Crystal structure of a methyltransferase involved in the biosynthesis of gentamicin in complex with (1R,2S,3S,4R,6R)-4,6-diamino-3-{[3-deoxy-4-C-methyl-3-(methylamino)-beta-L-arabinopyranosyl]oxy}-2-hydroxycyclohexyl 2-amino-2-deoxy-alpha-D-glucopyranoside
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 5U4T | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 291 | Calcium chloride, hepes pH 8, peg 6000 | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.21 | 44.3 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 65.725 | α = 90 | 
| b = 67.383 | β = 90 | 
| c = 69.571 | 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 | 293 | PIXEL | DECTRIS PILATUS3 S 6M | 2016-08-17 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1) | 0.97 | PETRA III, EMBL c/o DESY | P13 (MX1) | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 1.902 | 47.05 | 99.95 | 0.037 | 22.82 | 2 | 24922 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 5U4T | 1.902 | 47.05 | 1.37 | 24922 | 1129 | 99.92 | 0.1856 | 0.184 | 0.19 | 0.2189 | 0.22 | 34.448 | ||||
| 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 | 2397 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 123 | 
| Heterogen Atoms | 60 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| PDB_EXTRACT | data extraction | 
| XDS | data reduction | 
| Aimless | data scaling | 
| PHASER | phasing | 














