6LB7
Crystal structure of the Ca2+-free and Ca2+-bound MICU1-MICU2 complex
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 293.15 | 0.2 M ammonium chloride, 5% (w/v) polyethylene glycol (PEG) 3350 |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.54 | 51.6 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 85.481 | α = 90 |
b = 107.721 | β = 90 |
c = 170.381 | γ = 90 |
Symmetry | |
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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 | PIXEL | DECTRIS PILATUS3 6M | 2018-10-03 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRF BEAMLINE BL19U1 | 0.97892 | SSRF | BL19U1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | 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 | 2.101 | 47.3 | 98 | 0.1246 | 0.1297 | 0.984 | 10.87 | 13 | 92168 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.101 | 2.176 | 100 | 1.192 | 0.775 | 1.35 | 12.3 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | FREE R-VALUE | 4NSC, 6IIH | 2.101 | 47.3 | 1.34 | 90895 | 2000 | 98.44 | 0.1947 | 0.194 | 0.2267 | 35.5483 |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 17.137 |
f_angle_d | 1.292 |
f_chiral_restr | 0.063 |
f_bond_d | 0.021 |
f_plane_restr | 0.013 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 9893 |
Nucleic Acid Atoms | |
Solvent Atoms | 1098 |
Heterogen Atoms | 2 |
Software
Software | |
---|---|
Software Name | Purpose |
PHENIX | refinement |
HKL-2000 | data scaling |
PDB_EXTRACT | data extraction |
HKL-2000 | data reduction |
PHENIX | phasing |