4FP5
Heat-labile enterotoxin ILT-IIbB5 S74A mutant
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1Q5B | PDB ENTRY 1Q5B |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 287 | 100 mM Bis-Tris propane, pH8.5, 20% PEG3350 and 200 mM KSCN, VAPOR DIFFUSION, HANGING DROP, temperature 287K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.39 | 48.6 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 48.41 | α = 90 |
b = 67.585 | β = 90 |
c = 155.554 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | 113 | CCD | MARMOSAIC 325 mm CCD | mirrors | 2011-04-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.975 | SSRL | BL9-2 |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.4 | 48.41 | 98.8 | 0.065 | 0.029 | 14.1 | 6.1 | 101201 | 96076 | 2 | 2 | 32.8 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.4 | 1.48 | 100 | 0.33 | 0.15 | 4.2 | 8 | 14547 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | 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 | PDB ENTRY 1Q5B | 1.4 | 41.14 | 2 | 2 | 96076 | 96076 | 5052 | 99.78 | 0.196 | 0.1864 | 0.18511 | 0.18 | 0.21086 | 0.21 | RANDOM | 15.1 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | ||||||
0.01 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.742 |
r_dihedral_angle_4_deg | 18.52 |
r_dihedral_angle_3_deg | 12.773 |
r_dihedral_angle_1_deg | 6.353 |
r_angle_refined_deg | 2.447 |
r_chiral_restr | 0.149 |
r_bond_refined_d | 0.029 |
r_gen_planes_refined | 0.014 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3695 |
Nucleic Acid Atoms | |
Solvent Atoms | 409 |
Heterogen Atoms | 5 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
MOLREP | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALA | data scaling |