8DAA
Coevolved affibody-Z domain pair LL2.c7
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 295 | 3.0 M Ammonium sulfate, 100 mM HEPES pH 7.0 cryoprotected with sodium malonate |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 49.588 | α = 90 |
b = 53.023 | β = 98.39 |
c = 68.662 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 PILATUS 6M | 2022-02-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL12-2 | 0.97946 | SSRL | BL12-2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.75 | 23.48 | 95.16 | 0.2109 | 0.2443 | 0.1212 | 0.991 | 6.49 | 3.8 | 17068 | 30.47 |
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 | 1.75 | 1.813 | 95.52 | 1.973 | 2.297 | 1.158 | 0.356 | 0.61 | 3.8 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | FREE R-VALUE | 5djt | 1.75 | 23.48 | 1.34 | 17026 | 1705 | 95.22 | 0.2558 | 0.2509 | 0.2985 | random selection | 36 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 14.038 |
f_angle_d | 0.4599 |
f_chiral_restr | 0.0347 |
f_plane_restr | 0.0032 |
f_bond_d | 0.0021 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1712 |
Nucleic Acid Atoms | |
Solvent Atoms | 33 |
Heterogen Atoms | 7 |
Software
Software | |
---|---|
Software Name | Purpose |
Blu-Ice | data collection |
PHENIX | refinement |
BUSTER | refinement |
XDS | data reduction |
PHASER | phasing |
XDS | data reduction |
Aimless | data scaling |