Structure of a putative n-acetyltransferase (ta0374) in complex with acetyl-coa from thermoplasma acidophilum
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1TIQ | PDB ENTRY 1TIQ |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 295 | 0.1M Na Acetate, 30% PEG6000, VAPOR DIFFUSION, SITTING DROP, temperature 295K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.83 | 56.54 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 69.038 | α = 90 |
| b = 69.038 | β = 90 |
| c = 89.193 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 43 21 2 |
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 | MIRROR | 2008-10-10 | M | SAD | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 21-ID-D | APS | 21-ID-D | |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 1.9 | 54.55 | 20.8 | 0.49 | 0.49 | 3.794 | 1.2 | 7926 | -3 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 1 | 1.9 | 1.93 | 99.7 | 0.2 | 1 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | SAD | THROUGHOUT | PDB ENTRY 1TIQ | 2.5 | 54.55 | 7926 | 7926 | 365 | 99.87 | 0.18 | 0.177 | 0.19 | 0.229 | 0.23 | RANDOM | 26.18 | |||
| 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] | |
| 1.26 | 1.26 | -2.53 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 31.909 |
| r_dihedral_angle_4_deg | 17.867 |
| r_dihedral_angle_3_deg | 14.042 |
| r_scangle_it | 5.062 |
| r_dihedral_angle_1_deg | 3.822 |
| r_scbond_it | 3.33 |
| r_mcangle_it | 1.707 |
| r_angle_refined_deg | 1.582 |
| r_mcbond_it | 0.932 |
| r_chiral_restr | 0.088 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1326 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 67 |
| Heterogen Atoms | 53 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| Blu-Ice | data collection |
| BALBES | phasing |
| CCP4 | model building |
| ARP/wARP | model building |
| Coot | model building |
| REFMAC | refinement |
| CrystalClear | data reduction |
| HKL-2000 | data scaling |
| SOLVE | phasing |
| RESOLVE | phasing |
| SHARP | phasing |














