Crystal structure of Azotobacter vinelandii 3-mercaptopropionic acid dioxygenase in complex with thiocyanate
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 6XB9 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, SITTING DROP | 294 | 0.05 M HEPES pH 7, 44% pentaerythritol propoxylate (5/4 PO/OH), 0.6 M sodium thiocyanate | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.43 | 49.37 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 102.182 | α = 90 | 
| b = 102.182 | β = 90 | 
| c = 301.935 | γ = 120 | 
| Symmetry | |
|---|---|
| Space Group | P 61 2 2 | 
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 | 2020-09-23 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | APS BEAMLINE 24-ID-E | 0.979180 | APS | 24-ID-E | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.95 | 50 | 99.9 | 0.185 | 0.468 | 12.9 | 12.9 | 20505 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 2.95 | 3.13 | 2.883 | 0.468 | |||||||||||||||
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 (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 | 6XB9 | 2.95 | 49.88 | 19476 | 1026 | 99.78 | 0.2162 | 0.2149 | 0.21 | 0.2411 | 0.24 | RANDOM | 97.703 | ||||
| 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] | |
| 1.78 | 0.89 | 1.78 | -5.76 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 31.603 | 
| r_dihedral_angle_4_deg | 16.935 | 
| r_dihedral_angle_3_deg | 13.607 | 
| r_dihedral_angle_1_deg | 6.675 | 
| r_angle_refined_deg | 1.223 | 
| r_angle_other_deg | 1.049 | 
| r_chiral_restr | 0.037 | 
| r_bond_refined_d | 0.003 | 
| r_gen_planes_refined | 0.003 | 
| r_bond_other_d | 0.001 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 6124 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 24 | 
| Heterogen Atoms | 18 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| PDB_EXTRACT | data extraction | 
| XDS | data reduction | 
| XDS | data scaling | 
| PHASER | phasing | 














