X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
Temperature 277.0
Details 20-25% PEG 2000 monomethyl ether, 100 mM Hepes pH 7.2-8.4 0-200 mM NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.12 α = 90
b = 87.5 β = 90
c = 117.66 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-01-01
Diffraction Radiation
Monochromator Protocol
MIRROR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 -- ALS 5.0.2

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 25 95.9 0.055 -- -- 3.7 41269 40020 1.0 2.0 35.92
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 2.03 98.6 0.499 -- -- 2.4 1998

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
-- 2.0 25.0 0.0 0.0 41220 39471 3946 95.6 0.22 0.22 0.211 0.244 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 42.45
Anisotropic B[1][1] 7.61
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -10.63
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 2.74
c_scangle_it 3.61
c_angle_d 1.067
c_mcbond_it 1.73
c_bond_d 0.006
c_mcangle_it 2.41
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.26
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.29
Luzzati Sigma A (R-Free Set) 0.27
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4105
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 266

Software

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