X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2AAI | Ricin (PDB 2AAI) |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 3.4 | 293 | 0.9M Ammonium sulphate, Glycine buffer, pH 3.4, 0.1M galactose, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.51 | 72.52 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 107.65 | ¦Á = 90 |
b = 107.65 | ¦Â = 90 |
c = 311.92 | ¦Ã = 120 |
Symmetry | |
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Space Group | P 65 2 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | IMAGE PLATE | MARRESEARCH | 1998-06-12 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX7.2 | 1.488 | SRS | PX7.2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 2.9 | 40.2 | 98 | 0.069 | 8.8 | 2.8 | 24175 | 24175 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | Ricin (PDB 2AAI) | 3 | 40.2 | 21899 | 21899 | 1117 | 98 | 0.201 | 0.201 | 0.199 | 0.19 | 0.24 | 0.23 | RANDOM | 40.8 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
7.16 | 12.89 | 7.16 | -14.31 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 26 |
c_scangle_it | 2.58 |
c_mcangle_it | 2.03 |
c_angle_deg | 1.7 |
c_scbond_it | 1.54 |
c_improper_angle_d | 1.46 |
c_mcbond_it | 1.14 |
c_bond_d | 0.011 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3976 |
Nucleic Acid Atoms | |
Solvent Atoms | 47 |
Heterogen Atoms | 108 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
DENZO | data reduction |
CCP4 | data scaling |
AMoRE | phasing |