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 -- 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_angle_other_deg 1.61
r_symmetry_vdw_refined 0.135
r_symmetry_hbond_refined 1.439
r_dihedral_angle_3_deg 1.505
r_mcangle_it 1.843
r_xyhbond_nbd_other 0.174
r_gen_planes_other 0.003
r_xyhbond_nbd_refined 0.162
r_symmetry_vdw_other 0.177
r_gen_planes_refined 0.006
r_mcbond_it 0.962
r_chiral_restr 0.101
r_nbd_refined 0.247
r_metal_ion_refined 0.145
r_scbond_it 2.671
r_bond_other_d 0.001
r_scangle_it 4.516
r_bond_refined_d 0.016
r_nbd_other 0.227
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC 5.0 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement
AMORE model building