High-resolution neutron and X-ray joint refined structure of copper-containing nitrite reductase from Geobacillus thermodenitrificans
X-RAY DIFFRACTION - NEUTRON DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) |
|---|
| Type | Source | Accession Code | Details |
|---|
|
experimental model | PDB | 4YSO | |
Crystallization
| Crystalization Experiments |
|---|
| ID | Method | pH | Temperature | Details |
|---|
| 1 | VAPOR DIFFUSION, SITTING DROP | 4.6 | 293 | 0.1 M acetate buffer pH 4.6, 5.5% (w/v) PEG 4000, and 50 mM CuSO4 |
| Crystal Properties |
|---|
| Matthews coefficient | Solvent content |
|---|
| 2.96 | 58.41 |
Crystal Data
| Unit Cell |
|---|
| Length ( Å ) | Angle ( ˚ ) |
|---|
| a = 114.212 | α = 90 |
| b = 114.212 | β = 90 |
| c = 83.688 | γ = 120 |
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 PILATUS 2M-F | | 2018-12-16 | M | SINGLE WAVELENGTH |
| 2 | 1 | neutron | 100 | DIFFRACTOMETER | iBIX | | 2018-11-26 | L | LAUE |
| Radiation Source |
|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
|---|
| 1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE AR-NE3A | 1.0000 | Photon Factory | AR-NE3A |
| 2 | SPALLATION SOURCE | J-PARC MLF BEAMLINE BL-03 | 2.15-4.89 | JPARC MLF | BL-03 |
Data Collection
| Overall |
|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | R Split (All) | 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 | 1.03 | 42.58 | 99.9 | 0.065 | | | 0.021 | | | 21.2 | 9.6 | | 201251 | | | |
| 2 | 1.5 | 17.38 | 99.7 | 0.23 | | | 0.097 | | | 9.5 | 6.6 | | 64997 | | | 6.1 |
| Highest Resolution Shell |
|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | R Split (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) |
|---|
| 1 | 1.03 | 1.05 | | 0.641 | | | 0.253 | 0.907 | | 3.5 | 7.1 | |
| 2 | 1.5 | 1.59 | | 0.608 | | | 0.285 | 0.782 | | 2.2 | 5.3 | |
Refinement
| Statistics |
|---|
| Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | 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 | 1.3 | 34.13 | | 2 | | 100127 | 2516 | 100 | | 0.0978 | 0.0973 | 0.1 | 0.1117 | 0.11 | | 15.48 |
| NEUTRON DIFFRACTION | MOLECULAR REPLACEMENT | 1.5 | 17.071 | | | | 64964 | 2006 | 99.69 | | 0.1421 | 0.1416 | | 0.1586 | | | |
| 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 | 21.0391 |
| f_dihedral_angle_d | 21.0391 |
| f_angle_d | 1.0535 |
| f_angle_d | 1.0535 |
| f_chiral_restr | 0.0904 |
| f_chiral_restr | 0.0904 |
| f_bond_d | 0.008 |
| f_bond_d | 0.008 |
| f_plane_restr | 0.0075 |
| f_plane_restr | 0.0075 |
| Non-Hydrogen Atoms Used in Refinement |
|---|
| Non-Hydrogen Atoms | Number |
|---|
| Protein Atoms | 2314 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 458 |
| Heterogen Atoms | 14 |
Software
| Software |
|---|
| Software Name | Purpose |
|---|
| PHENIX | refinement |
| SCALA | data scaling |
| MOLREP | phasing |
| PDB_EXTRACT | data extraction |
| STARGazer | data reduction |