5N7X
CRYSTAL STRUCTURE OF STREPTAVIDIN WITH PEPTIDE EWVHPQFEQKAK
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | 0.1M Magnesium acetate 0.1M Sodium cacodylate pH 6.5 15% PEG6000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.83 | 32.97 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 57.913 | α = 96.31 |
b = 64.806 | β = 97.15 |
c = 81.156 | γ = 84.09 |
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 | PIXEL | DECTRIS PILATUS 6M-F | 2015-07-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X10SA | 0.9999 | SLS | X10SA |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 1.12 | 80.13 | 90.4 | 0.031 | 0.99 | 10.03 | 1.66 | 403025 |
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 | 1.12 | 1.22 | 86.1 | 0.54 | 0.37 | 0.94 | 1.58 |
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 1.12 | 80.13 | 382815 | 20178 | 90.36 | 0.16149 | 0.16023 | 0.18554 | RANDOM | 18.773 |
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] | |
-0.25 | -1 | -0.24 | -0.16 | 0.95 | 0.08 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_sphericity_free | 32.327 |
r_dihedral_angle_2_deg | 28.554 |
r_dihedral_angle_4_deg | 15.987 |
r_sphericity_bonded | 11.585 |
r_dihedral_angle_3_deg | 10.586 |
r_dihedral_angle_1_deg | 6.671 |
r_long_range_B_refined | 3.405 |
r_long_range_B_other | 2.783 |
r_scangle_other | 2.576 |
r_rigid_bond_restr | 2.438 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8074 |
Nucleic Acid Atoms | |
Solvent Atoms | 1270 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
SADABS | data scaling |
PHASER | phasing |