X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 277.0
Details 0.9M Ammomium Sulfate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 67.6 α = 90
b = 67.6 β = 90
c = 141 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-03-25
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL44B2 1.00 SPring-8 BL44B2

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
1.49 19.78 -- -- -- -- -- 54055 54055 0.0 -- 16.3

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 1.5 19.78 -- -- 53155 51713 5236 97.3 -- -- 0.192 0.213 --
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 1.5 1.57 5739 577 5162 0.224 0.24 0.01 87.8
X Ray Diffraction 1.57 1.65 6355 610 5745 0.204 0.232 0.009 97.0
X Ray Diffraction 1.65 1.75 6393 669 5724 0.19 0.201 0.008 97.6
X Ray Diffraction 1.75 1.89 6464 638 5826 0.188 0.209 0.008 98.2
X Ray Diffraction 1.89 2.08 6543 705 5838 0.193 0.219 0.008 98.9
X Ray Diffraction 2.08 2.38 6559 634 5925 0.182 0.21 0.008 98.8
X Ray Diffraction 2.38 3.0 6680 687 5993 0.197 0.21 0.008 99.3
X Ray Diffraction 3.0 19.78 6980 716 6264 0.191 0.211 0.008 99.3
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.17
Anisotropic B[1][1] 1.27
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.27
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.53
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.1
x_torsion_deg 22.3
x_torsion_impr_deg 0.83
x_bond_d 0.005
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Luzzati Sigma A (Observed) 0.06
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.17
Luzzati Sigma A (R-Free Set) 0.07
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2070
Nucleic Acid Atoms 0
Heterogen Atoms 56
Solvent Atoms 405

Software

Software
Software Name Purpose
CNS refinement version: 1.1
HKL-2000 data reduction
SCALEPACK data scaling
CNS phasing