4WTB
BthTX-I, a svPLA2s-like toxin, complexed with zinc ions
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 293 | Reservoir solution: 0.1 M TRIS HCl pH 8.5, 30% PEG4k and 0.1M LiSO4 Drop set up: 0.8 uL of protein (10.1 mg/mL), 0.09 uL of ZnCl2 (1 M), 0.32 uL of MnSO4 (12.5 mM) and 0.48 uL of reservoir solution |
2 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 293 | Reservoir solution: 0.1 M TRIS HCl pH 8.5, 30% PEG4k and 0.1M LiSO4 Drop set up: 0.8 uL of protein (10.1 mg/mL), 0.09 uL of ZnCl2 (1 M), 0.32 uL of MnSO4 (12.5 mM) and 0.48 uL of reservoir solution |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 56.58 | α = 90 |
b = 56.58 | β = 90 |
c = 129.53 | γ = 120 |
Symmetry | |
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Space Group | P 31 2 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 | 80 | CCD | MAR CCD 165 mm | 2011-09-15 | M | SINGLE WAVELENGTH | ||||||
2 | 2 | x-ray | 80 | CCD | MARMOSAIC 225 mm CCD | 2012-06-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LNLS BEAMLINE D03B-MX1 | 1.608 | LNLS | D03B-MX1 |
2 | SYNCHROTRON | LNLS BEAMLINE W01B-MX2 | 1.283 | LNLS | W01B-MX2 |
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 | 2.16 | 45.84 | 96.5 | 13.17 | 3.9 | 13020 |
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) | ||||||||||||
1 | 2.16 | 2.28 | 99.6 | 2.02 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | FREE R-VALUE | PDB entry 3HZD | 2.16 | 45.83 | 2.01 | 13016 | 651 | 96.56 | 0.1927 | 0.1905 | 0.2339 | Random selection |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 12.439 |
f_angle_d | 0.883 |
f_chiral_restr | 0.032 |
f_bond_d | 0.004 |
f_plane_restr | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1853 |
Nucleic Acid Atoms | |
Solvent Atoms | 116 |
Heterogen Atoms | 15 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |