Ternary complex of DNA polymerase I from Bacillus stearothermophilus, large fragment, bound to DNA containing a thymine dimer and dATP
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3HPO | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 290 | 46% (v/v) saturated ammonium sulfate, 10 mM manganese sulfate (MnSO4), 100 mM 2-(N-morpholino)ethanesulfonic acid (MES), 5% 2-methyl-1,3-propanediol (MPD), 1 mM 2',3'-dideoxyguanosine triphosphate, 5 mM 2'-deoxyadenosine triphosphate | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.14 | 60.59 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 92.14 | α = 90 |
| b = 92.14 | β = 90 |
| c = 189.69 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 31 2 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 | MARMOSAIC 225 mm CCD | 2015-03-26 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 22-BM | 1.000 | APS | 22-BM |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | Rrim I (All) | CC (Half) | 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 | 2.249 | 79.8 | 99.3 | 0.063 | 0.999 | 21.64 | 6.9 | 44763 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 2.249 | 2.31 | 92.4 | 1 | 0.616 | 1.42 | 4.6 | ||||||||||||
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 (All) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 2.249 | 79.796 | 44763 | 2372 | 99.229 | 0.228 | 0.2247 | 0.231 | 0.2853 | 0.286 | 57.896 | ||||||
| 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] | |
| 0.001 | 0.001 | 0.001 | -0.004 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_3_deg | 16.61 |
| r_dihedral_angle_6_deg | 14.523 |
| r_lrange_other | 13.615 |
| r_lrange_it | 13.608 |
| r_scangle_it | 10.642 |
| r_scangle_other | 10.575 |
| r_dihedral_angle_2_deg | 9.683 |
| r_mcangle_it | 8.319 |
| r_mcangle_other | 8.319 |
| r_scbond_it | 7.122 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4651 |
| Nucleic Acid Atoms | 505 |
| Solvent Atoms | 98 |
| Heterogen Atoms | 46 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| XSCALE | data scaling |
| PHASER | phasing |














