X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 293.0
Details 23% PEG350, 0.26-0.30 M sodium chloride, 100 mM Bis-Tris, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 68.45 α = 90
b = 182.82 β = 90
c = 242.77 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 MARMOSAIC 300 mm CCD -- 2011-07-22
Diffraction Radiation
Monochromator Protocol
Double crystal cryo-cooled Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 23-ID-B 1.033 APS 23-ID-B

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
2.35 50 99.9 -- -- -- -- 127533 127533 0.0 -3.0 --

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 2.35 39.67 -- -- 127533 120959 6451 99.38 -- 0.20448 0.20277 0.23686 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 2.347 2.408 -- 441 7699 0.319 0.374 -- 92.14
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 63.118
Anisotropic B[1][1] -0.05
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.39
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.34
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.006
r_chiral_restr 0.097
r_bond_refined_d 0.01
r_angle_refined_deg 1.387
r_dihedral_angle_3_deg 16.34
r_scbond_it 1.556
r_scangle_it 2.697
r_dihedral_angle_2_deg 37.151
r_dihedral_angle_4_deg 14.454
r_mcangle_it 1.021
r_mcbond_it 0.539
r_dihedral_angle_1_deg 6.19
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 16069
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 309

Software

Software
Software Name Purpose
HKL-2000 data collection
CCP4 model building
REFMAC refinement version: 5.5.0109
HKL-2000 data reduction
HKL-2000 data scaling
CCP4 phasing