Crystal structure of soluble lytic transglycosylase Cj0843 of Campylobacter jejuni in complex with N-acetyl-2,3-dehydro-2-deoxyneuraminic acid inhibitor
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 6CF9 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.9 | 293 | 0.1 M sodium citrate pH 5.9 and 26% (v/v) PEG 600. Protein buffer was 10 mM HEPES pH 8.0, 200 mM ammonium acetate buffer | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 3.74 | 67.14 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 178.822 | α = 90 | 
| b = 178.822 | β = 90 | 
| c = 178.822 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | I 2 3 | 
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | PIXEL | DECTRIS EIGER X 9M | 2021-11-03 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | NSLS-II BEAMLINE 17-ID-1 | 0.9201 | NSLS-II | 17-ID-1 | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | 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 | 2.07 | 126.45 | 100 | 0.133 | 0.999 | 14.6 | 20.9 | 57463 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 2.07 | 2.11 | 100 | 2.685 | 0.539 | 1.2 | 19.3 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 6CF9 | 2.07 | 126.45 | 52951 | 2711 | 96.86 | 0.1794 | 0.1773 | 0.19 | 0.2206 | 0.23 | RANDOM | 47.381 | ||||
| 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 | 
| r_dihedral_angle_3_deg | 16.569 | 
| r_dihedral_angle_2_deg | 10.322 | 
| r_dihedral_angle_1_deg | 6.051 | 
| r_angle_refined_deg | 1.665 | 
| r_angle_other_deg | 0.544 | 
| r_chiral_restr | 0.081 | 
| r_bond_refined_d | 0.009 | 
| r_gen_planes_refined | 0.009 | 
| r_bond_other_d | 0.001 | 
| r_gen_planes_other | 0.001 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 4276 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 314 | 
| Heterogen Atoms | 40 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| PDB_EXTRACT | data extraction | 
| XDS | data reduction | 
| XDS | data scaling | 
| PHASER | phasing | 














