8RK1
Crystal structure of FutA bound to Fe(III) solved by neutron diffraction
NEUTRON DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | BATCH MODE | 294 | Purified protein and crystallisation buffer were mixed at a 1:1 ratio. Crystallisation buffer was 20% PEG 3350, 200 mM sodium thiocyanate. | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.09 | 41.22 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 39.542 | α = 90 |
| b = 78.316 | β = 97.365 |
| c = 47.893 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | neutron | 294 | IMAGE PLATE | BIODIFF | 2020-02-02 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | NUCLEAR REACTOR | FRM II BEAMLINE BIODIFF | 3.1 | FRM II | BIODIFF |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.095 | 50 | 80.8 | 0.168 | 0.106 | 0.971 | 4.6 | 1.9 | 13758 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
| 1 | 2.095 | 2.18 | 52.4 | 0.473 | 0.334 | 0.716 | |||||||||||||
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 (All) | R-Work | R-Free | Mean Isotropic B | ||||||||
| NEUTRON DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 2.095 | 24.95 | 13748 | 698 | 80.412 | 0.181 | 0.1776 | 0.2425 | 22.465 | ||||||||
| 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] | |
| -0.134 | -0.184 | 0.197 | -0.014 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_6_deg | 14.926 |
| r_dihedral_angle_3_deg | 14.619 |
| r_dihedral_angle_2_deg | 7.657 |
| r_lrange_it | 6.803 |
| r_dihedral_angle_1_deg | 6.357 |
| r_scangle_it | 2.322 |
| r_mcangle_it | 1.769 |
| r_scbond_it | 1.283 |
| r_mcbond_it | 1.021 |
| r_angle_refined_deg | 0.95 |
