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- PDB-8zui: Binary cluster of TNF-TNFR1 ectodomain complex -

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Basic information

Entry
Database: PDB / ID: 8zui
TitleBinary cluster of TNF-TNFR1 ectodomain complex
Components
  • Tumor necrosis factor
  • Tumor necrosis factor receptor superfamily member 1A, membrane form
KeywordsIMMUNE SYSTEM / TNF receptor / Receptor / Receptor cluster
Function / homology
Function and homology information


: / tumor necrosis factor receptor superfamily complex / pulmonary valve development / response to Gram-negative bacterium / negative regulation of L-glutamate import across plasma membrane / negative regulation of bile acid secretion / positive regulation of neutrophil activation / negative regulation of branching involved in lung morphogenesis / positive regulation of interleukin-33 production / positive regulation of fractalkine production ...: / tumor necrosis factor receptor superfamily complex / pulmonary valve development / response to Gram-negative bacterium / negative regulation of L-glutamate import across plasma membrane / negative regulation of bile acid secretion / positive regulation of neutrophil activation / negative regulation of branching involved in lung morphogenesis / positive regulation of interleukin-33 production / positive regulation of fractalkine production / positive regulation of blood microparticle formation / aortic valve development / positive regulation of chronic inflammatory response to antigenic stimulus / negative regulation of extracellular matrix constituent secretion / tumor necrosis factor receptor activity / response to 3,3',5-triiodo-L-thyronine / positive regulation of leukocyte adhesion to arterial endothelial cell / positive regulation of protein transport / positive regulation of vitamin D biosynthetic process / positive regulation of apoptotic process involved in morphogenesis / positive regulation of translational initiation by iron / : / chronic inflammatory response to antigenic stimulus / regulation of endothelial cell apoptotic process / response to macrophage colony-stimulating factor / regulation of branching involved in salivary gland morphogenesis / negative regulation of protein-containing complex disassembly / positive regulation of humoral immune response mediated by circulating immunoglobulin / response to gold nanoparticle / negative regulation of myelination / TNFs bind their physiological receptors / positive regulation of JUN kinase activity / tumor necrosis factor binding / negative regulation of vascular wound healing / negative regulation of cytokine production involved in immune response / negative regulation of amyloid-beta clearance / positive regulation of hair follicle development / negative regulation of cardiac muscle hypertrophy / death receptor agonist activity / inflammatory response to wounding / positive regulation of action potential / positive regulation of interleukin-18 production / TNF signaling / epithelial cell proliferation involved in salivary gland morphogenesis / toll-like receptor 3 signaling pathway / vascular endothelial growth factor production / negative regulation of D-glucose import across plasma membrane / leukocyte migration involved in inflammatory response / embryonic digestive tract development / positive regulation of fever generation / response to fructose / positive regulation of synoviocyte proliferation / positive regulation of calcineurin-NFAT signaling cascade / necroptotic signaling pathway / leukocyte tethering or rolling / positive regulation of mononuclear cell migration / positive regulation of hepatocyte proliferation / negative regulation of myoblast differentiation / regulation of establishment of endothelial barrier / endothelial cell apoptotic process / regulation of metabolic process / negative regulation of oxidative phosphorylation / positive regulation of protein-containing complex disassembly / positive regulation of protein localization to cell surface / regulation of tumor necrosis factor-mediated signaling pathway / positive regulation of osteoclast differentiation / cellular response to toxic substance / positive regulation of heterotypic cell-cell adhesion / macrophage activation involved in immune response / tumor necrosis factor receptor binding / negative regulation of systemic arterial blood pressure / positive regulation of macrophage derived foam cell differentiation / positive regulation of cytokine production involved in inflammatory response / negative regulation of mitotic cell cycle / regulation of immunoglobulin production / positive regulation of podosome assembly / positive regulation of chemokine (C-X-C motif) ligand 2 production / regulation of fat cell differentiation / positive regulation of programmed cell death / positive regulation of membrane protein ectodomain proteolysis / regulation of canonical NF-kappaB signal transduction / response to L-glutamate / positive regulation of leukocyte adhesion to vascular endothelial cell / positive regulation of neuroinflammatory response / positive regulation of extrinsic apoptotic signaling pathway / TNFR1-induced proapoptotic signaling / TNFR1-mediated ceramide production / positive regulation of DNA biosynthetic process / regulation of reactive oxygen species metabolic process / prostaglandin metabolic process / negative regulation of heart rate / positive regulation of amyloid-beta formation / negative regulation of viral genome replication / negative regulation of bicellular tight junction assembly / positive regulation of lipid metabolic process / response to isolation stress / negative regulation of fat cell differentiation / regulation of synapse organization / negative regulation of endothelial cell proliferation / Interleukin-10 signaling
Similarity search - Function
Tumour necrosis factor receptor 1A / Tumor necrosis factor receptor 1A, N-terminal / Tumor necrosis factor receptor 1A, death domain / : / Tumour necrosis factor alpha / Tumour necrosis factor / Tumour necrosis factor, conserved site / Tumor necrosis factor (TNF) homology domain (THD) signature. / Tumour necrosis factor family. / TNFR/NGFR family cysteine-rich region domain profile. ...Tumour necrosis factor receptor 1A / Tumor necrosis factor receptor 1A, N-terminal / Tumor necrosis factor receptor 1A, death domain / : / Tumour necrosis factor alpha / Tumour necrosis factor / Tumour necrosis factor, conserved site / Tumor necrosis factor (TNF) homology domain (THD) signature. / Tumour necrosis factor family. / TNFR/NGFR family cysteine-rich region domain profile. / TNFR/NGFR cysteine-rich region / TNF(Tumour Necrosis Factor) family / TNFR/NGFR family cysteine-rich region signature. / Tumor necrosis factor receptor / nerve growth factor receptor repeats. / TNFR/NGFR cysteine-rich region / Tumour necrosis factor domain / Tumor necrosis factor (TNF) homology domain (THD) profile. / Tumour necrosis factor-like domain superfamily / Death domain profile. / DEATH domain, found in proteins involved in cell death (apoptosis). / Death domain / Death domain / Death-like domain superfamily
Similarity search - Domain/homology
Tumor necrosis factor / Tumor necrosis factor receptor superfamily member 1A
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.56 Å
AuthorsLim, C.S. / Lee, J.O.
Funding support Korea, Republic Of, 1items
OrganizationGrant numberCountry
Other government Korea, Republic Of
CitationJournal: Nat Commun / Year: 2025
Title: Highly ordered clustering of TNFα and BAFF ligand-receptor-intracellular adaptor complexes on a lipid membrane.
Authors: Chan Seok Lim / Jisun Lee / Ji Won Kim / Jie-Oh Lee /
Abstract: The TNF family plays a critical role in immune regulation. Here, we present high-resolution structures of clusters formed by two TNF receptor family proteins, TNFR1 and BAFFR. Using a lipid monolayer ...The TNF family plays a critical role in immune regulation. Here, we present high-resolution structures of clusters formed by two TNF receptor family proteins, TNFR1 and BAFFR. Using a lipid monolayer method to mimic their membrane-bound state, we observe that the TNFα-TNFR1 complex forms highly ordered clusters of trimers on the lipid membrane. A non-competitive TNFR1 antagonist that inhibits receptor activation disrupted these clusters without blocking ligand binding or receptor trimerization. Furthermore, we find that the BAFF-BAFFR, BAFF-TACI, and BAFF-BCMA receptor-ligand complexes predominantly form pentagonal clusters of trimers on the lipid membrane. Notably, the binding of the intracellular adaptor TRAF3 to the BAFF-BAFFR complex induces a structural transition from a pentagonal to a flat hexagonal cluster. Mutations in BAFF that impair BAFFR activation prevented cluster formation. Our findings demonstrate that ligand binding induces the formation of highly ordered clusters of TNFR1 and BAFFR receptors on the lipid membrane, which is essential for their activation.
History
DepositionJun 9, 2024Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jun 11, 2025Provider: repository / Type: Initial release
Revision 1.0Jun 11, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Jun 11, 2025Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Jun 11, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jun 11, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jun 11, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Jun 11, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release
Revision 1.1Jul 9, 2025Group: Data collection / Database references / Category: citation / citation_author / em_admin
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Tumor necrosis factor
B: Tumor necrosis factor
C: Tumor necrosis factor
D: Tumor necrosis factor receptor superfamily member 1A, membrane form
E: Tumor necrosis factor receptor superfamily member 1A, membrane form
F: Tumor necrosis factor receptor superfamily member 1A, membrane form
G: Tumor necrosis factor
H: Tumor necrosis factor
I: Tumor necrosis factor
J: Tumor necrosis factor receptor superfamily member 1A, membrane form
K: Tumor necrosis factor receptor superfamily member 1A, membrane form
L: Tumor necrosis factor receptor superfamily member 1A, membrane form


Theoretical massNumber of molelcules
Total (without water)246,27812
Polymers246,27812
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

#1: Protein
Tumor necrosis factor / Cachectin / TNF-alpha / Tumor necrosis factor ligand superfamily member 2 / TNF-a


Mass: 18855.344 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Details: TNF ligand / Source: (gene. exp.) Homo sapiens (human) / Gene: TNF, TNFA, TNFSF2 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P01375
#2: Protein
Tumor necrosis factor receptor superfamily member 1A, membrane form


Mass: 22190.912 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: TNFRSF1A, TNFAR, TNFR1 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P19438
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Binary cluster of TNF-TNFR1 ectodomain 3:3 complex / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Trichoplusia ni (cabbage looper)
Buffer solutionpH: 7.8
Buffer component
IDConc.NameFormulaBuffer-ID
120 mMTrisC4H11NO31
2150 mMSodium chlorideNaCl1
SpecimenConc.: 0.1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 293 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 800 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C2 (2 fold cyclic)
3D reconstructionResolution: 2.56 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 1800466 / Symmetry type: POINT
Atomic model buildingProtocol: RIGID BODY FIT
Atomic model building
IDPDB-ID 3D fitting-IDAccession codeInitial refinement model-IDSource nameType
17KP7

7kp7

17KP71PDBexperimental model
27KPB

7kpb

17KPB2PDBexperimental model
RefinementCross valid method: NONE

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