X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 294.0
Details 20% PEG 4000, 0.1M Tris-HCl, 0.2M MgCl2, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.47 α = 90
b = 81.47 β = 90
c = 234.71 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2003-06-15
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C 0.964711, 0.979962, 0.980178 NSLS X8C

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
2.36 19.76 95.83 -- 0.046 -- -- 30408 30408 -- 0.0 --

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
MAD 2.36 19.76 0.0 0.0 -- 30408 1657 95.83 0.20931 0.20931 0.20619 0.267 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 2.36 2.42 -- 117 2029 0.218 0.312 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 38.389
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.01
RMS Deviations
Key Refinement Restraint Deviation
r_xyhbond_nbd_refined 0.165
r_dihedral_angle_1_deg 5.892
r_bond_refined_d 0.009
r_gen_planes_refined 0.004
r_chiral_restr 0.083
r_symmetry_vdw_refined 0.218
r_symmetry_hbond_refined 0.147
r_scangle_it 2.704
r_nbd_refined 0.208
r_mcbond_it 0.606
r_scbond_it 1.648
r_mcangle_it 1.156
r_angle_refined_deg 1.226
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4908
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 387

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
HKL-2000 data reduction
SCALEPACK data scaling
SOLVE phasing