Crystal structure of the catalytic subunit of cAMP-dependent protein kinase displaying complete phosphoryl transfer of AMP-PNP onto a substrate peptide
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8 | 277.15 | Protein buffer: 50 mM Bicine, 150 mM Ammonium Acetate, 10 mM DTT, ~7-10 mg/mL protein Well Solution: 1 mL of 2% MPD, 80 uL methanol added to the well immediately before sealing 8 uL drops of 1:1 protein:well were used., VAPOR DIFFUSION, HANGING DROP, temperature 277.15K, pH 8.0 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.64 | 53.37 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 71.545 | α = 90 |
| b = 79.06 | β = 90 |
| c = 80.09 | 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 | M | SINGLE WAVELENGTH | |||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALS BEAMLINE 8.2.2 | 1.0 | ALS | 8.2.2 |
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 | 2.15 | 44.35 | 85.7 | 0.1 | 12.4 | 7.2 | 21475 | ||||||||||||
| 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) | |||||||||||
| 1 | 2.15 | 2.27 | 66.2 | 0.444 | 2.8 | 3.8 | |||||||||||||
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 (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 | 2.15 | 44.35 | 20161 | 1076 | 83.81 | 0.18907 | 0.18709 | 0.1883 | 0.22797 | 0.2288 | RANDOM | 35.324 | |||||
| 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] | |
| -0.14 | 1.98 | -1.84 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.923 |
| r_dihedral_angle_4_deg | 15.757 |
| r_dihedral_angle_3_deg | 14.545 |
| r_dihedral_angle_1_deg | 5.512 |
| r_scangle_it | 2.201 |
| r_scbond_it | 1.344 |
| r_angle_refined_deg | 1.155 |
| r_mcangle_it | 0.936 |
| r_mcbond_it | 0.497 |
| r_chiral_restr | 0.077 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2908 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 177 |
| Heterogen Atoms | 29 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| MOSFLM | data reduction |
| SCALA | data scaling |














