+Open data
-Basic information
Entry | Database: PDB / ID: 6t9r | ||||||
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Title | Aplysia californica AChBP in complex with a cytisine derivative | ||||||
Components | Acetylcholine binding protein | ||||||
Keywords | HYDROLASE / Acetylcholine binding protein / nicotinic receptor surrogate | ||||||
Function / homology | Function and homology information extracellular ligand-gated monoatomic ion channel activity / transmembrane signaling receptor activity / membrane / identical protein binding / metal ion binding Similarity search - Function | ||||||
Biological species | Aplysia californica (California sea hare) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.72 Å | ||||||
Authors | Davis, S. / Hunter, W.N. | ||||||
Funding support | United Kingdom, 1items
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Citation | Journal: Acta Crystallogr.,Sect.F / Year: 2020 Title: The thermodynamic profile and molecular interactions of a C(9)-cytisine derivative-binding acetylcholine-binding protein from Aplysia californica. Authors: Davis, S. / Rego Campello, H. / Gallagher, T. / Hunter, W.N. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 6t9r.cif.gz | 879.9 KB | Display | PDBx/mmCIF format |
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PDB format | pdb6t9r.ent.gz | Display | PDB format | |
PDBx/mmJSON format | 6t9r.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/t9/6t9r ftp://data.pdbj.org/pub/pdb/validation_reports/t9/6t9r | HTTPS FTP |
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-Related structure data
Related structure data | 6qkkS S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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2 |
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Unit cell |
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Components on special symmetry positions |
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-Components
-Protein / Sugars , 2 types, 20 molecules AAABBBCCCDDDEEEFFFGGGHHHIIIJJJ
#1: Protein | Mass: 28326.750 Da / Num. of mol.: 10 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Aplysia californica (California sea hare) Plasmid: pFastBac 1 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: Q8WSF8 #3: Sugar | ChemComp-NAG / |
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-Non-polymers , 6 types, 2980 molecules
#2: Chemical | ChemComp-MXQ / ( #4: Chemical | ChemComp-GOL / #5: Chemical | ChemComp-PO4 / #6: Chemical | ChemComp-CL / #7: Chemical | ChemComp-K / #8: Water | ChemComp-HOH / | |
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-Details
Has ligand of interest | Y |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 3.14 Å3/Da / Density % sol: 60.87 % / Description: Block |
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Crystal grow | Temperature: 295.15 K / Method: vapor diffusion, hanging drop / pH: 7 Details: Starting protein concentration 12.5 mg/ml + 6 mM ligand BS82. Crystallised as hanging drops, the drop containing 1.5 ul protein, 0.2 ul reservoir (0.8 M NaH2PO4, 0.8 M KH2PO4, 10% glycerol, ...Details: Starting protein concentration 12.5 mg/ml + 6 mM ligand BS82. Crystallised as hanging drops, the drop containing 1.5 ul protein, 0.2 ul reservoir (0.8 M NaH2PO4, 0.8 M KH2PO4, 10% glycerol, 0.1 M HEPES pH 7.0) and 0.3 ul microseeds from cytisine bound AChBP crystals (grown as sitting drops in 0.8 M NaH2PO4, 0.8 M KH2PO4, 0.1 M HEPES pH 7.5). |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: Diamond / Beamline: I03 / Wavelength: 0.976 Å |
Detector | Type: DECTRIS EIGER2 X 16M / Detector: PIXEL / Date: Aug 4, 2019 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.976 Å / Relative weight: 1 |
Reflection | Resolution: 1.72→127.97 Å / Num. obs: 353432 / % possible obs: 95.5 % / Redundancy: 3.5 % / Biso Wilson estimate: 25.07 Å2 / CC1/2: 0.993 / Rmerge(I) obs: 0.07 / Rpim(I) all: 0.064 / Rrim(I) all: 0.095 / Χ2: 0.89 / Net I/σ(I): 7.6 |
Reflection shell | Resolution: 1.72→1.75 Å / Redundancy: 2.1 % / Rmerge(I) obs: 0.82 / Mean I/σ(I) obs: 0.6 / Num. unique obs: 12162 / CC1/2: 0.435 / Rpim(I) all: 0.787 / Rrim(I) all: 1.138 / Χ2: 0.77 / % possible all: 66.6 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 6QKK Resolution: 1.72→111.666 Å / Cor.coef. Fo:Fc: 0.975 / Cor.coef. Fo:Fc free: 0.964 / WRfactor Rfree: 0.192 / WRfactor Rwork: 0.161 / Average fsc free: 0.8746 / Average fsc work: 0.8824 / Cross valid method: THROUGHOUT / ESU R: 0.082 / ESU R Free: 0.085 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: 30.393 Å2
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Refinement step | Cycle: LAST / Resolution: 1.72→111.666 Å
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Refine LS restraints |
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LS refinement shell |
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