X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details 20% PEG 3350, 0.2M DISODIUM PHOSPHATE DIHYDRATE, 6MG/ML PROTEIN, pH 8

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.08 α = 90
b = 82.7 β = 90
c = 299.34 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2009-06-20
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID23-1 -- ESRF ID23-1

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
1.9 149 88.8 0.05 -- -- 7.0 -- 101444 -- 3.0 26.631
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)
1.9 2.0 64.8 0.36 -- 6.3 6.0 --

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
MAD 1.9 149.07 -- -- -- 90291 4765 93.74 -- 0.19715 0.19518 0.2346 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 1.899 1.949 -- 285 4775 0.422 0.438 -- 68.55
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.649
Anisotropic B[1][1] 0.04
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.41
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.37
RMS Deviations
Key Refinement Restraint Deviation
r_bond_refined_d 0.016
r_dihedral_angle_3_deg 15.548
r_scangle_it 5.455
r_bond_other_d 0.006
r_mcangle_it 2.007
r_gen_planes_refined 0.008
r_angle_refined_deg 2.13
r_mcbond_it 1.22
r_dihedral_angle_4_deg 17.386
r_chiral_restr 0.135
r_angle_other_deg 3.08
r_scbond_it 3.409
r_dihedral_angle_1_deg 7.081
r_dihedral_angle_2_deg 39.302
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6426
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 808

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0102
XDS data reduction
XSCALE data scaling
autoSHARP phasing