X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.8
Temperature 292.0
Details 1.2M KCl, 0.5M (NH4)Cl, 30mM MgCl2, 8% PEG, pH 5.80, VAPOR DIFFUSION, SITTING DROP at 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 212.9 α = 90
b = 300.47 β = 90
c = 575.18 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-12-05
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 1.0332 NSLS X25

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
3 50 98.7 0.144 0.144 -- 3.6 344322 339727 -- -3.0 33.1
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)
3.0 3.05 97.7 0.49 0.49 1.7 2.1 16729

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 3.0 20.0 -- 0.0 346861 327972 3203 94.6 -- 0.2011 0.201 0.242 same reflections as 1JJ2
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 3.0 3.11 -- 131 13488 0.338 0.346 0.03 37.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 43.9
Anisotropic B[1][1] 5.14
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.7
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.84
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.3
c_bond_d 0.008
c_improper_angle_d 1.57
c_dihedral_angle_d 15.6
c_mcangle_it 1.84
c_scbond_it 1.3
c_scangle_it 2.02
c_mcbond_it 1.12
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.4
Luzzati Sigma A (R-Free Set) 0.54
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 28801
Nucleic Acid Atoms 61617
Heterogen Atoms 269
Solvent Atoms 7882

Software

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