Joint neutron and X-ray structure of diisopropyl fluorophosphatase. Deuterium occupancies are 1-Q, where Q is occupancy of H
X-RAY DIFFRACTION - NEUTRON DIFFRACTION
Crystallization
| Crystalization Experiments |
|---|
| ID | Method | pH | Temperature | Details |
|---|
| 1 | VAPOR DIFFUSION | 6.5 | 298 | PEG 4000, pH 6.5, vapor diffusion, temperature 298K |
| 2 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 298 | PEG 4000, pH 6.5, vapor diffusion, hanging drop, temperature 298K |
Crystal Data
| Unit Cell |
|---|
| Length ( Å ) | Angle ( ˚ ) |
|---|
| a = 43.441 | α = 90 |
| b = 83.291 | β = 90 |
| c = 87.509 | γ = 90 |
| Symmetry |
|---|
| Space Group | P 21 21 21 |
|---|
Diffraction
| Diffraction Experiment |
|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol |
|---|
| 1 | 1 | neutron | 300 | TOF AREA DETECTOR | BNL | | 2007-01-01 | L | WAVELENGTH-RESOLVED LAUE |
| 2 | 2 | x-ray | 298 | IMAGE PLATE | MAR scanner 345 mm plate | | 2004-05-25 | M | SINGLE WAVELENGTH |
| Radiation Source |
|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
|---|
| 1 | | | 0.6, 7.0 | | |
| 2 | ROTATING ANODE | RIGAKU RU200 | 1.5418 | | |
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 | 1.85 | 38.91 | 43.3 | | | | | | | | | 13656 | 12068 | 2.5 | | 4.1 |
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 |
|---|
| NEUTRON DIFFRACTION | existing x-ray model used | 2.2 | 19.54 | | 2.5 | 13629 | 12042 | 564 | 72 | | | 0.264 | | 0.315 | | random | 25.9 |
| X-RAY DIFFRACTION | PDB id 2GVW | 2.2 | 19.54 | | 2.5 | 13629 | 12042 | 564 | 72 | | | 0.233 | 0.21 | 0.252 | 0.24 | random | 25.9 |
| 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 |
|---|
| x_torsion_deg | 15.6 |
| x_angle_deg | 1 |
| x_torsion_impr_deg | 0.88 |
| x_bond_d | 0.005 |
| Non-Hydrogen Atoms Used in Refinement |
|---|
| Non-Hydrogen Atoms | Number |
|---|
| Protein Atoms | 2451 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 246 |
| Heterogen Atoms | 2 |
Software
| Software |
|---|
| Software Name | Purpose |
|---|
| nCNS | refinement |
