2DRZ
Crystal structure of the earthworm lectin C-terminal domain mutant in complex with lactose
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2D12 | PDB ENTRY 2D12 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.6 | 277 | 30% PEGMME2000, 0.2M Ammonium Sulfate, 0.1M Sodium Acetate trihydrate, 15mg/ml lactose, pH 4.6, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.32 | 46.96 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 40.186 | α = 90 |
b = 89.296 | β = 116.31 |
c = 41.642 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | RIGAKU RAXIS VII | 2006-02-09 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.19 | 50 | 90.7 | 23978 | 12268 | 465.4 | 24.6 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
2.19 | 2.28 | 87.6 |
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 2D12 | 2.19 | 27.41 | 13528 | 12244 | 626 | 90.4 | 0.215 | 0.215 | 0.269 | RANDOM | 31.4 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.15 | 2.35 | -0.72 | 0.56 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 24.8 |
c_angle_deg | 1.3 |
c_improper_angle_d | 0.78 |
c_bond_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2040 |
Nucleic Acid Atoms | |
Solvent Atoms | 166 |
Heterogen Atoms | 66 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
MOLREP | phasing |