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Open data
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Basic information
| Entry | Database: PDB / ID: 8ket | ||||||||||||||||||||||||||||||||||||||||||
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| Title | Cryo-EM structure of HRD1-SEL1LFL-XTP3B complex | ||||||||||||||||||||||||||||||||||||||||||
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Keywords | ALLERGEN / ERAD / protein degradation | ||||||||||||||||||||||||||||||||||||||||||
| Function / homology | Function and homology informationnegative regulation of retrograde protein transport, ER to cytosol / Hrd1p ubiquitin ligase complex / endoplasmic reticulum mannose trimming / Hrd1p ubiquitin ligase ERAD-L complex / endoplasmic reticulum quality control compartment / Pre-NOTCH Processing in Golgi / XBP1(S) activates chaperone genes / immature B cell differentiation / Derlin-1 retrotranslocation complex / triglyceride metabolic process ...negative regulation of retrograde protein transport, ER to cytosol / Hrd1p ubiquitin ligase complex / endoplasmic reticulum mannose trimming / Hrd1p ubiquitin ligase ERAD-L complex / endoplasmic reticulum quality control compartment / Pre-NOTCH Processing in Golgi / XBP1(S) activates chaperone genes / immature B cell differentiation / Derlin-1 retrotranslocation complex / triglyceride metabolic process / retrograde protein transport, ER to cytosol / ubiquitin-specific protease binding / smooth endoplasmic reticulum / protein secretion / protein K48-linked ubiquitination / negative regulation of endoplasmic reticulum stress-induced intrinsic apoptotic signaling pathway / endoplasmic reticulum unfolded protein response / Notch signaling pathway / ERAD pathway / ER Quality Control Compartment (ERQC) / endomembrane system / Hh mutants are degraded by ERAD / Hedgehog ligand biogenesis / Defective CFTR causes cystic fibrosis / RING-type E3 ubiquitin transferase / ABC-family proteins mediated transport / ubiquitin protein ligase activity / unfolded protein binding / protein-folding chaperone binding / ATPase binding / ubiquitin-dependent protein catabolic process / DNA-binding transcription factor binding / proteasome-mediated ubiquitin-dependent protein catabolic process / protein stabilization / protein ubiquitination / endoplasmic reticulum lumen / endoplasmic reticulum membrane / endoplasmic reticulum / zinc ion binding / nucleoplasm / membrane Similarity search - Function | ||||||||||||||||||||||||||||||||||||||||||
| Biological species | Homo sapiens (human) | ||||||||||||||||||||||||||||||||||||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.3 Å | ||||||||||||||||||||||||||||||||||||||||||
Authors | Qian, H.W. / He, J.J. | ||||||||||||||||||||||||||||||||||||||||||
| Funding support | 1items
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Citation | Journal: Nat Commun / Year: 2025Title: Structural insights into the human HRD1 ubiquitin ligase complex Authors: Guo, L. / Liu, G. / He, J. / Jia, X. / He, Y. / Wang, Z. / Qian, H. | ||||||||||||||||||||||||||||||||||||||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 8ket.cif.gz | 252.9 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb8ket.ent.gz | 174.5 KB | Display | PDB format |
| PDBx/mmJSON format | 8ket.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 8ket_validation.pdf.gz | 1.3 MB | Display | wwPDB validaton report |
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| Full document | 8ket_full_validation.pdf.gz | 1.3 MB | Display | |
| Data in XML | 8ket_validation.xml.gz | 41.2 KB | Display | |
| Data in CIF | 8ket_validation.cif.gz | 64.8 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ke/8ket ftp://data.pdbj.org/pub/pdb/validation_reports/ke/8ket | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 37167MC ![]() 8kesC ![]() 8kevC M: map data used to model this data C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
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Assembly
| Deposited unit | ![]()
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| 1 |
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Components
-Protein , 3 types, 4 molecules ABFC
| #1: Protein | Mass: 67744.586 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: SYVN1 / Cell line (production host): HEK293 / Production host: Homo sapiens (human) / References: UniProt: Q86TM6#2: Protein | | Mass: 54931.109 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: ERLEC1 / Production host: Homo sapiens (human) / References: UniProt: Q96DZ1#4: Protein | | Mass: 61170.957 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: SEL1L, TSA305, UNQ128/PRO1063 / Production host: Homo sapiens (human) / References: UniProt: Q9UBV2 |
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-Protein/peptide , 1 types, 1 molecules H
| #3: Protein/peptide | Mass: 274.274 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human) |
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-Sugars , 2 types, 5 molecules 
| #5: Polysaccharide | beta-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[beta-D- ...beta-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[beta-D-mannopyranose-(1-4)]alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose Type: oligosaccharide / Mass: 1235.105 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source |
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| #6: Sugar | ChemComp-NAG / |
-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 |
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Sample preparation
| Component | Name: Cryo-EM structure of HRD1-SEL1LFL-XTP3B complex / Type: COMPLEX / Entity ID: #1-#4 / Source: MULTIPLE SOURCES |
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| Source (natural) | Organism: Homo sapiens (human) |
| Source (recombinant) | Organism: Homo sapiens (human) |
| Buffer solution | pH: 8 |
| Specimen | Conc.: 12 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
| Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
| Experimental equipment | ![]() Model: Tecnai Polara / Image courtesy: FEI Company |
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| Microscopy | Model: FEI POLARA 300 |
| 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: GATAN K3 BIOQUANTUM (6k x 4k) |
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Processing
| EM software | Name: PHENIX / Category: model refinement | ||||||||||||||||||||||||
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| CTF correction | Type: NONE | ||||||||||||||||||||||||
| 3D reconstruction | Resolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 215524 / Symmetry type: POINT | ||||||||||||||||||||||||
| Refinement | Highest resolution: 3.3 Å Stereochemistry target values: REAL-SPACE (WEIGHTED MAP SUM AT ATOM CENTERS) | ||||||||||||||||||||||||
| Refine LS restraints |
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Homo sapiens (human)
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FIELD EMISSION GUN