X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 2.2 M AMMONIUM FORMATE, 200 MM HEPES PH7.5, pH 7.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 139.86 α = 90
b = 78.93 β = 123.9
c = 93.2 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2001-07-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14

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
1.75 54.76 97.1 0.067 -- -- 4.6 -- 82386 -- -- --
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)
1.75 1.84 89.7 0.265 -- 2.7 2.5 --

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
MAD 1.75 40.0 -- -- -- 78276 4105 97.1 -- -- 0.142 0.17 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 1.75 1.79 -- 245 5095 0.194 0.249 -- --
RMS Deviations
Key Refinement Restraint Deviation
r_angle_other_deg 1.54
r_bond_refined_d 0.014
r_mcangle_it 1.195
r_bond_other_d 0.001
r_symmetry_vdw_other 0.313
r_symmetry_hbond_refined 0.176
r_symmetry_vdw_refined 0.332
r_scbond_it 1.981
r_mcbond_it 0.686
r_dihedral_angle_3_deg 0.801
r_gen_planes_other 0.003
r_gen_planes_refined 0.007
r_xyhbond_nbd_refined 0.166
r_nbd_refined 0.228
r_chiral_restr 0.106
r_nbd_other 0.197
r_scangle_it 3.025
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6505
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 572

Software

Software
Software Name Purpose
REFMAC refinement version: 5.0.32
MOSFLM data reduction
SCALA data scaling
CNS phasing