X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 15% PEG 8K, 0.2M NA/K PHOSPHATE 0.1M TRIS, pH 8.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 126.88 α = 90
b = 126.88 β = 90
c = 126.88 γ = 90
Symmetry
Space Group F 2 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 1999-06-13
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
2.1 70 99.5 0.111 -- -- 4.4 -- 43406 -- 0.0 --
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)
2.1 2.14 99.5 0.742 -- 1.75 4.1 --

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 2.1 72.55 -- -- -- 8374 901 92.8 -- -- 0.144 0.216 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 2.1 2.15 -- 55 537 0.183 0.256 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.88
RMS Deviations
Key Refinement Restraint Deviation
r_chiral_restr 0.144
r_gen_planes_other 0.016
r_symmetry_vdw_other 0.298
r_angle_refined_deg 2.191
r_nbd_other 0.254
r_symmetry_hbond_refined 0.161
r_gen_planes_refined 0.013
r_mcbond_it 1.32
r_scbond_it 3.181
r_bond_refined_d 0.026
r_scangle_it 4.861
r_dihedral_angle_1_deg 6.244
r_nbd_refined 0.406
r_bond_other_d 0.004
r_nbtor_other 0.092
r_symmetry_vdw_refined 0.208
r_xyhbond_nbd_refined 0.198
r_mcangle_it 2.215
r_angle_other_deg 2.944
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1048
Nucleic Acid Atoms 0
Heterogen Atoms 25
Solvent Atoms 153

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.19
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing