Joint X-ray/neutron structure of MTAN complex with Formycin A
NEUTRON DIFFRACTION - X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | EVAPORATION | 7.5 | 276.15 | 100 mM HEPES, pH 7.5, 15-20% w/v PEG550, 95 mM magnesium chloride hexahydrate |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.71 | 54.63 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 83.189 | α = 90 |
| b = 83.189 | β = 90 |
| c = 67.633 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 32 2 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | neutron | 295 | IMAGE PLATE | BIODIFF | 2015-05-16 | L | LAUE | ||||||
| 2 | 1 | x-ray | 296 | IMAGE PLATE | RIGAKU RAXIS IV++ | 2015-07-27 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | NUCLEAR REACTOR | ORNL High Flux Isotope Reactor BEAMLINE CG4D | 2.8-4.5 | ORNL High Flux Isotope Reactor | CG4D |
| 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 | 2.5 | 49.45 | 74.5 | 2.6 | 3.5 | 7143 | |||||||||||||
| 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 | 0.667 | 2.3 | 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 | 2.5 | 36.02 | 9657 | 5260 | 245 | 54.5 | 0.282 | 0.266 | 33.61 | ||||||||||
| X-RAY DIFFRACTION | 2.1 | 35.43 | 16126 | 12471 | 600 | 77.3 | 0.208 | 0.3311 | 0.235 | 0.3447 | 33.61 | ||||||||
| 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 | 19.1 |
| x_torsion_deg | 19.1 |
| x_angle_deg | 1.1 |
| x_angle_deg | 1.1 |
| x_torsion_impr_deg | 0.79 |
| x_torsion_impr_deg | 0.79 |
| x_bond_d | 0.008 |
| x_bond_d | 0.008 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1751 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 53 |
| Heterogen Atoms | 19 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| nCNS | refinement |
| HKL-3000 | data reduction |
| SCALEPACK | data scaling |
| REFMAC | phasing |
