3UCW
Structure of MG2+ bound N-Terminal domain of Calmodulin
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 298 | 20MM TRIS CACODYLATE, 32% PEG8000, 25MM MGAC, 1MM EGTA, 50MM KCL, 25% ETHYLENE GLYCOL, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.06 | 40.42 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 34.435 | α = 68.44 |
b = 43.04 | β = 88.62 |
c = 53.689 | γ = 79.44 |
Symmetry | |
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Space Group | P 1 |
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 315r | NINE QUADRANT | 2011-07-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X29A | 1.075000 | NSLS | X29A |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.76 | 50 | 95.6 | 0.071 | 15.6 | 4 | 27721 | 26501 | 2 | 28.433 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.76 | 1.82 | 87.5 | 0.404 | 3.3 | 2406 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | 1.76 | 39.32 | 1.98 | 26491 | 1344 | 94.82 | 0.198 | 0.196 | 0.2334 | 36.3102 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
6.0903 | -0.2483 | 3.2463 | -5.4939 | 0.1953 | -0.5964 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 16.85 |
f_angle_d | 0.877 |
f_chiral_restr | 0.051 |
f_bond_d | 0.009 |
f_plane_restr | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2371 |
Nucleic Acid Atoms | |
Solvent Atoms | 147 |
Heterogen Atoms | 10 |
Software
Software | |
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Software Name | Purpose |
MOSFLM | data reduction |
SCALEPACK | data scaling |
PHASER | phasing |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
DENZO | data reduction |