X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 1.4 M SODIUM ACETATE 0.1 M SODIUM CACODYLATE, PH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 175.3 α = 90
b = 175.3 β = 90
c = 175.3 γ = 90
Symmetry
Space Group P 21 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH PLANAR MIRROR AND TOROIDAL MIRROR 2000-05-15
Diffraction Radiation
Monochromator Protocol
SI(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 0.9790, 0.97940, 0.9500, 1.0448 MPG/DESY, HAMBURG BW6

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
2.6 27 90.8 0.062 -- -- 2.7 -- 47553 -- -- --
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)
2.6 2.74 75.5 0.159 -- 4.3 1.7 --

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 2.6 27.0 -- -- -- 47553 2582 90.8 -- -- 0.223 0.251 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 2.6 2.67 -- 140 2834 0.33 0.388 -- --
RMS Deviations
Key Refinement Restraint Deviation
r_symmetry_vdw_refined 0.345
r_nbd_refined 0.282
r_mcbond_it 1.272
r_angle_other_deg 2.499
r_bond_other_d 0.002
r_dihedral_angle_3_deg 1.112
r_gen_planes_refined 0.008
r_mcangle_it 2.403
r_gen_planes_other 0.004
r_chiral_restr 0.131
r_symmetry_vdw_other 0.285
r_nbd_other 0.25
r_scangle_it 6.403
r_xyhbond_nbd_refined 0.158
r_bond_refined_d 0.032
r_symmetry_hbond_refined 0.178
r_scbond_it 3.655
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9450
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 51

Software

Software
Software Name Purpose
REFMAC refinement version: 5.0.36
MOSFLM data reduction
SCALA data scaling
SOLVE phasing