3KIF
The crystal structures of two fragments truncated from 5-bladed beta-propeller lectin, tachylectin-2 (Lib1-B7-18 and Lib2-D2-15)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 5.5 | 298 | 100mM Bis-Tris, 0.2M lithium chloride, 19% PEG 3350, pH 5.5, VAPOR DIFFUSION, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.65 | 53.66 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 80.558 | α = 90 |
b = 80.558 | β = 90 |
c = 170.681 | γ = 120 |
Symmetry | |
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Space Group | P 32 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315r | 2008-06-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | 0.979 | ESRF | ID14-4 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | 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 | 2.5 | 50 | 99.7 | 0.118 | 0.114 | 34.6 | 6.2 | 42804 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.5 | 2.544 | 98.6 | 0.452 | 4.2 | 4.7 | 2111 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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 | THROUGHOUT | 2.5 | 50 | 40432 | 2145 | 99.12 | 0.21625 | 0.2131 | 0.27613 | RANDOM | 35.867 |
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] | |
-0.9 | -0.45 | -0.9 | 1.35 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.493 |
r_dihedral_angle_3_deg | 21.49 |
r_dihedral_angle_4_deg | 16.407 |
r_dihedral_angle_1_deg | 8.747 |
r_scangle_it | 4.598 |
r_scbond_it | 3.298 |
r_angle_refined_deg | 2.42 |
r_mcangle_it | 2.166 |
r_mcbond_it | 1.326 |
r_nbtor_refined | 0.336 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7336 |
Nucleic Acid Atoms | |
Solvent Atoms | 49 |
Heterogen Atoms | 145 |
Software
Software | |
---|---|
Software Name | Purpose |
HKL-2000 | data collection |
PHASER | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |