X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 283.0
Details 28% PEG 4000, 0.2M ammonium sulfate, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 283K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.76 α = 90
b = 85.07 β = 90
c = 90.46 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 RAYONIX MX225HE -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 31-ID 0.97929 APS 31-ID

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
1.85 30.99 99.3 -- -- -- 6.9 26859 26718 -- 3.0 26.2
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)
1.85 1.95 99.0 -- -- 1.6 6.8 3800

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
FOURIER SYNTHESIS 1.85 30.99 -- -- -- 25329 1346 99.01 -- 0.22993 0.22869 0.25305 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 1.85 1.898 -- 58 1853 0.329 0.45 -- 98.51
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.676
Anisotropic B[1][1] -1.05
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.2
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.26
RMS Deviations
Key Refinement Restraint Deviation
r_bond_refined_d 0.007
r_dihedral_angle_2_deg 36.428
r_scangle_it 2.149
r_dihedral_angle_4_deg 17.731
r_mcangle_it 0.872
r_chiral_restr 0.066
r_scbond_it 1.259
r_dihedral_angle_3_deg 13.029
r_dihedral_angle_1_deg 4.932
r_gen_planes_refined 0.003
r_angle_refined_deg 0.974
r_mcbond_it 0.452
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2172
Nucleic Acid Atoms 0
Heterogen Atoms 28
Solvent Atoms 111

Software

Software
Software Name Purpose
CNS refinement
REFMAC refinement version: 5.5.0072
MOSFLM data reduction
SCALA data scaling
CNS phasing