3G43
Crystal structure of the calmodulin-bound Cav1.2 C-terminal regulatory domain dimer
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 298 | 20% PEG 6000, 1.0 M LiCl, 3% w/v MPD, 100 mM MES, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.41 | 49.01 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 39.79 | α = 90 |
b = 113.98 | β = 90 |
c = 182.13 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | 2007-03-20 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | x-ray | 100 | CCD | MAR CCD 165 mm | 2006-12-14 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.95372 | APS | 19-ID |
2 | SYNCHROTRON | CAMD BEAMLINE GCPCC | 0.9510, 0.9500, 0.9450 | CAMD | GCPCC |
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 | 2.1 | 20 | 99.8 | 0.041 | 39.6 | 5.9 | 49459 | 49200 | 1 |
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) | |||||||||||
2.1 | 2.18 | 99.9 | 0.278 | 5.3 | 5.7 | 4799 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MAD | THROUGHOUT | 2.1 | 19.93 | 2 | 49200 | 47974 | 3191 | 97.3 | 0.253 | 0.22 | 0.22 | 0.269 | RANDOM | 46.363 |
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] | |
2.4 | 2.69 | -5.09 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 18 |
c_scangle_it | 3.61 |
c_mcangle_it | 2.7 |
c_scbond_it | 2.38 |
c_mcbond_it | 1.67 |
c_angle_deg | 1 |
c_improper_angle_d | 0.63 |
c_bond_d | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4997 |
Nucleic Acid Atoms | |
Solvent Atoms | 518 |
Heterogen Atoms | 14 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | phasing |
CNS | refinement |
PDB_EXTRACT | data extraction |
HKL-3000 | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |