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Open data
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Basic information
Entry | Database: PDB / ID: 8j6f | ||||||
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Title | Cryo-EM structure of the Tocilizumab Fab/IL-6R complex | ||||||
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![]() | IMMUNE SYSTEM / antibody / IL-6R / structural protein | ||||||
Function / homology | ![]() ciliary neurotrophic factor binding / hepatic immune response / interleukin-11 receptor activity / interleukin-11 binding / interleukin-6 receptor activity / interleukin-6 binding / ciliary neurotrophic factor-mediated signaling pathway / ciliary neurotrophic factor receptor complex / interleukin-6 receptor complex / negative regulation of collagen biosynthetic process ...ciliary neurotrophic factor binding / hepatic immune response / interleukin-11 receptor activity / interleukin-11 binding / interleukin-6 receptor activity / interleukin-6 binding / ciliary neurotrophic factor-mediated signaling pathway / ciliary neurotrophic factor receptor complex / interleukin-6 receptor complex / negative regulation of collagen biosynthetic process / positive regulation of activation of Janus kinase activity / T-helper 17 cell lineage commitment / positive regulation of glomerular mesangial cell proliferation / endocrine pancreas development / negative regulation of interleukin-8 production / vascular endothelial growth factor production / neutrophil mediated immunity / positive regulation of leukocyte chemotaxis / cytokine receptor activity / interleukin-6-mediated signaling pathway / Interleukin-6 signaling / MAPK3 (ERK1) activation / MAPK1 (ERK2) activation / monocyte chemotaxis / positive regulation of osteoblast differentiation / extrinsic apoptotic signaling pathway / positive regulation of chemokine production / positive regulation of tyrosine phosphorylation of STAT protein / response to cytokine / acute-phase response / positive regulation of smooth muscle cell proliferation / cytokine-mediated signaling pathway / Transcriptional regulation of granulopoiesis / positive regulation of interleukin-6 production / positive regulation of peptidyl-tyrosine phosphorylation / Interleukin-4 and Interleukin-13 signaling / defense response to Gram-negative bacterium / Potential therapeutics for SARS / positive regulation of MAPK cascade / receptor complex / defense response to Gram-positive bacterium / apical plasma membrane / external side of plasma membrane / positive regulation of cell population proliferation / enzyme binding / protein homodimerization activity / extracellular space / extracellular region / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.3 Å | ||||||
![]() | She, J. / Chen, L. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Cryo-EM structures of tocilizumab and sarilumab Fabs in complex with IL-6R Authors: She, J. / Wang, M.X. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 117.4 KB | Display | ![]() |
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PDB format | ![]() | 83.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1 MB | Display | ![]() |
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Full document | ![]() | 1.1 MB | Display | |
Data in XML | ![]() | 29.9 KB | Display | |
Data in CIF | ![]() | 40.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 36003MC M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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1 |
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Components
#1: Antibody | Mass: 24125.080 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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#2: Antibody | Mass: 23527.078 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
#3: Protein | Mass: 40283.441 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
#4: Protein/peptide | Mass: 1148.355 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
#5: Sugar | ChemComp-NAG / |
Has ligand of interest | N |
-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: the tocilizumab Fab/IL-6R complex / Type: COMPLEX / Entity ID: #1-#4 / Source: RECOMBINANT |
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Source (natural) | Organism: ![]() |
Source (recombinant) | Organism: ![]() |
Buffer solution | pH: 8 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
Microscopy | Model: FEI TITAN |
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Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2700 nm / Nominal defocus min: 1400 nm |
Image recording | Electron dose: 55 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
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Processing
Software | Name: PHENIX / Version: 1.18.2_3874: / Classification: 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: 351599 / Symmetry type: POINT | ||||||||||||||||||||||||
Refine LS restraints |
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