Crystal structure of N-acetyl-gamma-glutamyl-phosphate reductase (TM1782) from Thermotoga maritima at 1.80 A resolution
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION,SITTING DROP,NANODROP | 295 | 13.50% PEG 3350, 0.50M (NH4)formate , VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 295K | |
| 2 | VAPOR DIFFUSION,SITTING DROP,NANODROP | 295 | 13.50M (NH4)formate, 0.50% PEG 3350 , VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 295K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.28 | 46.17 |
| 2.31 | 46.31 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 85.098 | α = 90 |
| b = 92.103 | β = 112.76 |
| c = 100.88 | 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 | 100 | CCD | ADSC | 2003-09-20 | M | MAD | ||||||
| 2 | 1 | 100 | ||||||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALS BEAMLINE 8.2.1 | ALS | 8.2.1 | |
| 2 | SYNCHROTRON | ALS BEAMLINE 8.2.1 | 0.9794, 0.9795, 1.0000 | ALS | 8.2.1 |
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 | 1.8 | 50 | 99.46 | 0.055 | 18.91 | 3.96 | 131126 | 37.18 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.8 | 1.84 | 95.79 | 0.507 | 2.12 | 2.85 | 8413 | ||||||||||||
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 | MAD | THROUGHOUT | 1.8 | 46.51 | 124606 | 6565 | 98.12 | 0.17942 | 0.17766 | 0.19 | 0.21182 | 0.22 | RANDOM | 34.956 | |||||
| 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] | |
| 3.68 | 3.77 | -1.52 | 0.75 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.361 |
| r_dihedral_angle_4_deg | 19.618 |
| r_dihedral_angle_3_deg | 14.159 |
| r_scangle_it | 7.14 |
| r_dihedral_angle_1_deg | 6.477 |
| r_scbond_it | 5.286 |
| r_mcangle_it | 3.248 |
| r_mcbond_it | 2.384 |
| r_angle_refined_deg | 1.515 |
| r_angle_other_deg | 0.844 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 10513 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 756 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| SHELXD | phasing |
| autoSHARP | phasing |
| REFMAC | refinement |














