3R1O
Odorant Binding Protein 7 from Anopheles gambiae with Four Disulfide Bridges
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2ERB | PDB ENTRY 2ERB |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.75 | 298 | 33 mM HEPES, pH 7.25-8.25, 0.4-1.0 M KCl, 6.6 mM sodium borate, 0.83 M sodium citrate tribasic, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.11 | 41.6 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 46.704 | α = 90 |
b = 46.469 | β = 103.78 |
c = 57.438 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 4 | 2010-10-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM14 | ESRF | BM14 |
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 | 2.1 | 55.8 | 99.8 | 0.091 | 22.1 | 5.2 | 14055 | 14055 | 20.34 |
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 | 2.1 | 2.2 | 99.3 | 0.193 | 8.8 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | PDB ENTRY 2ERB | 2.1 | 55.79 | 13831 | 13831 | 995 | 0.2735 | 0.2723 | 0.289 | RANDOM | 21.31 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.4426 | 3.2827 | 1.7811 | -1.3385 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_dihedral_angle_d | 22 |
t_other_torsion | 21.87 |
t_trig_c_planes | 3 |
t_gen_planes | 3 |
t_omega_torsion | 2.99 |
t_angle_deg | 1.25 |
t_bond_d | 0.009 |
t_it | |
t_chiral_improper_torsion | |
t_ideal_dist_contact |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1751 |
Nucleic Acid Atoms | |
Solvent Atoms | 191 |
Heterogen Atoms | 36 |
Software
Software | |
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Software Name | Purpose |
ADSC | data collection |
MOLREP | phasing |
BUSTER | refinement |
XDS | data reduction |
XSCALE | data scaling |