X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 294.0
Details 0.17M ammonium acetate, 0.085M Tris-HCl pH 8.5, 25.5% PEG 4000, 15% glycerol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 65.6 α = 72
b = 87.5 β = 73.4
c = 100.7 γ = 69.81
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate flat mirrors 2000-02-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 0.78 SSRL BL9-1

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
2.8 20 -- -- -- -- -- 41494 41494 -- 0.5 --

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 2.8 19.99 -- 0.5 41494 38841 1930 -- 0.24 0.238 0.225 0.277 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.2
Anisotropic B[1][1] 4.63
Anisotropic B[1][2] -5.7
Anisotropic B[1][3] -2.1
Anisotropic B[2][2] -5.16
Anisotropic B[2][3] -4.88
Anisotropic B[3][3] 0.53
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 16092
Nucleic Acid Atoms 0
Heterogen Atoms 212
Solvent Atoms 0

Software

Software
Software Name Purpose
Blu-Ice data collection
MOSFLM data reduction
DENZO data reduction
SCALEPACK data scaling
SCALA data scaling
EPMR phasing
CNS refinement version: 1.0
CCP4 data scaling version: (SCALA)