Crystal structures of C2ALPHA-PI3 kinase PX-domain domain indicate conformational change associated with ligand binding.
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1OCS | PDB ENTRY 1OCS |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6 | 293 | 0.1M MALEIC ACID/NAOH, 10% GLYCEROL, PH 6.00, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.85 | 56.45 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 56.866 | α = 90 |
| b = 56.866 | β = 90 |
| c = 92.995 | 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 | 105 | IMAGE PLATE | RIGAKU RAXIS IV | MIRRORS OSMIC | 2004-11-04 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU RU200 | 1.5418 | ||
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 | 2.5 | 30 | 89.4 | 0.028 | 40 | 3.5 | 5731 | 5731 | |||||||||||
| 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) | |||||||||||
| 2.5 | 2.59 | 70.9 | 0.107 | 9 | |||||||||||||||
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 1OCS | 2.5 | 27.19 | 5456 | 5456 | 250 | 89.35 | 0.23454 | 0.23454 | 0.23097 | 0.22 | 0.31808 | 0.31 | RANDOM | 40.838 | ||
| 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 |
| r_dihedral_angle_2_deg | 35.927 |
| r_dihedral_angle_3_deg | 20.831 |
| r_dihedral_angle_1_deg | 10.018 |
| r_dihedral_angle_4_deg | 8.59 |
| r_scangle_it | 5.209 |
| r_scbond_it | 3.658 |
| r_mcangle_it | 3.358 |
| r_angle_refined_deg | 2.814 |
| r_mcbond_it | 2.026 |
| r_nbtor_refined | 0.345 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 945 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 19 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| EPMR | phasing |
| REFMAC | refinement |
| DENZO | data reduction |
| SCALEPACK | data scaling |














