2I37
Crystal structure of a photoactivated rhodopsin
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2I36 | PDB entry 2I36 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 6.3 | 278 | 80 mM MES, pH 6.3, 110 mM N-nonyl-beta-D-glucoside, 200 mM zinc acetate, 0.1% sodium azide, 16 mM beta-mercaptoethanol, 2.6% Merpol HCS, equilibrated against 3.1-3.3 M ammonium sulfate, VAPOR DIFFUSION, temperature 278K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.59 | 73.21 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 161.245 | α = 90 |
b = 161.245 | β = 90 |
c = 143.442 | γ = 120 |
Symmetry | |
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Space Group | P 31 1 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 | MARRESEARCH | 2005-11-13 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X06SA | 0.97620 | SLS | X06SA |
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 | 4.15 | 50 | 76.8 | 0.063 | 11.1 | 8.9 | 12498 | 12498 |
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 | 4.15 | 4.3 | 61.2 | 0.86 | 3.3 | 981 |
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 (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 2I36 | 4.15 | 30 | 12455 | 12455 | 645 | 76.78 | 0.378 | 0.378 | 0.377 | 0.382 | RANDOM | 177.21 |
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] | |
-14.29 | -7.14 | -14.29 | 21.43 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.147 |
r_dihedral_angle_4_deg | 20.403 |
r_dihedral_angle_3_deg | 18.005 |
r_dihedral_angle_1_deg | 6.048 |
r_angle_refined_deg | 1.069 |
r_angle_other_deg | 0.772 |
r_symmetry_hbond_refined | 0.336 |
r_symmetry_vdw_refined | 0.245 |
r_symmetry_vdw_other | 0.204 |
r_nbd_refined | 0.184 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7577 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 237 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MOLREP | phasing |