocol
diamond 1 1 1 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 32-ID 0.96420 APS 32-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
2 100 99.2 0.092 -- -- 13.2 23523 23342 0.0 0.0 11.7
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)
2.0 2.07 93.0 0.227 -- -- 11.6 --

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 2.0 28.45 0.0 0.0 22886 22582 2238 98.7 0.211 -- 0.201 0.232 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 -- 324 3319 0.214 0.265 0.015 96.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 24.5
Anisotropic B[1][1] 6.35
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.63
Anisotropic B[2][2] 1.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.56
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.09
c_mcangle_it 1.87
c_scangle_it 2.04
c_bond_d 0.007
c_improper_angle_d 1.33
c_dihedral_angle_d 25.5
c_angle_deg 1.4
c_scbond_it 1.34
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Luzzati Sigma A (Observed) 0.11
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.26
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2533
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 251

Software

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