Monoclinic crystal structure of acid-stable protracted insulin (293 K)
Serial Crystallography (SX)
Starting Model(s)
| Initial Refinement Model(s) |
|---|
| Type | Source | Accession Code | Details |
|---|
|
experimental model | PDB | 5UQA | |
Crystallization
| Crystalization Experiments |
|---|
| ID | Method | pH | Temperature | Details |
|---|
| 1 | VAPOR DIFFUSION, SITTING DROP | | 298 | 200mM CaCl2 buffered in 100mM Tris-HCl pH 8,5, 30% (v/v) 2-Methyl-2,4-pentanediol, 8% (w/v) PEG 8000 |
| Crystal Properties |
|---|
| Matthews coefficient | Solvent content |
|---|
| 2.31 | 46.81 |
Crystal Data
| Unit Cell |
|---|
| Length ( Å ) | Angle ( ˚ ) |
|---|
| a = 47.73 | α = 90 |
| b = 62.22 | β = 111.87 |
| c = 56.39 | γ = 90 |
| Symmetry |
|---|
| Space Group | P 1 21 1 |
|---|
Diffraction
| Diffraction Experiment |
|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol |
|---|
| 1 | 1 | x-ray | 293 | PIXEL | PSI JUNGFRAU 4M | | 2023-03-09 | M | SINGLE WAVELENGTH |
| Radiation Source |
|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
|---|
| 1 | SYNCHROTRON | ESRF BEAMLINE ID29 | 0.9 | ESRF | ID29 |
Serial Crystallography
| Sample delivery method |
|---|
| Diffraction ID | Description | Sample Delivery Method |
|---|
| 1 | | fixed target |
Data Collection
| Overall |
|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.3 | 19.56 | 93.4 | 0.825 | 5.71 | 2 | | 16759 | | | |
| Highest Resolution Shell |
|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) |
|---|
| 1 | 2.3 | 2.382 | | | 0.559 | | | |
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 | MOLECULAR REPLACEMENT | FREE R-VALUE | 2.38 | 19.56 | 0.03 | 11707 | 1018 | 94.57 | 0.2533 | 0.2486 | 0.2527 | 0.3024 | 0.3041 | |
| 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 | 12.052 |
| f_angle_d | 0.437 |
| f_chiral_restr | 0.033 |
| f_plane_restr | 0.003 |
| f_bond_d | 0.002 |
| Non-Hydrogen Atoms Used in Refinement |
|---|
| Non-Hydrogen Atoms | Number |
|---|
| Protein Atoms | 2315 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 40 |
| Heterogen Atoms | 49 |
Software
| Software |
|---|
| Software Name | Purpose |
|---|
| PHENIX | refinement |
| PDB_EXTRACT | data extraction |
| CrystFEL | data reduction |
| CrystFEL | data scaling |
| REFMAC | phasing |