3OX6
Crystal Structure of the calcium sensor calcium-binding protein 1 (CaBP1)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 293 | 1.9M (NH4)2SO4, 5-7% 1,6-hexanediol, 0.1M citrate/sodium citrate pH5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.2 | 44.11 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 68.716 | α = 90 |
b = 68.716 | β = 90 |
c = 344.195 | γ = 120 |
Symmetry | |
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Space Group | P 31 2 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 | 2008-11-18 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.3.1 | 0.97958, 0.97972, 1.01987 | ALS | 8.3.1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 2.4 | 50 | 99.4 | 0.072 | 7.1 | 3.9 | 38309 | 38103 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
2.4 | 2.53 | 99 | 0.432 | 1.6 | 2.8 |
Refinement
Statistics | |||||||||||||||||||
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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 | MAD | THROUGHOUT | 2.4 | 15 | 35928 | 1944 | 99.4 | 0.25436 | 0.25218 | 0.29528 | RANDOM | 90.926 |
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] | |
-0.11 | -0.06 | -0.11 | 0.17 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.995 |
r_dihedral_angle_4_deg | 21.208 |
r_dihedral_angle_3_deg | 20.497 |
r_dihedral_angle_1_deg | 5.686 |
r_scangle_it | 3.545 |
r_mcangle_it | 3.001 |
r_scbond_it | 2.383 |
r_mcbond_it | 1.854 |
r_angle_refined_deg | 1.556 |
r_chiral_restr | 0.1 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6800 |
Nucleic Acid Atoms | |
Solvent Atoms | 108 |
Heterogen Atoms | 43 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
SHELXS | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |