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_scangle_it 6.403
r_scbond_it 3.655
r_mcangle_it 2.403
r_mcbond_it 1.272
r_nbd_refined 0.282
r_gen_planes_other 0.004
r_gen_planes_refined 0.008
r_chiral_restr 0.131
r_dihedral_angle_3_deg 1.112
r_angle_other_deg 2.499
r_bond_other_d 0.002
r_bond_refined_d 0.032
r_nbd_other 0.25
r_xyhbond_nbd_refined 0.158
r_symmetry_vdw_refined 0.345
r_symmetry_vdw_other 0.285
r_symmetry_hbond_refined 0.178
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

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SOLVE Structure Solution
REFMAC 5.0.36 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0.36 refinement
SOLVE model building