1.6 Angstrom Crystal Structure of the Alpha-kinase Domain of Myosin Heavy Chain Kinase A Complex with AMP
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 277 | 20% PEG 3350, 0.2M potassium phosphate, 0.1M Tris-HCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.18 | 43.48 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 76.224 | α = 90 |
| b = 83.777 | β = 90 |
| c = 44.364 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 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 | 100 | CCD | ADSC QUANTUM 1 | 2007-04-18 | M | SINGLE WAVELENGTH | ||||||
| 2 | 1 | IMAGE PLATE | RIGAKU RAXIS IV | Cr VariMax Multilayer Optics | 2007-03-22 | |||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | CHESS BEAMLINE F1 | 0.918 | CHESS | F1 |
| 2 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 2.29 | ||
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 | 1.6 | 50 | 96.6 | 0.066 | 46.52 | 10.3 | 37007 | ||||||||||||
| 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) | |||||||||||
| 1.6 | 1.66 | 78.7 | 0.19 | 9.77 | 5.7 | ||||||||||||||
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 | SAD | THROUGHOUT | 1.6 | 28.28 | 34910 | 1849 | 96.15 | 0.19507 | 0.19364 | 0.19 | 0.22364 | 0.22 | RANDOM | 14.733 | |||||
| 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] | |
| 0.01 | -0.05 | 0.04 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.799 |
| r_dihedral_angle_4_deg | 17.66 |
| r_dihedral_angle_3_deg | 11.66 |
| r_dihedral_angle_1_deg | 5.666 |
| r_scangle_it | 2.918 |
| r_scbond_it | 1.745 |
| r_mcangle_it | 1.155 |
| r_angle_refined_deg | 1.135 |
| r_mcbond_it | 0.591 |
| r_chiral_restr | 0.073 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1964 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 305 |
| Heterogen Atoms | 37 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-2000 | data collection |
| SHARP | phasing |
| REFMAC | refinement |
| DENZO | data reduction |
| SCALEPACK | data scaling |














