3WQJ
Crystal structure of archaerhodopsin-2 at 1.8 angstrom resolution
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2EI4 | PDB ENTRY 2EI4 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 283 | 2.8M AMMONIUM SULFATE, 0.1M HEPES, 0.32% NONYLGLUCOSIDE, 8% trehalose, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 283K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.25 | 45.23 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 62.739 | α = 90 |
b = 62.739 | β = 90 |
c = 331.464 | 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 | ADSC QUANTUM 315r | 2013-01-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL38B1 | 1.0 | SPring-8 | BL38B1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.8 | 45.11 | 91.3 | 0.054 | 0.054 | 28.5 | 8.8 | 24035 | 21944 | 2.1 | 2.1 | 23.15 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.8 | 1.9 | 100 | 0.5 | 0.5 | 5.1 | 9 | 3460 |
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 | PDB ENTRY 2EI4 | 1.8 | 15 | 21701 | 1105 | 90.52 | 0.2127 | 0.2112 | 0.241 | RANDOM | 26.661 |
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] | |
0.94 | 0.47 | 0.94 | -1.41 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 30.439 |
r_dihedral_angle_4_deg | 19.248 |
r_dihedral_angle_3_deg | 17.503 |
r_dihedral_angle_1_deg | 4.917 |
r_scangle_it | 4.205 |
r_scbond_it | 2.729 |
r_angle_refined_deg | 2.033 |
r_mcangle_it | 1.704 |
r_mcbond_it | 0.983 |
r_chiral_restr | 0.221 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1810 |
Nucleic Acid Atoms | |
Solvent Atoms | 51 |
Heterogen Atoms | 180 |
Software
Software | |
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Software Name | Purpose |
ADSC | data collection |
CNS | refinement |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
CNS | phasing |