6YX8
The structure of allophycocyanin from cyanobacterium Nostoc sp. WR13, the C2221 crystal form.
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 6YX7 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293 | Morpheus screen condition E12: 37.5% v/v Precipitant mix 4: 25% v/v MPD; 25% PEG 1000; 25% w/v PEG 3350; 0.1M Buffer system 3: 1.0M Tris (base); bicine, pH 8.5 0.12M Additives: 0.3M ethylene glycols |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.66 | 53.7 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 104.676 | ¦Á = 90 |
b = 177.34 | ¦Â = 90 |
c = 122.416 | ¦Ã = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
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 | 2018-09-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I04-1 | 0.91587 | Diamond | I04-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 1.831 | 90.144 | 95.7 | 0.126 | 0.137 | 0.053 | 0.996 | 9.3 | 6.6 | 87249 | 26.15 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 1.831 | 1.941 | 58.3 | 1.278 | 1.278 | 0.524 | 0.599 | 1.5 |
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 (All) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 6YX7 | 1.831 | 90.144 | 87257 | 4339 | 87.265 | 0.161 | 0.1595 | 0.1983 | 32.791 |
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] | |
0.262 | -0.452 | 0.19 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.274 |
r_dihedral_angle_4_deg | 18.567 |
r_dihedral_angle_3_deg | 14.545 |
r_dihedral_angle_other_3_deg | 13.127 |
r_lrange_it | 6.711 |
r_lrange_other | 6.338 |
r_dihedral_angle_1_deg | 5.18 |
r_scangle_it | 4.005 |
r_scangle_other | 4.005 |
r_mcangle_other | 2.558 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7224 |
Nucleic Acid Atoms | |
Solvent Atoms | 928 |
Heterogen Atoms | 936 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
Aimless | data scaling |
autoPROC | data scaling |
STARANISO | data scaling |
PHASER | phasing |
Coot | model building |