4EN9
Crystal structure of HA70 (HA3) subcomponent of Clostridium botulinum type C progenitor toxin in complex with alpha 2-6-sialyllactosamine
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2ZS6 | PDB ENTRY 2ZS6 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 293 | 12%(v/v) 2-methyl-2,4-pentendiol, 20mM CaCl2, 100mM sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.91 | 74.96 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 175.977 | α = 90 |
b = 175.977 | β = 90 |
c = 80.636 | γ = 120 |
Symmetry | |
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Space Group | P 63 |
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 | CCD | ADSC QUANTUM 270 | 2011-06-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE AR-NE3A | 1.0 | Photon Factory | AR-NE3A |
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 | 2.64 | 50 | 99.7 | 0.075 | 23.7 | 10.7 | 42102 | 42102 | 45.3 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.64 | 2.69 | 100 | 0.372 | 7.9 | 10.3 | 2132 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 2ZS6 | 2.64 | 33.26 | 40313 | 40313 | 4066 | 95.8 | 0.196 | 0.196 | 0.193 | 0.22 | RANDOM | 52 |
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] | |
2.08 | 5.32 | 2.08 | -4.15 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 26.1 |
c_angle_deg | 1.4 |
c_improper_angle_d | 0.76 |
c_bond_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4721 |
Nucleic Acid Atoms | |
Solvent Atoms | 285 |
Heterogen Atoms | 86 |
Software
Software | |
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Software Name | Purpose |
ADSC | data collection |
MOLREP | phasing |
CNS | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |