Crystal Structure of Human Carbamoyl phosphate synthetase I (CPS1), ligand-bound form
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 5DOT | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7.2 | 277 | 0.4 M MgCl2, 0.2 M ammonium tartrate |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.52 | 51.15 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 78.919 | α = 90.66 |
| b = 98.558 | β = 98.65 |
| c = 214.89 | γ = 90.08 |
| Symmetry | |
|---|---|
| Space Group | P 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 | PIXEL | DECTRIS PILATUS 6M | 2013-11-21 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALBA BEAMLINE XALOC | 0.97947 | ALBA | XALOC |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 2.6 | 40 | 90.7 | 0.081 | 0.111 | 0.076 | 7.9 | 1.8 | 178654 | 178654 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
| 1 | 2.6 | 2.74 | 84.9 | 0.321 | 0.321 | 0.318 | 2.1 | 1.7 | 24542 | ||||||||||
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 | 5DOT | 2.6 | 40 | 169655 | 8988 | 90.7 | 0.1967 | 0.1949 | 0.2 | 0.2292 | 0.2 | RANDOM | 45.659 | ||||
| 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] | |
| 0.17 | -0.29 | 0.32 | -2.92 | -0.17 | 2.54 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.256 |
| r_dihedral_angle_4_deg | 15.739 |
| r_dihedral_angle_3_deg | 15.187 |
| r_dihedral_angle_1_deg | 5.903 |
| r_mcangle_it | 2.883 |
| r_mcbond_it | 1.759 |
| r_mcbond_other | 1.759 |
| r_angle_refined_deg | 1.404 |
| r_angle_other_deg | 0.948 |
| r_chiral_restr | 0.072 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 44008 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 640 |
| Heterogen Atoms | 341 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| SCALA | data scaling |
| PDB_EXTRACT | data extraction |
| XDS | data reduction |
| PHASER | phasing |
| XSCALE | data reduction |














