Crystal Structure of the Poly(Hexamethylene Adipamide) (Nylon66) Hydrolase Nyl50 in Complex with Butyrate at Room Temperature
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 9DYS | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | MICROBATCH | 7.4 | 291 | Imidazole 0.1 M pH 6.9, polyethylene glycol 6,000 20.0% w/v |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.18 | 43.7 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 53.881 | α = 90 |
| b = 96.478 | β = 90 |
| c = 105.464 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 2 21 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 298 | PIXEL | DECTRIS EIGER R 4M | 2025-09-23 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.54 | ||
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 | 2 | 28.41 | 96.9 | 0.109 | 0.119 | 0.047 | 0.968 | 12.4 | 6.4 | 36372 | |||||||||
| 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 | 2 | 2.05 | 95.7 | 0.555 | 0.604 | 0.234 | 0.9 | 6.4 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2 | 28.41 | 34463 | 1863 | 95.81 | 0.17046 | 0.16798 | 0.1756 | 0.21688 | 0.2207 | RANDOM | 31.277 | |||||
| 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] | |
| 0.56 | -0.22 | -0.34 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_3_deg | 15.394 |
| r_dihedral_angle_2_deg | 12.038 |
| r_long_range_B_refined | 8.945 |
| r_long_range_B_other | 8.942 |
| r_scangle_other | 7.903 |
| r_dihedral_angle_1_deg | 7.173 |
| r_scbond_it | 5.674 |
| r_scbond_other | 5.666 |
| r_mcangle_other | 4.894 |
| r_mcangle_it | 4.893 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4306 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 71 |
| Heterogen Atoms | 12 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| Aimless | data scaling |
| PHASER | phasing |
| PDB_EXTRACT | data extraction |
| CrysalisPro | data reduction |














