7PHS
highly potent IL6 antagonistic antibody selected from a camelid immune phage display repertoire
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 4.5 | 293 | 30% PEG 8K, 0.2M Li2SO4, 0.1M acetate pH 4.5. |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.69 | 54.19 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 58.99 | α = 90 |
b = 58.99 | β = 90 |
c = 285.83 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 43 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | DECTRIS EIGER X 4M | 2011-07-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | 0.923 | ESRF | ID14-4 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 2.77 | 45 | 98.4 | 0.11 | 0.99 | 18.6 | 8.6 | 13561 | 64.82 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.77 | 2.9 | 0.86 | 0.83 | 3.3 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1A8J, 3B2U | 2.77 | 41.05 | 13560 | 1344 | 98.42 | 0.2763 | 0.2734 | 0.3028 | RANDOM | 54.41 |
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] | |
-13.8938 | -13.8938 | 27.7876 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
t_other_torsion | 22.43 |
t_omega_torsion | 4.54 |
t_angle_deg | 1.28 |
t_bond_d | 0.008 |
t_dihedral_angle_d | |
t_incorr_chiral_ct | |
t_pseud_angle | |
t_trig_c_planes | |
t_gen_planes | |
t_it |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3250 |
Nucleic Acid Atoms | |
Solvent Atoms | 89 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
BUSTER | refinement |
XDS | data reduction |
XSCALE | data scaling |
MOLREP | phasing |