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- PDB-3o2c: Crystal structure of a rod form of c-phycocyanin from Themosynech... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3o2c | ||||||
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Title | Crystal structure of a rod form of c-phycocyanin from Themosynechococcus vulcanus at 1.5 angstroms | ||||||
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![]() | PHOTOSYNTHESIS / Phycobilisome / Cyanobacteria / Light Harvesting | ||||||
Function / homology | ![]() phycobilisome / plasma membrane-derived thylakoid membrane / photosynthesis Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() ![]() | ||||||
![]() | David, L. / Marx, A. / Adir, N. | ||||||
![]() | ![]() Title: High-resolution crystal structures of trimeric and rod phycocyanin. Authors: David, L. / Marx, A. / Adir, N. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 85 KB | Display | ![]() |
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PDB format | ![]() | 68.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.3 MB | Display | ![]() |
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Full document | ![]() | 1.3 MB | Display | |
Data in XML | ![]() | 22.8 KB | Display | |
Data in CIF | ![]() | 32.6 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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Unit cell |
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Details | Authors state that phycocyanin forms hexamers which elongate into rod structures, a subcomponent of a large complex called the phycobilisome. |
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Components
#1: Protein | Mass: 17470.656 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() | ||
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#2: Protein | Mass: 18216.652 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() | ||
#3: Chemical | #4: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.85 Å3/Da / Density % sol: 56.86 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7 Details: 1.2M phosphate, pH 7, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
-Data collection
Diffraction source | Source: ![]() ![]() ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.9795 Å / Relative weight: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 1.5→93.735 Å / Num. all: 63473 / Num. obs: 63473 / % possible obs: 98.8 % / Redundancy: 3.8 % / Rsym value: 0.019 / Net I/σ(I): 71.9 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell |
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-Phasing
Phasing | Method: ![]() | |||||||||
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Phasing MR | Rfactor: 35.9 / Model details: Phaser MODE: MR_AUTO
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Processing
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Refinement | Method to determine structure: ![]() Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK | ||||||||||||||||||||||||
Displacement parameters | Biso max: 73.4 Å2 / Biso mean: 20.6126 Å2 / Biso min: 7.92 Å2
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Refine analyze | Luzzati coordinate error obs: 0.32 Å / Luzzati d res low obs: 5 Å / Luzzati sigma a obs: 0.38 Å | ||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.5→26 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.5→1.539 Å / Total num. of bins used: 20
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