X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 298.0
Details 40% PEG 400, 0.1 M Tris/HCl, 0.2 M Sodium citrate, 10 mM betamercaptoethanol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 67.92 α = 90
b = 68.15 β = 90
c = 83.34 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 280
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II -- 1999-09-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.5418 -- --

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 30 100.0 -- 0.08 -- 4.44 -- 37198 0.0 0.0 19.03
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 2.07 100.0 0.32 0.32 1.98 1.63 982

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 2.0 30.0 0.0 0.0 -- 11995 650 89.5 0.1903 0.1903 0.1891 0.2265 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 2.0 2.05 738 38 -- 0.2876 0.3816 -- --
X Ray Diffraction 2.05 2.11 854 56 -- 0.2571 0.2789 -- --
X Ray Diffraction 2.11 2.18 904 39 -- 0.2436 0.2717 -- --
X Ray Diffraction 2.18 2.26 930 38 -- 0.225 0.3216 -- --
X Ray Diffraction 2.26 2.35 944 43 -- 0.2178 0.2511 -- --
X Ray Diffraction 2.35 2.46 916 54 -- 0.2197 0.2873 -- --
X Ray Diffraction 2.46 2.59 921 59 -- 0.1981 0.1911 -- --
X Ray Diffraction 2.75 2.96 946 43 -- 0.1932 0.2438 -- --
X Ray Diffraction 3.26 3.73 967 49 -- 0.158 0.201 -- --
X Ray Diffraction 3.73 4.7 966 54 -- 0.1572 0.192 -- --
X Ray Diffraction 4.7 30.0 1007 57 -- 0.1658 0.1822 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Anisotropic
Mean Isotropic B 18.4695
Anisotropic B[1][1] -3.117
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.986
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.131
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.013
c_angle_deg 1.393
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1423
Nucleic Acid Atoms 0
Heterogen Atoms 13
Solvent Atoms 72

Software

Software
Software Name Purpose
EPMR phasing
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling