Crystal structure of human hypoxanthine guanine phosphoribzosyltransferase in complex with (4S,7S)-7-hydroxy-4-((guanin-9-yl)methyl)-2,5-dioxaheptan-1,7-diphosphonate
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3GEP | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.4 | 293 | 0.1 M Bis-tris propane, pH 7.4, 0.1 M sodium citrate, 17.5% PEG 3350 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.34 | 47.52 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 74.818 | α = 90 |
| b = 93.743 | β = 90 |
| c = 130.46 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
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 2M | 2020-07-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX1 | 0.987 | Australian Synchrotron | MX1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | 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 | 2.58 | 49.17 | 99.6 | 0.97 | 12.66 | 11.2 | 29515 | 50.4065251836 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 2.58 | 2.67 | 96.19 | 0.9 | 7.5 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 3GEP | 2.58155523622 | 49.1672764131 | 1.34356605534 | 29365 | 1994 | 99.4378788392 | 0.206998652186 | 0.203344261289 | 0.21 | 0.257283736354 | 0.26 | 51.9478388429 | ||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 13.661334307 |
| f_angle_d | 0.682295075972 |
| f_chiral_restr | 0.0252463322234 |
| f_plane_restr | 0.00383513431668 |
| f_bond_d | 0.00266639383706 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6282 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 60 |
| Heterogen Atoms | 112 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| BLU-MAX | data collection |
| XDS | data reduction |
| XDS | data scaling |
| PHENIX | phasing |














