Crystal structure of 3-ketoacyl-(acyl-carrier-protein) reductase (FabG) (G141A) from Vibrio cholerae in complex with NADPH
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 289 | 0.17 M Ammonium Acetate,0.085 M Sodium Citrate:HCl,25.5% (w/v) PEG 4000,15% (v/v) Glycerol |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.46 | 49.92 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 79.904 | α = 90 |
| b = 110.337 | β = 90 |
| c = 117.482 | 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 | 100 | CCD | MARMOSAIC 300 mm CCD | 2014-08-23 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.9786 | APS | 21-ID-G |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (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 | 2.2 | 27 | 98.8 | 0.077 | 0.084 | 0.034 | 7.4 | 6 | 52121 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 2.2 | 2.24 | 93.9 | 0.606 | 0.664 | 0.268 | 0.881 | 5.4 | 2431 | ||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 2.21 | 27 | 49545 | 2512 | 98.1 | 0.2107 | 0.2091 | 0.21 | 0.2408 | 0.24 | RANDOM | 65.28 | |||||
| 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] | |
| 4.64 | -6.09 | 1.45 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.352 |
| r_dihedral_angle_4_deg | 18.422 |
| r_dihedral_angle_3_deg | 13.839 |
| r_dihedral_angle_1_deg | 5.967 |
| r_mcangle_it | 3.675 |
| r_mcbond_it | 2.383 |
| r_mcbond_other | 2.383 |
| r_angle_refined_deg | 1.601 |
| r_angle_other_deg | 1.245 |
| r_chiral_restr | 0.086 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6704 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 99 |
| Heterogen Atoms | 128 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-3000 | data reduction |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| HKL-3000 | data scaling |
| MOLREP | phasing |
| DENZO | data reduction |
| SCALEPACK | data scaling |














