Neutron crystal structure of maltotetraose bound tmMBP
X-RAY DIFFRACTION - NEUTRON DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 6DTS | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 293 | 25 % (wt./vol.) PEG 3350, 0.2 M sodium acetate, 0.1 M BisTris pH 5.5 | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.16 | 43.02 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 35.915 | α = 90 |
| b = 56.34 | β = 94.25 |
| c = 90.001 | 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 | x-ray | 293 | PIXEL | DECTRIS EIGER R 4M | 2020-01-01 | M | SINGLE WAVELENGTH | ||||||
| 2 | 1 | neutron | 293 | IMAGE PLATE | MAATEL IMAGINE | 2020-01-01 | L | LAUE | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU MICROMAX-007 | 1.5418 | ||
| 2 | SPALLATION SOURCE | ORNL Spallation Neutron Source BEAMLINE MANDI | 2.78-4.50 | ORNL Spallation Neutron Source | MANDI |
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 | 1.7 | 89.75 | 99.99 | 0.124 | 0.12 | 0.02 | 0.99 | 51.66 | 19.9 | 39602 | 18.65 | ||||||||
| 2 | 2.1 | 35.71 | 73.1 | 0.144 | 0.165 | 0.078 | 0.99 | 7.4 | 3.5 | 15172 | |||||||||
| 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 | 1.7 | 1.76 | 0.378 | 0.4 | 0.09 | 0.96 | 9.85 | ||||||||||||
| 2 | 2.1 | 2.21 | 0.3 | 0.347 | 0.168 | 0.96 | |||||||||||||
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 | 1.7 | 22.142 | 1.39 | 39564 | 1932 | 99.98 | 0.1431 | 0.1414 | 0.1422 | 0.1751 | 0.1749 | 29.0362 | ||||||
| NEUTRON DIFFRACTION | 2.106 | 35.816 | 15145 | 730 | 72.37 | 0.2461 | 0.2447 | 0.2724 | |||||||||||
| 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] | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2913 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 483 |
| Heterogen Atoms | 100 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| PDB_EXTRACT | data extraction |
| CrysalisPro | data reduction |
| LAUENORM | data scaling |
| PHASER | phasing |














