Crystal structure of the Voltage Dependent Calcium Channel beta-2 Subunit in Complex With The CaV2.2 I-II Linker.
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION | 8 | 292 | 0.1 M NaCl, 0.1 M Bicine, 23-26% PEG 400 , pH 8.0, VAPOR DIFFUSION, temperature 292K |
| 2 | VAPOR DIFFUSION | 8 | 292 | 0.1 M NaCl, 0.1 M Bicine, 23-26% PEG 400 Soaked with NaBr before freezing, pH 8.0, VAPOR DIFFUSION, temperature 292K |
| 3 | VAPOR DIFFUSION | 8 | 292 | 0.1 M NaCl, 0.1 M Bicine, 23-26% PEG 400 Soaked with NaBr before freezing, pH 8.0, VAPOR DIFFUSION, temperature 292K |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 36.908 | α = 90 |
| b = 68.661 | β = 102.55 |
| c = 79.158 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 |
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 | MARMOSAIC 225 mm CCD | 2006-04-02 | M | SINGLE WAVELENGTH | ||||||
| 2 | 2 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | 2006-04-01 | M | SINGLE WAVELENGTH | ||||||
| 3 | 3 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | 2006-04-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID23-2 | 0.873 | ESRF | ID23-2 |
| 2 | SYNCHROTRON | ESRF BEAMLINE BM14 | 0.918 | ESRF | BM14 |
| 3 | SYNCHROTRON | ESRF BEAMLINE BM14 | 0.918 | ESRF | BM14 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | |||||||||
| 1,2,3 | 2 | 30 | 90.1 | 26222 | 26222 | ||||||||||||||
| 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) | |||||||||||
| 1,2,3 | 2 | 2.07 | 53.6 | 0.421 | 1.7 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution 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 | SIRAS | 2 | 27.313 | 23818 | 1236 | 90.94 | 0.1996 | 0.1975 | 0.19 | 0.2381 | 0.23 | RANDOM | |||||||
| 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] | |
| 0.5628 | -0.2462 | -2.1694 | 1.6066 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 16.728 |
| f_angle_d | 1.032 |
| f_chiral_restr | 0.069 |
| f_bond_d | 0.008 |
| f_plane_restr | 0.004 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2664 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 162 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |














