Crystal Structure of UP1 Complexed With d(TTAGGGTTAG(6-MI)G); A Human Telomeric Repeat Containing 6-methyl-8-(2-deoxy-beta-ribofuranosyl)isoxanthopteridine (6-MI)
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2UP1 | PDB ENTRY 2UP1 |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8.1 | 283 | ammonium phosphate, glycerol, Tris, sodium chloride, MES, EDTA, beta-mercaptoethanol, pH 8.1, VAPOR DIFFUSION, HANGING DROP, temperature 283.0K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.37 | 47.6 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 51.622 | α = 90 |
| b = 51.622 | β = 90 |
| c = 171.472 | 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 | 103 | IMAGE PLATE | RIGAKU RAXIS IV++ | osmic mirrors | 2003-02-09 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU RUH3R | 1.5418 | ||
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 | 2.6 | 20 | 94.9 | 0.093 | 0.093 | 15.2 | 5.9 | 13747 | 13747 | 22.3 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 2.6 | 2.64 | 96.1 | 0.325 | 0.325 | 4.4 | 5.4 | 357 | ||||||||||||
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 (All) | 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 | PDB ENTRY 2UP1 | 2.6 | 19.8 | 13747 | 11985 | 607 | 83.6 | 0.237 | 0.237 | 0.235 | 0.22 | 0.269 | 0.26 | Random | 21 | ||
| 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] | |
| 3.74 | 3.74 | -7.48 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| x_torsion_deg | 23.7 |
| x_angle_deg | 1.5 |
| x_torsion_impr_deg | 1.02 |
| x_bond_d | 0.007 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1467 |
| Nucleic Acid Atoms | 212 |
| Solvent Atoms | 46 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| Crystal | data collection |
| SCALEPACK | data scaling |
| CNS | refinement |
| CrystalClear | data reduction |
| CNS | phasing |














