Joint X-ray/neutron room temperature structure of perdeuterated LecB lectin in complex with perdeuterated fucose
X-RAY DIFFRACTION - NEUTRON DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1GZT | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 292 | 0.1 M Tris/DCl, pD 7.1, 20% (w/v) PEG 4000 | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.26 | 45.5 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 52.9 | α = 90 |
| b = 73.87 | β = 94.58 |
| c = 55.003 | 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 | IMAGE PLATE | MAR scanner 345 mm plate | 2020-09-16 | M | SINGLE WAVELENGTH | ||||||
| 2 | 1 | neutron | 293 | IMAGE PLATE | LADI III | 2020-08-18 | L | LAUE | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SEALED TUBE | Xenocs GeniX 3D Cu HF | 1.5418 | ||
| 2 | NUCLEAR REACTOR | ILL BEAMLINE LADI III | 2.8-3.8 | ILL | LADI III |
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 | 1.85 | 33 | 96.6 | 0.097 | 1 | 11.3 | 7 | 34855 | 12.85 | ||||||||||
| 2 | 1.9 | 43 | 73.8 | 10.9 | 5.5 | 3.7 | 24478 | 12.85 | |||||||||||
| 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 | 1.85 | 1.89 | 0.85 | ||||||||||||||||
| 2 | 1.9 | 2.08 | 17 | ||||||||||||||||
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 | 1.85 | 27.41 | 1.36 | 34734 | 1736 | 96.22 | 0.1061 | 0.1042 | 0.1048 | 0.1419 | 0.1421 | 21.52 | ||||||
| NEUTRON DIFFRACTION | MOLECULAR REPLACEMENT | 1.9 | 42.92 | 24283 | 1195 | 72.84 | 0.1941 | 0.1914 | 0.2461 | ||||||||||
| 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 | 17.8892 |
| f_dihedral_angle_d | 17.8892 |
| f_angle_d | 1.2693 |
| f_angle_d | 1.2693 |
| f_chiral_restr | 0.074 |
| f_chiral_restr | 0.074 |
| f_bond_d | 0.0101 |
| f_bond_d | 0.0101 |
| f_plane_restr | 0.0068 |
| f_plane_restr | 0.0068 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3308 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 364 |
| Heterogen Atoms | 57 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| iMOSFLM | data reduction |
| Coot | model building |
| SCALA | data scaling |
| PHASER | phasing |














