3KTF
Structure of the N-terminal BRCT domain of human microcephalin (MCPH1).
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 7 | 295 | 0.2M sodium succinate, 15% PEG 3350, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.1 | 41.47 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 35.069 | α = 90 |
b = 39.274 | β = 91.52 |
c = 106.639 | γ = 90 |
Symmetry | |
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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 | ADSC QUANTUM 315 | 2008-10-10 | M | SAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X29A | NSLS | X29A |
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 | 30 | 88.9 | 0.059 | 46.07 | 6.4 | 36909 | 2 |
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) | |||||||||||
1.55 | 1.62 | 64.1 | 0.397 | 2.95 | 4 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 1.6 | 30 | 36909 | 624 | 100 | 0.139 | 0.138 | 0.195 | RANDOM | 23.09 |
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] | |
0.76 | -0.32 | -1.42 | 0.64 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.295 |
r_dihedral_angle_4_deg | 19.494 |
r_sphericity_free | 16.078 |
r_dihedral_angle_3_deg | 15.175 |
r_sphericity_bonded | 12.012 |
r_scangle_it | 6.773 |
r_dihedral_angle_1_deg | 6.13 |
r_scbond_it | 5.028 |
r_mcangle_it | 3.581 |
r_rigid_bond_restr | 2.982 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2286 |
Nucleic Acid Atoms | |
Solvent Atoms | 302 |
Heterogen Atoms | 1 |
Software
Software | |
---|---|
Software Name | Purpose |
HKL-2000 | data collection |
SHELXS | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
HKL2Map | phasing |