X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details 15% PEG 8000, 100MM HEPES BUFFER PH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.32 α = 90
b = 142.31 β = 90
c = 81.31 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 1998-06-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- 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
1.98 18 100.0 0.083 -- -- 5.3 -- 43230 -- -- --
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)
1.98 2.05 100.0 0.41 -- 3.5 5.4 --

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 1.98 20.0 -- -- -- 18438 995 99.6 -- 0.194 0.192 0.228 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 1.98 2.03 -- 78 1260 0.218 0.276 -- --
RMS Deviations
Key Refinement Restraint Deviation
r_bond_refined_d 0.016
r_scangle_it 4.516
r_xyhbond_nbd_refined 0.162
r_symmetry_vdw_other 0.177
r_nbd_refined 0.247
r_bond_other_d 0.001
r_chiral_restr 0.101
r_gen_planes_refined 0.006
r_metal_ion_refined 0.145
r_mcbond_it 0.962
r_dihedral_angle_3_deg 1.505
r_xyhbond_nbd_other 0.174
r_symmetry_hbond_refined 1.439
r_mcangle_it 1.843
r_nbd_other 0.227
r_scbond_it 2.671
r_angle_other_deg 1.61
r_symmetry_vdw_refined 0.135
r_gen_planes_other 0.003
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1976
Nucleic Acid Atoms 0
Heterogen Atoms 27
Solvent Atoms 126

Software

Software
Software Name Purpose
REFMAC refinement version: 5.0
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing