X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 288.0
Details 20% PEG 3350, 0.1M Bis-Tris Propane pH6.5, 0.2M sodium citrate, 0.1M taurine, VAPOR DIFFUSION, HANGING DROP, temperature 288K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 198.36 α = 90
b = 198.36 β = 90
c = 198.36 γ = 90
Symmetry
Space Group P 21 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 288
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate -- 2008-05-07
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.9725 ESRF ID14-4

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
3.5 30 99.8 0.108 -- -- 11.9 -- 32991 -- -- --

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 3.5 29.91 -- -- -- 31302 1670 99.77 -- 0.2223 0.2199 0.26935 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 3.5 3.591 -- 141 2263 0.26 0.305 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 55.839
RMS Deviations
Key Refinement Restraint Deviation
r_mcangle_it 1.111
r_chiral_restr 0.111
r_bond_refined_d 0.019
r_gen_planes_refined 0.008
r_angle_refined_deg 2.042
r_dihedral_angle_2_deg 37.186
r_dihedral_angle_3_deg 24.798
r_scbond_it 1.597
r_mcbond_it 0.557
r_scangle_it 2.824
r_dihedral_angle_1_deg 8.053
r_dihedral_angle_4_deg 21.343
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8080
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
REFMAC refinement version: 5.4.0077
MOSFLM data reduction
SCALA data scaling