4UB0
New design for monovalent bispecific IgG through cysteine engineering of the CH1-CL interface
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | protein @ 19 mg/ml in 10 mM Tris-HCl, pH 8.0, 100 mM NaCl; 0.018 M of each of the following salt solutions: CaCl2, CoCl2, and CdCl2; 18% PEG 3350 and 5% glycerol |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.75 | 55.3 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 126.154 | α = 90 |
b = 64.045 | β = 129.09 |
c = 82.395 | γ = 90 |
Symmetry | |
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Space Group | C 1 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 | 100 | PIXEL | PSI PILATUS 6M | 2011-10-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 17-ID | 0.97931 | APS | 17-ID |
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 | 2.2 | 53.6 | 97.4 | 11.6 | 3.8 | 25434 |
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 | 2.2 | 2.31 | 97.9 | 0.397 | 2.8 | 3.8 |
Refinement
Statistics | |||||||||||||||||||
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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 | MOLECULAR REPLACEMENT | THROUGHOUT | 2.2 | 53.6 | 23745 | 1277 | 95.22 | 0.23308 | 0.23199 | 0.25202 | RANDOM | 33.35 |
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] | |
-0.83 | 0.91 | -3.71 | 1.32 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.962 |
r_dihedral_angle_3_deg | 12.869 |
r_dihedral_angle_4_deg | 11.441 |
r_dihedral_angle_1_deg | 5.972 |
r_long_range_B_refined | 4.314 |
r_long_range_B_other | 4.313 |
r_mcangle_it | 2.27 |
r_mcangle_other | 2.269 |
r_scangle_other | 1.862 |
r_mcbond_it | 1.356 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3262 |
Nucleic Acid Atoms | |
Solvent Atoms | 19 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |