X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 281.0
Details PEG 20000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 281K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 83.72 α = 90
b = 83.72 β = 90
c = 42.27 γ = 90
Symmetry
Space Group P 41

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 225 mm CCD -- 2009-03-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 21-ID-D -- APS 21-ID-D

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 50 97.4 0.083 -- -- 12.2 -- 31792 -- -- --
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 1.76 75.6 0.661 -- -- 3.5 2426

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
SAD 1.7 25.0 -- 0.0 -- 31753 1606 97.71 -- 0.2116 0.21 0.2435 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 1.744 -- 93 1658 0.332 0.357 -- 73.63
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 28.5278
Anisotropic B[1][1] -0.11
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.11
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.22
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_4_deg 11.592
r_bond_refined_d 0.009
r_mcangle_it 1.301
r_dihedral_angle_3_deg 13.137
r_mcbond_it 0.697
r_scbond_it 1.747
r_dihedral_angle_2_deg 32.653
r_chiral_restr 0.083
r_angle_refined_deg 1.235
r_dihedral_angle_1_deg 5.284
r_gen_planes_refined 0.006
r_scangle_it 2.917
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1992
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 237

Software

Software
Software Name Purpose
HKL data reduction
REFMAC refinement version: 5.5.0109
PDB_EXTRACT data extraction version: 3.11
HKL data scaling