X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 293.15
Details 0.1 M Tris-HCl, pH 7.0 4.2 M Na-formate, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 124.17 α = 90
b = 124.17 β = 90
c = 150.43 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2011-04-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 24-ID-C -- APS 24-ID-C

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
3.2 30 99.7 0.103 -- -- 6.7 7473 7451 3.0 -- --
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)
3.2 3.31 99.6 0.74 -- 2.1 6.9 738

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 3.21 20.0 -- 0.0 7105 7084 341 99.7 0.22499 0.22499 0.22281 0.26906 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 3.211 3.292 -- -- 495 0.298 0.362 -- 98.29
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 103.08
Anisotropic B[1][1] 1.0
Anisotropic B[1][2] 0.5
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.5
RMS Deviations
Key Refinement Restraint Deviation
r_bond_refined_d 0.007
r_scangle_it 1.525
r_nbd_refined 0.162
r_gen_planes_refined 0.003
r_scbond_it 0.795
r_xyhbond_nbd_refined 0.184
r_angle_refined_deg 1.361
r_nbtor_refined 0.276
r_chiral_restr 0.057
r_symmetry_vdw_refined 0.146
r_symmetry_hbond_refined 0.148
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 2176
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
CBASS data collection
REFMAC refinement
HKL-2000 data reduction
HKL-2000 data scaling
REFMAC phasing