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Open data
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Basic information
Entry | Database: PDB / ID: 8b4n | ||||||
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Title | X-ray structure of phycoerythrin from Porphyridium cruentum | ||||||
![]() | (B-phycoerythrin ...) x 2 | ||||||
![]() | PHOTOSYNTHESIS / Microalgae / chromophore / red algae / Porphyridium cruentum | ||||||
Function / homology | ![]() | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Merlino, A. / Ferraro, G. | ||||||
Funding support | 1items
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![]() | ![]() Title: Inside out Porphyridium cruentum : Beyond the Conventional Biorefinery Concept. Authors: Liberti, D. / Imbimbo, P. / Giustino, E. / D'Elia, L. / Ferraro, G. / Casillo, A. / Illiano, A. / Pinto, G. / Di Meo, M.C. / Alvarez-Rivera, G. / Corsaro, M.M. / Amoresano, A. / Zarrelli, A. ...Authors: Liberti, D. / Imbimbo, P. / Giustino, E. / D'Elia, L. / Ferraro, G. / Casillo, A. / Illiano, A. / Pinto, G. / Di Meo, M.C. / Alvarez-Rivera, G. / Corsaro, M.M. / Amoresano, A. / Zarrelli, A. / Ibanez, E. / Merlino, A. / Monti, D.M. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 167.9 KB | Display | ![]() |
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PDB format | ![]() | Display | ![]() | |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 4 MB | Display | ![]() |
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Full document | ![]() | 4 MB | Display | |
Data in XML | ![]() | 19.4 KB | Display | |
Data in CIF | ![]() | 28.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3v58S S: Starting model for refinement |
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Similar structure data | Similarity search - Function & homology ![]() |
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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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Components
-B-phycoerythrin ... , 2 types, 6 molecules AAACCCBBBBbBDDDDbD
#1: Protein | Mass: 17824.029 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() #2: Protein | Mass: 18570.156 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Source: (natural) ![]() |
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-Non-polymers , 4 types, 338 molecules ![](data/chem/img/PEB.gif)
![](data/chem/img/SO4.gif)
![](data/chem/img/MEN.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/SO4.gif)
![](data/chem/img/MEN.gif)
![](data/chem/img/HOH.gif)
#3: Chemical | ChemComp-PEB / #4: Chemical | #5: Chemical | #6: Water | ChemComp-HOH / | |
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-Details
Has ligand of interest | Y |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop Details: PE crystals were grown by hanging drop vapor diffusion method (Russo Krauss et al., 2013) using a drop containing 10 mg/mL PE in 0.250 M ammonium sulphate, 25.0 mM potassium phosphate at pH ...Details: PE crystals were grown by hanging drop vapor diffusion method (Russo Krauss et al., 2013) using a drop containing 10 mg/mL PE in 0.250 M ammonium sulphate, 25.0 mM potassium phosphate at pH 5.0, equilibrated with a reservoir containing 0.500 M ammonium sulphate, 50.0 mM potassium phosphate at pH 5.0. PH range: 5 |
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-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Mar 4, 2022 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 1.597→46.648 Å / Num. obs: 100909 / % possible obs: 99 % / Redundancy: 9.2 % / CC1/2: 0.997 / Rmerge(I) obs: 0.101 / Rpim(I) all: 0.035 / Rrim(I) all: 0.107 / Net I/σ(I): 12.9 |
Reflection shell | Resolution: 1.597→1.625 Å / Redundancy: 9 % / Rmerge(I) obs: 1.028 / Mean I/σ(I) obs: 2.2 / Num. unique obs: 44973 / CC1/2: 0.595 / Rpim(I) all: 0.36 / Rrim(I) all: 0.999 / % possible all: 98.3 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 3V58 Resolution: 1.6→46.648 Å / Cor.coef. Fo:Fc: 0.941 / Cor.coef. Fo:Fc free: 0.923 / SU B: 2.264 / SU ML: 0.08 / Cross valid method: FREE R-VALUE / ESU R: 0.105 / ESU R Free: 0.105 Details: Hydrogens have been added in their riding positions
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK BULK SOLVENT | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 23.932 Å2
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Refinement step | Cycle: LAST / Resolution: 1.6→46.648 Å
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Refine LS restraints |
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LS refinement shell |
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