X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8.5
Temperature 291.0
Details 2M Ammonium sulphate, 0.1M Tris HCl, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 172.63 α = 90
b = 172.63 β = 90
c = 82.29 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 210 -- 2003-07-08
Diffraction Radiation
Monochromator Protocol
Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 0.9791 ESRF ID29

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
2.1 30 99.1 0.052 -- -- 3.9 27278 27278 0.0 0.0 --
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)
2.098 2.14 99.8 -- -- -- -- 1362

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 2.098 28.1 -- 0.0 25903 25903 1374 99.03 0.1802 0.1802 0.17683 0.2471 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 2.098 2.153 1853 111 1853 0.207 0.29 -- 99.75
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 45.562
Anisotropic B[1][1] 1.17
Anisotropic B[1][2] 0.58
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.17
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.75
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.007
r_chiral_restr 0.122
r_dihedral_angle_1_deg 5.734
r_angle_refined_deg 1.587
r_bond_refined_d 0.017
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3126
Nucleic Acid Atoms 0
Heterogen Atoms 100
Solvent Atoms 177

Software

Computing
Computing Package Purpose
ADSC Quantum Data Collection
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
SHELXD Structure Solution
REFMAC 5.6.0095 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0095 refinement
SHELXD model building
ADSC version: Quantum data collection