X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 30% MPEG 350, 5-10% PEG 3350, 70 MM NA CACODYLATE, PH 6.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 110.7 α = 90
b = 110.7 β = 90
c = 117.29 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD MIRROR 1999-06-06
Diffraction Radiation
Monochromator Protocol
SI(111), SI(113) 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
1.7 19.7 99.7 0.04 -- -- 5.7 -- 28866 -- 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)
1.7 1.74 99.0 0.58 -- 1.5 4.0 --

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 1.7 20.0 -- -- -- 28868 1519 99.7 -- -- 0.204 0.222 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 1.7 1.74 -- 101 2114 0.276 0.279 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.44
Anisotropic B[1][1] 1.56
Anisotropic B[1][2] 0.78
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.56
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.34
RMS Deviations
Key Refinement Restraint Deviation
r_xyhbond_nbd_refined 0.141
r_dihedral_angle_3_deg 18.478
r_mcbond_it 0.433
r_scangle_it 1.854
r_gen_planes_other 0.001
r_dihedral_angle_1_deg 5.017
r_bond_other_d 0.001
r_symmetry_vdw_refined 0.113
r_nbd_refined 0.206
r_chiral_restr 0.103
r_nbd_other 0.204
r_symmetry_hbond_refined 0.812
r_mcangle_it 0.809
r_gen_planes_refined 0.002
r_scbond_it 1.13
r_angle_refined_deg 1.586
r_symmetry_vdw_other 0.217
r_angle_other_deg 1.501
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 875
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 119

Software

Software
Software Name Purpose
REFMAC refinement version: 5.0.36
HKL-2000 data reduction
SCALEPACK data scaling
CNS phasing