X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5
Temperature 295.0
Details PEG 8000, sodium acetate, hexamine cobalt trichloride, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 157.3 α = 90
b = 45.1 β = 113.8
c = 198.5 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 90
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2003-02-21
Diffraction Radiation
Monochromator Protocol
double crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 0.979126 SSRL BL9-2

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
2.2 50 93.0 -- 0.075 -- 3.2 -- 61572 -- 3.0 23.9
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)
2.2 2.28 61.4 -- 0.371 2.3 2.2 4037

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 2.2 43.0 -- 0.0 61322 61322 3091 93.2 -- -- 0.217 0.26 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 2.2 2.34 7638 394 -- 0.265 0.286 0.014 70.5
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.4
Anisotropic B[1][1] 1.361
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.955
Anisotropic B[2][2] -4.981
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.62
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.8
c_dihedral_angle_d 26.6
c_scbond_it 2.057
c_bond_d 0.005
c_mcangle_it 2.112
c_scangle_it 2.899
c_angle_d 1.3
c_mcbond_it 1.308
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati Sigma A (Observed) 0.22
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.33
Luzzati Sigma A (R-Free Set) 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6904
Nucleic Acid Atoms 0
Heterogen Atoms 18
Solvent Atoms 612

Software

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