+Open data
-Basic information
Entry | Database: PDB / ID: 8z8z | ||||||
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Title | Cryo-EM structure of LYCHOS | ||||||
Components | Lysosomal cholesterol signaling protein,Fluorescent Protein | ||||||
Keywords | MEMBRANE PROTEIN / Lysosome / GPCR-like / Transporter / Cholesterol | ||||||
Function / homology | Function and homology information cellular response to cholesterol / cholesterol binding / negative regulation of BMP signaling pathway / positive regulation of TORC1 signaling / cellular response to amino acid starvation / transmembrane transport / cognition / intracellular signal transduction / lysosomal membrane / extracellular exosome Similarity search - Function | ||||||
Biological species | Homo sapiens (human) synthetic construct (others) | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.11 Å | ||||||
Authors | Xiong, Q. / Zhu, Z. / Li, T. / Zhou, Z. / Chao, Y. / Qu, Q. / Li, D. | ||||||
Funding support | China, 1items
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Citation | Journal: To Be Published Title: Molecular Architecture of Human LYCHOS Involved in Lysosomal Cholesterol Signaling Authors: Xiong, Q. / Zhu, Z. / Li, T. / Zhou, Z. / Chao, Y. / Qu, Q. / Li, D. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 8z8z.cif.gz | 245.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb8z8z.ent.gz | Display | PDB format | |
PDBx/mmJSON format | 8z8z.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 8z8z_validation.pdf.gz | 1.7 MB | Display | wwPDB validaton report |
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Full document | 8z8z_full_validation.pdf.gz | 1.8 MB | Display | |
Data in XML | 8z8z_validation.xml.gz | 63.1 KB | Display | |
Data in CIF | 8z8z_validation.cif.gz | 86.3 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/z8/8z8z ftp://data.pdbj.org/pub/pdb/validation_reports/z8/8z8z | HTTPS FTP |
-Related structure data
Related structure data | 39851MC M: map data used to model this data 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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-Components
-Protein / Sugars , 2 types, 4 molecules AB
#1: Protein | Mass: 127213.109 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Details: The protein is a fusion protein with expression tag. Residues 1-3 is the initial methionine and GS linker. Residues 4-873 is LYCHOS (uniport ID Q7Z3F1). Residues 874-889 is the linker with a ...Details: The protein is a fusion protein with expression tag. Residues 1-3 is the initial methionine and GS linker. Residues 4-873 is LYCHOS (uniport ID Q7Z3F1). Residues 874-889 is the linker with a 3 C protease digestion site. Residues 890-1114 is a thermostable green fluorescent protein fusion (PDB entry 4TZA, residue 5-229). Residues 1115-1144 is the linker with an expression tag Source: (gene. exp.) Homo sapiens (human), (gene. exp.) synthetic construct (others) Gene: GPR155, PGR22 / Production host: Homo sapiens (human) / References: UniProt: Q7Z3F1 #2: Sugar | |
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-Non-polymers , 6 types, 16 molecules
#3: Chemical | ChemComp-6OU / [( #4: Chemical | #5: Chemical | Mass: 764.023 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C43H74NO8P / Feature type: SUBJECT OF INVESTIGATION #6: Chemical | #7: Chemical | #8: Water | ChemComp-HOH / | |
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-Details
Has ligand of interest | Y |
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Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-Sample preparation
Component | Name: LYCHOS / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT | |||||||||||||||||||||||||
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Molecular weight | Value: 0.127 MDa / Experimental value: NO | |||||||||||||||||||||||||
Source (natural) |
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Source (recombinant) | Organism: Homo sapiens (human) | |||||||||||||||||||||||||
Buffer solution | pH: 8 Details: 0.001 % LMNG, 150 mM NaCl, 0.2 mM TECP, 50 mM Tris HCl pH 8.0 | |||||||||||||||||||||||||
Buffer component |
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Specimen | Conc.: 9 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | |||||||||||||||||||||||||
Specimen support | Grid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R1.2/1.3 | |||||||||||||||||||||||||
Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277.15 K |
-Electron microscopy imaging
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 1500 nm |
Image recording | Electron dose: 50 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k) |
-Processing
CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
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Symmetry | Point symmetry: C2 (2 fold cyclic) | ||||||||||||||||||||||||
3D reconstruction | Resolution: 2.11 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 355557 / Symmetry type: POINT | ||||||||||||||||||||||||
Atomic model building | Space: REAL | ||||||||||||||||||||||||
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