4YJJ
Crystal structure of Phycocyanin from marine cyanobacterium Phormidium rubidum sp. A09DM
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 293 | 18.5% PEG 3350, 0.1 M sodium citrate buffer pH 6.0 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.32 | 47.06 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 102.354 | α = 90 |
b = 102.354 | β = 90 |
c = 109.021 | γ = 120 |
Symmetry | |
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Space Group | P 63 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | AGILENT TITAN CCD | 2013-09-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SEALED TUBE | OTHER | 1.54056 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 2.7 | 19.34 | 99.7 | 0.132 | 0.058 | 0.99 | 12 | 6.1 | 17802 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 2.7 | 2.83 | 100 | 0.421 | 0.238 | 0.822 | 3.3 | 4 | 2372 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 2.7 | 18 | 16878 | 908 | 99.45 | 0.21 | 0.2075 | 0.2579 | RANDOM | 24.681 |
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] | |
-0.92 | -0.92 | -0.92 | 2.98 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.342 |
r_dihedral_angle_4_deg | 20.988 |
r_dihedral_angle_3_deg | 16.425 |
r_dihedral_angle_1_deg | 5.147 |
r_angle_refined_deg | 2.083 |
r_angle_other_deg | 1.073 |
r_chiral_restr | 0.069 |
r_gen_planes_other | 0.013 |
r_bond_refined_d | 0.011 |
r_gen_planes_refined | 0.009 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4940 |
Nucleic Acid Atoms | |
Solvent Atoms | 98 |
Heterogen Atoms | 258 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
Aimless | data scaling |
MOLREP | phasing |
PDB_EXTRACT | data extraction |
Aimless | data reduction |