X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 291.15 | AFSSFN synthetic peptide (Genscript) was dissolved to 30 mg/mL in water and crystallized by hanging drop at a 1:2 ratio with 20% PEG 8000, 100 mM HEPES pH 7.5. |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.37 | 10.37 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 38.38 | α = 90 |
| b = 9.48 | β = 90 |
| c = 30.4 | γ = 90.01 |
| Symmetry | |
|---|---|
| Space Group | P 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 EIGER X 16M | 2017-07-18 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 24-ID-E | 0.979 | APS | 24-ID-E |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim 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 | 0.75 | 38.38 | 88.5 | 0.113 | 0.128 | 0.991 | 5.72 | 3.7 | 48640 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
| 1 | 0.75 | 0.77 | 66.7 | 0.582 | 0.748 | 0.726 | 1.31 | 2.3 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | AB INITIO PHASING | FREE R-VALUE | 0.75 | 19.19 | 2 | 48485 | 4849 | 88.28 | 0.2053 | 0.2031 | 0.2 | 0.2255 | 0.22 | 5.49 | |||||
| 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 | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 10.5632 |
| f_angle_d | 1.1143 |
| f_chiral_restr | 0.0864 |
| f_plane_restr | 0.0078 |
| f_bond_d | 0.0075 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 576 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 32 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| XDS | data reduction |
| XSCALE | data scaling |
| SHELXD | phasing |
| PDB_EXTRACT | data extraction |
