X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 35% MPD, 5% PEG350(MME), 25MM TRIS PH 7.0,. 70MM SRCL2, 250MM UREA, 7MM SARKOSYL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 98.71 α = 90
b = 111.07 β = 90
c = 198.84 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC BENT MIRROR 1998-05-15
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL1-5 1.0332,0.9797,1.0688,0.9801,0.9795,0.9800 SSRL BL1-5

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
2.4 50 99.1 -- 0.079 -- 7.0 -- 42980 -- 0.0 10.0
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)
2.4 2.49 98.8 -- 0.309 7.6 6.7 --

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
OTHER 2.4 50.0 -- 0.0 -- 81606 7990 98.8 -- 0.265 0.265 0.303 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 2.4 2.55 -- 1338 12128 0.337 0.367 0.01 98.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 45.7
Anisotropic B[1][1] 1.54
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 8.86
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -10.4
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 2.83
c_dihedral_angle_d 16.8
c_mcangle_it 2.3
c_mcbond_it 1.38
c_bond_d 0.009
c_angle_deg 1.3
c_scangle_it 4.21
c_improper_angle_d 0.71
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.35
Luzzati Sigma A (Observed) 0.44
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.41
Luzzati Sigma A (R-Free Set) 0.47
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7017
Nucleic Acid Atoms 0
Heterogen Atoms 69
Solvent Atoms 19

Software

Software
Software Name Purpose
CNS refinement
d*TREK data reduction
DENZO data reduction
d*TREK data scaling
SCALEPACK data scaling
CNS phasing