Room temperature neutron/X-ray structure of AAC-VIa
X-RAY DIFFRACTION - NEUTRON DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) |
|---|
| Type | Source | Accession Code | Details |
|---|
|
experimental model | PDB | 6BC6 | |
Crystallization
| Crystalization Experiments |
|---|
| ID | Method | pH | Temperature | Details |
|---|
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 285 | 0.1 M Tris, pH 8.5, 0.3 M magnesium chloride, 15-18% PEG8000 |
| Crystal Properties |
|---|
| Matthews coefficient | Solvent content |
|---|
| 2.7 | 54.43 |
Crystal Data
| Unit Cell |
|---|
| Length ( Å ) | Angle ( ˚ ) |
|---|
| a = 51.6 | α = 90 |
| b = 86.1 | β = 94 |
| c = 78.8 | γ = 90 |
| Symmetry |
|---|
| Space Group | I 1 2 1 |
|---|
Diffraction
| Diffraction Experiment |
|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol |
|---|
| 1 | 1 | x-ray | 298 | IMAGE PLATE | RIGAKU RAXIS IV++ | | 2017-08-01 | M | SINGLE WAVELENGTH |
| 2 | 1 | neutron | 298 | DIFFRACTOMETER | ORNL ANGER CAMERA | | 2017-08-01 | L | LAUE |
| Radiation Source |
|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
|---|
| 1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.5418 | | |
| 2 | ROTATING ANODE | RIGAKU MICROMAX-003 | 2.0-4.0 | | |
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 | 50 | 97.4 | 0.059 | | 0.07 | 0.037 | | | 19.7 | 3.4 | | 22336 | | | 38.7 |
| 2 | 2.3 | 15 | 83.8 | 0.167 | | | | | | 7.8 | 2.4 | | 12800 | | | 38.7 |
| 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 | 2.07 | | 0.489 | | 0.582 | 0.311 | 0.834 | | | 3.4 | |
| 1 | 2.07 | 2.15 | | 0.391 | | 0.462 | 0.244 | 0.888 | | | 3.5 | |
| 1 | 2.15 | 2.25 | | 0.285 | | 0.338 | 0.18 | 0.926 | | | 3.4 | |
| 1 | 2.25 | 2.37 | | 0.203 | | 0.241 | 0.128 | 0.955 | | | 3.5 | |
| 1 | 2.37 | 2.52 | | 0.153 | | 0.181 | 0.096 | 0.978 | | | 3.5 | |
| 1 | 2.52 | 2.71 | | 0.108 | | 0.128 | 0.068 | 0.986 | | | 3.5 | |
| 1 | 2.71 | 2.99 | | 0.079 | | 0.093 | 0.049 | 0.991 | | | 3.5 | |
| 1 | 2.99 | 3.42 | | 0.057 | | 0.067 | 0.036 | 0.992 | | | 3.5 | |
| 1 | 3.42 | 4.31 | | 0.045 | | 0.054 | 0.029 | 0.992 | | | 3.4 | |
| 1 | 4.31 | 50 | | 0.042 | | 0.05 | 0.027 | 0.993 | | | 3.3 | |
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 | 2.002 | 30.944 | | 1.34 | | 22336 | 1126 | 96.32 | | 0.1598 | 0.1582 | 0.16 | 0.1889 | 0.19 | | 54.6199 |
| NEUTRON DIFFRACTION | MOLECULAR REPLACEMENT | 2.3 | 15 | | | | 14029 | 708 | 89.39 | | 0.222 | 0.2206 | | 0.2458 | | | |
| 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 | 20.593 |
| f_angle_d | 0.934 |
| f_chiral_restr | 0.065 |
| f_bond_d | 0.01 |
| f_plane_restr | 0.005 |
| Non-Hydrogen Atoms Used in Refinement |
|---|
| Non-Hydrogen Atoms | Number |
|---|
| Protein Atoms | 2028 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 207 |
| Heterogen Atoms | 1 |
Software
| Software |
|---|
| Software Name | Purpose |
|---|
| HKL-2000 | data scaling |
| PHENIX | refinement |
| PDB_EXTRACT | data extraction |
| HKL-3000 | data reduction |
| PHASER | phasing |