The Crystal Structure of Succinyl-CoA synthetase alpha subunit from Thermus Thermophilus
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1SCU | PDB ENTRY 1SCU |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 8.6 | PROTEIN WAS CRYSTALLIZED FROM 22.5% PEG 4000, 100 MM CHES,, pH 8.60 | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.3 | 43.5 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 61.54 | α = 90 |
| b = 61.54 | β = 90 |
| c = 60.877 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 31 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | IMAGE PLATE | RIGAKU RAXIS V | 2003-05-15 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SPRING-8 BEAMLINE BL26B1 | SPring-8 | BL26B1 | |
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 | 1.23 | 50 | 99.7 | 0.023 | 34.9 | 4.1 | 74888 | 2 | 10.3 | ||||||||||
| 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 | 1.23 | 1.27 | 99.5 | 0.19 | 10.3 | 4.1 | |||||||||||||
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 Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1SCU | 1.23 | 50 | 73570 | 7418 | 98 | 0.178 | 0.178 | 0.18 | 0.196 | RANDOM | 15.2 | |||||
| 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] | |
| 0.16 | 0.35 | 0.16 | -0.32 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| c_dihedral_angle_d | 23.4 |
| c_scangle_it | 3.71 |
| c_scbond_it | 2.64 |
| c_mcangle_it | 1.62 |
| c_mcbond_it | 1.23 |
| c_angle_deg | 1.2 |
| c_improper_angle_d | 0.82 |
| c_bond_d | 0.005 |
| c_bond_d_na | |
| c_bond_d_prot | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1972 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 419 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| CNS | refinement |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| CNS | phasing |














