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Yorodumi- PDB-8w4b: The sigma-1 receptor from Xenopus laevis in complex with progeste... -
+Open data
-Basic information
Entry | Database: PDB / ID: 8w4b | ||||||
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Title | The sigma-1 receptor from Xenopus laevis in complex with progesterone by co-crystallization | ||||||
Components | Sigma non-opioid intracellular receptor 1 | ||||||
Keywords | MEMBRANE PROTEIN / sigma receptor / S1R / endogenous ligand / neurosteroid / P4 | ||||||
Function / homology | Function and homology information ergosterol biosynthetic process / nuclear outer membrane / nuclear inner membrane / lipid transport / cytoplasmic vesicle / endoplasmic reticulum membrane / membrane Similarity search - Function | ||||||
Biological species | Xenopus laevis (African clawed frog) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.152 Å | ||||||
Authors | Xiao, Y. / Fu, C. / Sun, Z. / Zhou, X. | ||||||
Funding support | China, 1items
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Citation | Journal: Nat Commun / Year: 2024 Title: Insight into binding of endogenous neurosteroid ligands to the sigma-1 receptor. Authors: Fu, C. / Xiao, Y. / Zhou, X. / Sun, Z. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 8w4b.cif.gz | 105.9 KB | Display | PDBx/mmCIF format |
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PDB format | pdb8w4b.ent.gz | 81 KB | Display | PDB format |
PDBx/mmJSON format | 8w4b.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 8w4b_validation.pdf.gz | 715.3 KB | Display | wwPDB validaton report |
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Full document | 8w4b_full_validation.pdf.gz | 716.2 KB | Display | |
Data in XML | 8w4b_validation.xml.gz | 10.9 KB | Display | |
Data in CIF | 8w4b_validation.cif.gz | 14.4 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/w4/8w4b ftp://data.pdbj.org/pub/pdb/validation_reports/w4/8w4b | HTTPS FTP |
-Related structure data
Related structure data | 8w4cC 8w4dC 8w4eC 8wueC 8wwbC 8ybbC C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 25720.322 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Xenopus laevis (African clawed frog) / Gene: sigmar1 / Production host: Komagataella pastoris (fungus) / References: UniProt: Q6DCU6 |
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#2: Chemical | ChemComp-STR / |
#3: Water | ChemComp-HOH / |
Has ligand of interest | Y |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 3.39 Å3/Da / Density % sol: 63.75 % |
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Crystal grow | Temperature: 293.15 K / Method: vapor diffusion, sitting drop / pH: 5.5 Details: 0.32M LiCl, 0.1M Na+-citrate pH 5.5, 12% PEG 4000, 10% glycerol, 15mM Na+-cholate, 1mM progesterone |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: SSRF / Beamline: BL19U1 / Wavelength: 0.97853 Å |
Detector | Type: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Jul 3, 2023 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97853 Å / Relative weight: 1 |
Reflection | Resolution: 2.105→43.081 Å / Num. obs: 20044 / % possible obs: 95.5 % / Redundancy: 23 % / Rmerge(I) obs: 0.126 / Rpim(I) all: 0.027 / Rrim(I) all: 0.129 / Net I/σ(I): 14.6 / Num. measured all: 460385 |
Reflection shell | Resolution: 2.105→2.148 Å / % possible obs: 83.4 % / Redundancy: 18.4 % / Rmerge(I) obs: 2.747 / Num. measured all: 17995 / Num. unique obs: 980 / Rpim(I) all: 0.656 / Rrim(I) all: 2.825 / Net I/σ(I) obs: 1.1 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.152→32.904 Å / SU ML: 0.26 / Cross valid method: THROUGHOUT / σ(F): 1.34 / Phase error: 23.55 / Stereochemistry target values: ML
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.152→32.904 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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