An Irreversible, Promiscuous and Highly Thermostable Claisen-Condensation Biocatalyst Drives the Synthesis of Substituted Pyrroles
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3TQX | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 293.15 | 30 mM sodium nitrate, 30 mM sodium phosphate, 30 mM ammonium sulfate, 100 mM Hepes/MOPS pH 7.5, 12.5 % (v/v) MPD, 12.5 % (w/v) PEG 1000 and 12.5 % (w/v) PEG 3350) | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.13 | 42.25 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 57.41 | α = 64.74 |
| b = 63.89 | β = 70.5 |
| c = 65.91 | γ = 68.12 |
| 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 PILATUS3 6M | 2021-05-05 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I03 | 0.9796 | Diamond | I03 |
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 | 1.6 | 55.634 | 96.2 | 0.051 | 0.062 | 0.034 | 0.997 | 15.6 | 6.5 | 97563 | |||||||||
| 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 | 1.6 | 1.63 | 1.161 | 1.406 | 0.777 | 0.604 | 6.2 | ||||||||||||
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 (All) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 3TQX | 1.6 | 55.634 | 97559 | 4803 | 96.16 | 0.172 | 0.1686 | 0.2 | 0.2395 | 0.23 | 28.368 | |||||
| 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] | |
| 0.005 | -1.814 | -0.537 | 1.999 | 1.814 | -2.106 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 28.699 |
| r_dihedral_angle_4_deg | 14.828 |
| r_dihedral_angle_3_deg | 14.629 |
| r_scangle_it | 7.59 |
| r_scangle_other | 7.546 |
| r_lrange_it | 7.097 |
| r_lrange_other | 7.096 |
| r_dihedral_angle_1_deg | 6.764 |
| r_scbond_it | 6.648 |
| r_scbond_other | 6.624 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6135 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 488 |
| Heterogen Atoms | 51 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| PHASER | phasing |
| Aimless | data scaling |
| pointless | data scaling |
| Coot | model building |
| BUCCANEER | model building |
| MolProbity | model building |
| xia2 | data scaling |
| XDS | data reduction |














