6YX7
The high resolution structure of allophycocyanin from cyanobacterium Nostoc sp. WR13, the P21212 crystal form.
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1B33 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293 | Morpheus screen condition H12: Precipitant mix 4: 25% v/v MPD; 25% PEG 1000; 25% w/v PEG 3350; Buffer system 3: 1.0M Tris (base); bicine, pH 8.5 Additives: amino acids: 0.2M Gly, DL-Ala, DL-Ser, DL-Glu, DL-Lys |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.95 | 58.3 |
Crystal Data
Unit Cell | |
---|---|
Length ( ? ) | Angle ( ? ) |
a = 123.695 | ¦Á = 90 |
b = 177.726 | ¦Â = 90 |
c = 106.372 | ¦Ã = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2018-07-29 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I03 | 0.97932 | Diamond | I03 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.419 | 106.372 | 96.1 | 0.077 | 0.082 | 0.027 | 0.998 | 13.8 | 8.7 | 383047 | 19.64 |
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 | 1.419 | 1.503 | 61.3 | 1.22 | 1.313 | 0.478 | 0.623 | 1.7 | 7.2 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1B33 | 1.419 | 106.372 | 383047 | 19133 | 87.258 | 0.128 | 0.1255 | 0.1751 | 25.715 |
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] | |
1.04 | 2.665 | -3.705 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.912 |
r_dihedral_angle_other_3_deg | 30.531 |
r_dihedral_angle_4_deg | 15.71 |
r_dihedral_angle_3_deg | 13.745 |
r_lrange_it | 5.396 |
r_dihedral_angle_1_deg | 4.856 |
r_lrange_other | 4.683 |
r_scangle_it | 3.961 |
r_scangle_other | 3.961 |
r_scbond_it | 3.3 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 14448 |
Nucleic Acid Atoms | |
Solvent Atoms | 3208 |
Heterogen Atoms | 841 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
Aimless | data scaling |
autoPROC | data scaling |
STARANISO | data scaling |
PHASER | phasing |
Coot | model building |