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- PDB-7n00: Anaplastic lymphoma kinase (ALK) extracellular fragment of ligand... -
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Open data
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Basic information
Entry | Database: PDB / ID: 7n00 | ||||||
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Title | Anaplastic lymphoma kinase (ALK) extracellular fragment of ligand binding region 648-1025 in complex with AUG-alpha | ||||||
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Function / homology | ![]() positive regulation of ERK5 cascade / ASP-3026-resistant ALK mutants / NVP-TAE684-resistant ALK mutants / alectinib-resistant ALK mutants / brigatinib-resistant ALK mutants / ceritinib-resistant ALK mutants / crizotinib-resistant ALK mutants / lorlatinib-resistant ALK mutants / MDK and PTN in ALK signaling / receptor signaling protein tyrosine kinase activator activity ...positive regulation of ERK5 cascade / ASP-3026-resistant ALK mutants / NVP-TAE684-resistant ALK mutants / alectinib-resistant ALK mutants / brigatinib-resistant ALK mutants / ceritinib-resistant ALK mutants / crizotinib-resistant ALK mutants / lorlatinib-resistant ALK mutants / MDK and PTN in ALK signaling / receptor signaling protein tyrosine kinase activator activity / regulation of dopamine receptor signaling pathway / response to environmental enrichment / ALK mutants bind TKIs / swimming behavior / positive regulation of dendrite development / regulation of neuron differentiation / ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Similarity search - Function | ||||||
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![]() | Reshetnyak, A.V. / Myasnikov, A.G. / Rossi, P. / Miller, D.J. / Kalodimos, C.G. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Mechanism for the activation of the anaplastic lymphoma kinase receptor. Authors: Andrey V Reshetnyak / Paolo Rossi / Alexander G Myasnikov / Munia Sowaileh / Jyotidarsini Mohanty / Amanda Nourse / Darcie J Miller / Irit Lax / Joseph Schlessinger / Charalampos G Kalodimos / ![]() Abstract: Anaplastic lymphoma kinase (ALK) is a receptor tyrosine kinase (RTK) that regulates important functions in the central nervous system. The ALK gene is a hotspot for chromosomal translocation events ...Anaplastic lymphoma kinase (ALK) is a receptor tyrosine kinase (RTK) that regulates important functions in the central nervous system. The ALK gene is a hotspot for chromosomal translocation events that result in several fusion proteins that cause a variety of human malignancies. Somatic and germline gain-of-function mutations in ALK were identified in paediatric neuroblastoma. ALK is composed of an extracellular region (ECR), a single transmembrane helix and an intracellular tyrosine kinase domain. ALK is activated by the binding of ALKAL1 and ALKAL2 ligands to its ECR, but the lack of structural information for the ALK-ECR or for ALKAL ligands has limited our understanding of ALK activation. Here we used cryo-electron microscopy, nuclear magnetic resonance and X-ray crystallography to determine the atomic details of human ALK dimerization and activation by ALKAL1 and ALKAL2. Our data reveal a mechanism of RTK activation that allows dimerization by either dimeric (ALKAL2) or monomeric (ALKAL1) ligands. This mechanism is underpinned by an unusual architecture of the receptor-ligand complex. The ALK-ECR undergoes a pronounced ligand-induced rearrangement and adopts an orientation parallel to the membrane surface. This orientation is further stabilized by an interaction between the ligand and the membrane. Our findings highlight the diversity in RTK oligomerization and activation mechanisms. | ||||||
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Structure visualization
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Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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PDBx/mmCIF format | ![]() | 140.7 KB | Display | ![]() |
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PDB format | ![]() | 111.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 24095MC ![]() 7mzwC ![]() 7mzxC ![]() 7mzyC ![]() 7mzzC C: citing same article ( M: map data used to model this data |
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Similar structure data | |
EM raw data | ![]() Data size: 10.2 TB Data #1: Unaligned multi-frame micrographs of 2:2 ALK:AugAlpha complex [micrographs - multiframe] Data #2: Aligned single-frame micrographs of 2:2 ALK:AugAlpha complex [micrographs - single frame]) |
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Links
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Assembly
Deposited unit | ![]()
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Components
#1: Protein | Mass: 39377.559 Da / Num. of mol.: 2 / Mutation: C66Y Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() ![]() References: UniProt: Q9UM73, ![]() #2: Protein | Mass: 14640.013 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() ![]() |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: ![]() |
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Sample preparation
Component | Name: hetero-tetrameric complex of anaplastic lymphoma kinase (ALK) with Augmentor alpha Type: COMPLEX / Entity ID: all / Source: RECOMBINANT | ||||||||||||||||
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Molecular weight | Value: 108 kDa/nm / Experimental value: YES | ||||||||||||||||
Source (natural) | Organism: ![]() ![]() | ||||||||||||||||
Source (recombinant) | Organism: ![]() ![]() ![]() | ||||||||||||||||
Buffer solution | pH: 7.4 | ||||||||||||||||
Buffer component |
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Specimen | Conc.: 1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied![]() ![]() | ||||||||||||||||
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: 95 % / Chamber temperature: 283.15 K Details: QUANTIFOIL R1.2/1/3 gold 300 mesh grids without glow-discharge, blotting time 3 sec., blotting force -5. |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS / Details: SerialEM coma-free alignment |
Electron gun | Electron source![]() ![]() |
Electron lens | Mode: BRIGHT FIELD![]() ![]() |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Temperature (max): 98 K / Temperature (min): 96 K |
Image recording | Average exposure time: 4.2 sec. / Electron dose: 81 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) / Num. of grids imaged: 1 / Num. of real images: 2498 / Details: 4.2 second exposure, 70 frames, total dose 81e |
EM imaging optics | Energyfilter name![]() |
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Processing
Software | Name: PHENIX / Version: 1.19_4092: / Classification: refinement | ||||||||||||||||||||||||||||
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EM software |
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CTF correction![]() | Details: ctfFIND4 within Relion3.0 software / Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 2266541 / Details: particles selection was done in cisTEM software | ||||||||||||||||||||||||||||
Symmetry | Point symmetry![]() ![]() | ||||||||||||||||||||||||||||
3D reconstruction![]() | Resolution: 2.27 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 188516 / Algorithm: FOURIER SPACE / Details: cryoSPARC / Num. of class averages: 1 / Symmetry type: POINT | ||||||||||||||||||||||||||||
Atomic model building | Protocol: RIGID BODY FIT / Space: REAL | ||||||||||||||||||||||||||||
Refine LS restraints |
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