X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 293.0
Details 3.5 M Ammonium sulfate, 0.25% deoxycholic acid, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 32.4 α = 90
b = 32.4 β = 90
c = 178.4 γ = 90
Symmetry
Space Group P 43 2 2

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD APS-1 -- --
CCD SBC-2 -- 2001-12-18
Diffraction Radiation
Monochromator Protocol
-- MAD
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-BM 1.7394, 1.7411, 1.6919 APS 19-BM
SYNCHROTRON APS BEAMLINE 19-ID 1.0332 APS 19-ID

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
1.45 100 95.7 0.061 -- -- 5.0 30830 30830 -- -3.0 12.9
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)
1.45 1.5 72.8 0.134 -- 9.2 1.8 2323

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 1.45 30.0 -- 0.0 27804 26666 2751 95.0 0.1821 0.1821 0.1821 0.2267 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.4
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.0
s_similar_adp_cmpnt 0.073
s_rigid_bond_adp_cmpnt 0.0
s_anti_bump_dis_restr 0.042
s_non_zero_chiral_vol 0.071
s_zero_chiral_vol 0.078
s_from_restr_planes 0.0268
s_similar_dist 0.0
s_angle_d 0.029
s_bond_d 0.015
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Luzzati Sigma A (Observed) 0.11
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.18
Luzzati Sigma A (R-Free Set) 0.08
Number Disordered Residues 1.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 798.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 532
Nucleic Acid Atoms 0
Heterogen Atoms 172
Solvent Atoms 95

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
SHELX model building