Neutron structure of ferric ascorbate peroxidase
X-RAY DIFFRACTION - NEUTRON DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) |
|---|
| Type | Source | Accession Code | Details |
|---|
|
experimental model | PDB | 5JPR | |
Crystallization
| Crystalization Experiments |
|---|
| ID | Method | pH | Temperature | Details |
|---|
| 1 | VAPOR DIFFUSION, HANGING DROP | | 300 | Lithium Sulfate
HEPES |
| Crystal Properties |
|---|
| Matthews coefficient | Solvent content |
|---|
| 2.3 | 46.48 |
Crystal Data
| Unit Cell |
|---|
| Length ( Å ) | Angle ( ˚ ) |
|---|
| a = 82.904 | α = 90 |
| b = 82.904 | β = 90 |
| c = 75.868 | γ = 90 |
| Symmetry |
|---|
| Space Group | P 42 21 2 |
|---|
Diffraction
| Diffraction Experiment |
|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol |
|---|
| 1 | 1 | neutron | 100 | IMAGE PLATE | MAATEL IMAGINE | | 2017-10-01 | L | LAUE |
| 2 | 1 | x-ray | 100 | CCD | RIGAKU SATURN 944+ | | 2017-10-30 | M | SINGLE WAVELENGTH |
| Radiation Source |
|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
|---|
| 1 | NUCLEAR REACTOR | ILL BEAMLINE LADI III | 2.87-3.4 | ILL | LADI III |
| 2 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.54 | | |
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 | 2.2 | 36.68 | 77.5 | 0.1 | | | | | | 5.9 | 3.3 | | 10136 | | | |
| 2 | 1.9 | 20.11 | 99.9 | 0.1 | | | | | | 11.1 | 11.2 | | 21444 | | | |
| 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 | 2.2 | 2.3 | | 0.2 | | | | | | | | |
| 2 | 1.9 | 1.94 | | 0.7 | | | | | | | | |
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 | 1.9 | 20.107 | | 1.36 | | 21404 | 1071 | 99.99 | | 0.1467 | 0.1445 | 0.14 | 0.1885 | 0.18 | | 31.17 |
| NEUTRON DIFFRACTION | MOLECULAR REPLACEMENT | 2.222 | 37.076 | | 1.79 | | 10135 | 508 | 74.75 | | 0.278 | 0.2763 | | 0.3076 | | | |
| 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] |
|---|
| -3.7555 | | | -3.7555 | | -5.7725 |
| -3.7555 | | | -3.7555 | | -5.7725 |
| RMS Deviations |
|---|
| Key | Refinement Restraint Deviation |
|---|
| f_dihedral_angle_d | 13.938 |
| f_angle_d | 1.521 |
| f_chiral_restr | 0.092 |
| f_bond_d | 0.013 |
| f_plane_restr | 0.007 |
| Non-Hydrogen Atoms Used in Refinement |
|---|
| Non-Hydrogen Atoms | Number |
|---|
| Protein Atoms | 1905 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 368 |
| Heterogen Atoms | 78 |
Software
| Software |
|---|
| Software Name | Purpose |
|---|
| PHENIX | refinement |
| PDB_EXTRACT | data extraction |