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- PDB-7u55: Crystal structure of Thermoplasmatales archaeon heliorhodopsin at... -
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Open data
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Basic information
Entry | Database: PDB / ID: 7u55 | ||||||
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Title | Crystal structure of Thermoplasmatales archaeon heliorhodopsin at pH 4.5 | ||||||
![]() | Heliorhodopsin | ||||||
![]() | MEMBRANE PROTEIN / microbial rhodopsin / retinal protein / heliorhodopsin / seven transmembrane protein | ||||||
Function / homology | Heliorhodopsin / Heliorhodopsin / identical protein binding / membrane / DODECANE / RETINAL / Heliorhodopsin HeR![]() | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Besaw, J.E. / De Guzman, P. / Miller, R.J.D. / Ernst, O.P. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Low pH structure of heliorhodopsin reveals chloride binding site and intramolecular signaling pathway. Authors: Besaw, J.E. / Reichenwallner, J. / De Guzman, P. / Tucs, A. / Kuo, A. / Morizumi, T. / Tsuda, K. / Sljoka, A. / Miller, R.J.D. / Ernst, O.P. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 73.3 KB | Display | ![]() |
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PDB format | ![]() | 47.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 6is6S 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
#1: Protein | Mass: 29886.301 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Gene: AYK20_03510 / Production host: ![]() ![]() | ||||||
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#2: Chemical | ChemComp-RET / | ||||||
#3: Chemical | #4: Chemical | ChemComp-D12 / | #5: Water | ChemComp-HOH / | Has ligand of interest | N | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.04 Å3/Da / Density % sol: 39.82 % / Description: Diamond |
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Crystal grow | Temperature: 307.15 K / Method: vapor diffusion, hanging drop / pH: 4.5 Details: Bicelle crystallization with 5 mg/mL protein in 8% bicelle (2.8:1 DMPC:CHAPSO). Crystallization condition is 26% polyethylene glycol 3350, 0.1 M sodium phosphate monobasic monohydrate at pH ...Details: Bicelle crystallization with 5 mg/mL protein in 8% bicelle (2.8:1 DMPC:CHAPSO). Crystallization condition is 26% polyethylene glycol 3350, 0.1 M sodium phosphate monobasic monohydrate at pH 4.5, 0.28 M ammonium sulfate, 0.18 M 1,6-hexanediol |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Nov 9, 2019 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.033 Å / Relative weight: 1 |
Reflection | Resolution: 1.97→47.94 Å / Num. obs: 16754 / % possible obs: 94.4 % / Redundancy: 3.3 % / Biso Wilson estimate: 22.85 Å2 / CC1/2: 0.98 / Net I/σ(I): 4.3 |
Reflection shell | Resolution: 1.97→2.02 Å / Redundancy: 2.2 % / Mean I/σ(I) obs: 1.3 / Num. unique obs: 1100 / CC1/2: 0.72 / % possible all: 89.2 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 6is6 Resolution: 1.97→47.94 Å / SU ML: 0.1674 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 20.3999 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 28.56 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.97→47.94 Å
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Refine LS restraints |
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LS refinement shell |
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