X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 295.0
Details 100 mM Hepes pH 7.5, 100 mM ammonium sulfate, 16.5% PEG 8000, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 169.45 α = 90
b = 169.45 β = 90
c = 92.32 γ = 120
Symmetry
Space Group P 6 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 300 mm CCD -- 2010-04-25
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 21-ID-D 1.0 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
3.25 50 99.4 -- -- -- -- 12184 12111 -- 2.0 --

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 3.25 40.0 -- -- -- 12111 611 99.49 -- 0.25922 0.25655 0.30953 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 3.25 3.334 -- 38 838 0.33 0.404 -- 95.42
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 94.567
Anisotropic B[1][1] 5.07
Anisotropic B[1][2] 2.53
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 5.07
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.6
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 1.21
r_scbond_it 0.687
r_mcangle_it 0.52
r_mcbond_it 0.276
r_nbd_refined 0.222
r_gen_planes_refined 0.003
r_chiral_restr 0.07
r_dihedral_angle_4_deg 16.417
r_dihedral_angle_3_deg 22.183
r_dihedral_angle_2_deg 32.786
r_dihedral_angle_1_deg 5.496
r_angle_refined_deg 1.08
r_bond_refined_d 0.007
r_nbtor_refined 0.299
r_xyhbond_nbd_refined 0.142
r_symmetry_vdw_refined 0.169
r_symmetry_hbond_refined 0.177
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3177
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 21

Software

Computing
Computing Package Purpose
HKL-2000 Data Collection
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
Phaser Structure Solution
REFMAC 5.2.0019 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0019 refinement
Phaser model building
HKL-2000 data collection