Neutron structure of [NiFe]-hydrogenase from D. vulgaris Miyazaki F in its oxidized state
X-RAY DIFFRACTION - NEUTRON DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4U9H | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7 | 283 | 30%(v/v) 2-methyl-2,4-pentane-d12-diol, 10 mM glucose-d12, 25 mM Tris-d11-DCl in D2O |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.34 | 47.5 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 66.705 | α = 90 |
| b = 98.485 | β = 90 |
| c = 126.86 | 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 | x-ray | 100 | CCD | RAYONIX MX225HE | 2015-04-10 | M | SINGLE WAVELENGTH | ||||||
| 2 | 1 | neutron | 100 | DIFFRACTOMETER | iBIX | 2015-03-21 | L | LAUE | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SPRING-8 BEAMLINE BL26B1 | 0.8000 | SPring-8 | BL26B1 |
| 2 | SPALLATION SOURCE | J-PARC MLF BEAMLINE BL-03 | 1.8-5.8 | 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 | 1.04 | 50 | 99.9 | 0.059 | 0.062 | 1 | 19.7 | 8.5 | 397623 | ||||||||||
| 2 | 2.2 | 20 | 90.1 | 0.22 | 0.266 | 0.92 | 4.9 | 2.6 | 38335 | ||||||||||
| 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 | 1.04 | 1.07 | 0.461 | 0.496 | 0.924 | 4.1 | 7.2 | ||||||||||||
| 2 | 2.2 | 2.32 | 0.394 | 0.473 | 0.57 | 2.3 | 2.8 | ||||||||||||
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 | 1.04 | 41.69 | 1.34 | 397425 | 19868 | 99.78 | 0.143 | 0.1428 | 0.1426 | 0.1474 | 0.1472 | |||||||
| NEUTRON DIFFRACTION | MOLECULAR REPLACEMENT | 2.2 | 17.94 | 38312 | 1893 | 88.91 | 0.1909 | 0.1893 | 0.2202 | ||||||||||
| 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 | 18.819 |
| f_dihedral_angle_d | 18.819 |
| f_angle_d | 1.213 |
| f_angle_d | 1.213 |
| f_chiral_restr | 0.095 |
| f_chiral_restr | 0.095 |
| f_bond_d | 0.014 |
| f_bond_d | 0.014 |
| f_plane_restr | 0.008 |
| f_plane_restr | 0.008 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6188 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 842 |
| Heterogen Atoms | 106 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| STARGazer | data reduction |
| SCALA | data scaling |
| PHASER | phasing |














