6SF6
Crystal structure of the mAb 15A in complex with COMP-epitope P6
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.4 | 293 | 30% polyethylene glycol 8000, 0.2 M ammonium sulphate 10 mg/ml 15A Fab fragment + P6 peptide (molar ratio 1:1.2) in 20 mM Tris HCl pH 7.4, 50 mM NaCl |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.62 | 53.12 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 80.174 | α = 90 |
b = 84.421 | β = 90 |
c = 151.885 | 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 | 100 | PIXEL | DECTRIS PILATUS 6M | 2014-05-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I03 | 0.9763 | Diamond | I03 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 1.9 | 84.42 | 98.9 | 0.062 | 0.071 | 0.034 | 0.998 | 12.6 | 3.9 | 80712 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 1.9 | 1.94 | 99.3 | 0.539 | 0.617 | 0.292 | 0.731 | 3.9 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | 1IQW, 2IPT | 1.9 | 84 | 76757 | 3924 | 98.5 | 0.1752 | 0.1738 | 0.2031 | RANDOM | 37.924 |
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] | |
-0.32 | -1.44 | 1.76 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.827 |
r_dihedral_angle_4_deg | 16.092 |
r_dihedral_angle_3_deg | 12.809 |
r_dihedral_angle_1_deg | 6.203 |
r_angle_refined_deg | 1.301 |
r_angle_other_deg | 0.95 |
r_chiral_restr | 0.075 |
r_bond_refined_d | 0.009 |
r_gen_planes_refined | 0.006 |
r_bond_other_d | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6892 |
Nucleic Acid Atoms | |
Solvent Atoms | 608 |
Heterogen Atoms | 46 |
Software
Software | |
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Software Name | Purpose |
Aimless | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
xia2 | data reduction |
PHASER | phasing |