5KB1
Crystal Structure of a Tris-thiolate Hg(II) Complex in a de Novo Three Stranded Coiled Coil Peptide
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 298 | Tris buffer pH 8.5, 2-Propanol |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.42 | 49.11 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 38.048 | α = 90 |
b = 38.048 | β = 90 |
c = 143.651 | γ = 120 |
Symmetry | |
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Space Group | H 3 2 |
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 | MARMOSAIC 300 mm CCD | 2012-04-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.97856 | APS | 21-ID-G |
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 | 2.09 | 50 | 99.9 | 0.094 | 7.5 | 18.2 | 2585 | 37.16 |
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 | 2.09 | 2.13 | 100 | 0.483 | 18.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | apo-(GRAND Coil Ser L12dLL16C)3 | 2.09 | 47.88 | 2584 | 142 | 99.8 | 0.22 | 0.218 | 0.257 | RANDOM | 47.88 |
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] | |
7.8492 | 7.8492 | -15.6985 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_other_torsion | 18.81 |
t_omega_torsion | 2.37 |
t_angle_deg | 1.01 |
t_bond_d | 0.01 |
t_dihedral_angle_d | |
t_trig_c_planes | |
t_gen_planes | |
t_it | |
t_nbd | |
t_improper_torsion |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 278 |
Nucleic Acid Atoms | |
Solvent Atoms | 23 |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data scaling |
BUSTER-TNT | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data reduction |
MOLREP | phasing |