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- EMDB-20578: Cryo-EM structure of RET/GFRa2/NRTN extracellular complex in the ... -

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Entry
Database: EMDB / ID: EMD-20578
TitleCryo-EM structure of RET/GFRa2/NRTN extracellular complex in the tetrameric form
Map dataCryo-EM structure of RET/GFRa2/NRTN extracellular complex in the tetrameric form.
Sample
  • Complex: RET, GFRAL and GDF15 extracellular complex
    • Protein or peptide: Neurturin
    • Protein or peptide: GDNF family receptor alpha-2
    • Protein or peptide: Proto-oncogene tyrosine-protein kinase receptor Ret
  • Ligand: CALCIUM ION
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsRET / receptor tyrosine kinase / cryo-EM / SIGNALING PROTEIN
Function / homology
Function and homology information


glial cell-derived neurotrophic factor receptor activity / glial cell-derived neurotrophic factor receptor binding / Peyer's patch morphogenesis / GDF15-GFRAL signaling pathway / positive regulation of metanephric glomerulus development / embryonic epithelial tube formation / ureter maturation / glial cell-derived neurotrophic factor receptor signaling pathway / lymphocyte migration into lymphoid organs / posterior midgut development ...glial cell-derived neurotrophic factor receptor activity / glial cell-derived neurotrophic factor receptor binding / Peyer's patch morphogenesis / GDF15-GFRAL signaling pathway / positive regulation of metanephric glomerulus development / embryonic epithelial tube formation / ureter maturation / glial cell-derived neurotrophic factor receptor signaling pathway / lymphocyte migration into lymphoid organs / posterior midgut development / Formation of the ureteric bud / membrane protein proteolysis / Formation of the nephric duct / enteric nervous system development / neuron cell-cell adhesion / nerve development / plasma membrane protein complex / NCAM1 interactions / neuron maturation / heparan sulfate binding / positive regulation of extrinsic apoptotic signaling pathway in absence of ligand / cell surface receptor signaling pathway via STAT / positive regulation of cell adhesion mediated by integrin / neural crest cell migration / extrinsic component of membrane / ureteric bud development / regulation of axonogenesis / response to pain / homophilic cell-cell adhesion / RET signaling / positive regulation of cell size / regulation of cell adhesion / cellular response to retinoic acid / NPAS4 regulates expression of target genes / transmembrane receptor protein tyrosine kinase activity / axon guidance / cell surface receptor protein tyrosine kinase signaling pathway / growth factor activity / positive regulation of neuron projection development / receptor protein-tyrosine kinase / receptor tyrosine kinase binding / neuron projection development / nervous system development / MAPK cascade / signaling receptor activity / RAF/MAP kinase cascade / protein tyrosine kinase activity / positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / receptor complex / positive regulation of MAPK cascade / endosome membrane / positive regulation of cell migration / signaling receptor binding / axon / external side of plasma membrane / calcium ion binding / positive regulation of gene expression / positive regulation of DNA-templated transcription / signal transduction / extracellular space / extracellular region / ATP binding / plasma membrane
Similarity search - Function
Glial cell line-derived neurotrophic factor receptor alpha 2 / Glial cell line-derived neurotrophic factor receptor, alpha 1/2 / Glial cell line-derived neurotrophic factor family / Glial cell line-derived neurotrophic factor receptor / GDNF receptor alpha / GDNF/GAS1 / GDNF/GAS1 domain / GDNF/GAS1 domain / Tyrosine-protein kinase, Ret receptor / Tyrosine-protein kinase receptor Ret, cadherin like domain 3 ...Glial cell line-derived neurotrophic factor receptor alpha 2 / Glial cell line-derived neurotrophic factor receptor, alpha 1/2 / Glial cell line-derived neurotrophic factor family / Glial cell line-derived neurotrophic factor receptor / GDNF receptor alpha / GDNF/GAS1 / GDNF/GAS1 domain / GDNF/GAS1 domain / Tyrosine-protein kinase, Ret receptor / Tyrosine-protein kinase receptor Ret, cadherin like domain 3 / Ret, cadherin like domain 1 / RET, cadherin-like domain 4 / : / RET Cadherin like domain 1 / RET Cadherin like domain 3 / RET Cadherin like domain 4 / RET, Cysteine Rich Domain / Transforming growth factor-beta, C-terminal / Transforming growth factor beta like domain / TGF-beta family profile. / Cadherin domain / Cadherin-like / Cadherins domain profile. / Cadherin-like superfamily / Cystine-knot cytokine / : / Tyrosine-protein kinase, catalytic domain / Tyrosine kinase, catalytic domain / Tyrosine protein kinases specific active-site signature. / Tyrosine-protein kinase, active site / Serine-threonine/tyrosine-protein kinase, catalytic domain / Protein tyrosine and serine/threonine kinase / Protein kinase, ATP binding site / Protein kinases ATP-binding region signature. / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily
Similarity search - Domain/homology
GDNF family receptor alpha-2 / Proto-oncogene tyrosine-protein kinase receptor Ret / Neurturin
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 4.3 Å
AuthorsLi J / Shang GJ
CitationJournal: Elife / Year: 2019
Title: Cryo-EM analyses reveal the common mechanism and diversification in the activation of RET by different ligands.
Authors: Jie Li / Guijun Shang / Yu-Ju Chen / Chad A Brautigam / Jen Liou / Xuewu Zhang / Xiao-Chen Bai /
Abstract: RET is a receptor tyrosine kinase (RTK) that plays essential roles in development and has been implicated in several human diseases. Different from most of RTKs, RET requires not only its cognate ...RET is a receptor tyrosine kinase (RTK) that plays essential roles in development and has been implicated in several human diseases. Different from most of RTKs, RET requires not only its cognate ligands but also co-receptors for activation, the mechanisms of which remain unclear due to lack of high-resolution structures of the ligand/co-receptor/receptor complexes. Here, we report cryo-EM structures of the extracellular region ternary complexes of GDF15/GFRAL/RET, GDNF/GFRα1/RET, NRTN/GFRα2/RET and ARTN/GFRα3/RET. These structures reveal that all the four ligand/co-receptor pairs, while using different atomic interactions, induce a specific dimerization mode of RET that is poised to bring the two kinase domains into close proximity for cross-phosphorylation. The NRTN/GFRα2/RET dimeric complex further pack into a tetrameric assembly, which is shown by our cell-based assays to regulate the endocytosis of RET. Our analyses therefore reveal both the common mechanism and diversification in the activation of RET by different ligands.
History
DepositionAug 8, 2019-
Header (metadata) releaseOct 2, 2019-
Map releaseOct 2, 2019-
UpdateNov 20, 2024-
Current statusNov 20, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.015
  • Imaged by UCSF Chimera
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  • Surface view colored by radius
  • Surface level: 0.015
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-6q2r
  • Surface level: 0.015
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_20578.png

Downloads & links

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Map

FileDownload / File: emd_20578.map.gz / Format: CCP4 / Size: 83.7 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationCryo-EM structure of RET/GFRa2/NRTN extracellular complex in the tetrameric form.
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.07 Å/pix.
x 280 pix.
= 299.6 Å		1.07 Å/pix.
x 280 pix.
= 299.6 Å		1.07 Å/pix.
x 280 pix.
= 299.6 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.07 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.015 / Movie #1: 0.015
Minimum - Maximum-0.02166576 - 0.04968351
Average (Standard dev.)0.00056187937 (±0.0032600074)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions280280280
Spacing280280280
CellA=B=C: 299.6 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.071.071.07
M x/y/z280280280
origin x/y/z0.0000.0000.000
length x/y/z299.600299.600299.600
α/β/γ90.00090.00090.000
start NX/NY/NZ000
NX/NY/NZ320320320
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS280280280
D min/max/mean-0.0220.0500.001

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Supplemental data

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Sample components

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Entire : RET, GFRAL and GDF15 extracellular complex

EntireName: RET, GFRAL and GDF15 extracellular complex
Components
  • Complex: RET, GFRAL and GDF15 extracellular complex
    • Protein or peptide: Neurturin
    • Protein or peptide: GDNF family receptor alpha-2
    • Protein or peptide: Proto-oncogene tyrosine-protein kinase receptor Ret
  • Ligand: CALCIUM ION
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: RET, GFRAL and GDF15 extracellular complex

SupramoleculeName: RET, GFRAL and GDF15 extracellular complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#3
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 200 kDa/nm

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Macromolecule #1: Neurturin

MacromoleculeName: Neurturin / type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.706406 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
ARLGARPCGL RELEVRVSEL GLGYASDETV LFRYCAGACE AAARVYDLGL RRLRQRRRLR RERVRAQPCC RPTAYEDEVS FLDAHSRYH TVHELSAREC ACV

UniProtKB: Neurturin

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Macromolecule #2: GDNF family receptor alpha-2

MacromoleculeName: GDNF family receptor alpha-2 / type: protein_or_peptide / ID: 2 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 39.572633 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: SSLQGPELHG WRPPVDCVRA NELCAAESNC SSRYRTLRQC LAGRDRNTML ANKECQAALE VLQESPLYDC RCKRGMKKEL QCLQIYWSI HLGLTEGEEF YEASPYEPVT SRLSDIFRLA SIFSGTGADP VVSAKSNHCL DAAKACNLND NCKKLRSSYI S ICNREISP ...String:
SSLQGPELHG WRPPVDCVRA NELCAAESNC SSRYRTLRQC LAGRDRNTML ANKECQAALE VLQESPLYDC RCKRGMKKEL QCLQIYWSI HLGLTEGEEF YEASPYEPVT SRLSDIFRLA SIFSGTGADP VVSAKSNHCL DAAKACNLND NCKKLRSSYI S ICNREISP TERCNRRKCH KALRQFFDRV PSEYTYRMLF CSCQDQACAE RRRQTILPSC SYEDKEKPNC LDLRGVCRTD HL CRSRLAD FHANCRASYQ TVTSCPADNY QACLGSYAGM IGFDMTPNYV DSSPTGIVVS PWCSCRGSGN MEEECEKFLR DFT ENPCLR NAIQAFGNGT DVNGTHHHHH HHH

UniProtKB: GDNF family receptor alpha-2

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Macromolecule #3: Proto-oncogene tyrosine-protein kinase receptor Ret

MacromoleculeName: Proto-oncogene tyrosine-protein kinase receptor Ret / type: protein_or_peptide / ID: 3 / Number of copies: 4 / Enantiomer: LEVO / EC number: receptor protein-tyrosine kinase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 69.100812 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: LYFSRDAYWE KLYVDQAAGT PLLYVHALRD APEEVPSFRL GQHLYGTYRT RLHENNWICI QEDTGLLYLN RSLDHSSWEK LSVRNHGFP LLTVYLKVFL SPTSLREGEC QWPGCARVYF SFFNTSFPAC SSLKPRELCF PETRPSFRIR ENRPPGTFHQ F RLLPVQFL ...String:
LYFSRDAYWE KLYVDQAAGT PLLYVHALRD APEEVPSFRL GQHLYGTYRT RLHENNWICI QEDTGLLYLN RSLDHSSWEK LSVRNHGFP LLTVYLKVFL SPTSLREGEC QWPGCARVYF SFFNTSFPAC SSLKPRELCF PETRPSFRIR ENRPPGTFHQ F RLLPVQFL CPNISVAYRL LEGEGLPFRC APDSLEVSTR WALDREQREK YELVAVCTVH AGAREEVVMV PFPVTVYDED DS APTFPAG VDTASAVVEF KRKEDTVVAT LRVFDADVVP ASGELVRRYT STLLPGDTWA QQTFRVEHWP NETSVQANGS FVR ATVHDY RLVLNRNLSI SENRTMQLAV LVNDSDFQGP GAGVLLLHFN VSVLPVSLHL PSTYSLSVSR RARRFAQIGK VCVE NCQAF SGINVQYKLH SSGANCSTLG VVTSAEDTSG ILFVNDTKAL RRPKCAELHY MVVATDQQTS RQAQAQLLVT VEGSY VAEE AGCPLSCAVS KRRLECEECG GLGSPTGRCE WRQGDGKGIT RNFSTCSPST KTCPDGHCDV VETQDINICP QDCLRG SIV GGHEPGEPRG IKAGYGTCNC FPEEEKCFCE PEDIQDPLCD ELCRGTHHHH HHHH

UniProtKB: Proto-oncogene tyrosine-protein kinase receptor Ret

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Macromolecule #4: CALCIUM ION

MacromoleculeName: CALCIUM ION / type: ligand / ID: 4 / Number of copies: 16 / Formula: CA
Molecular weightTheoretical: 40.078 Da

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Macromolecule #5: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 5 / Number of copies: 24 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

Concentration1 mg/mL
BufferpH: 7.4
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsEnergy filter - Name: GIF Quantum LS / Energy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K2 QUANTUM (4k x 4k) / Detector mode: SUPER-RESOLUTION / Digitization - Frames/image: 1-30 / Number grids imaged: 1 / Average exposure time: 15.0 sec. / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 70.0 µm / Calibrated magnification: 46729 / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: OTHER / Details: The initial model was generated in RELION.
Final reconstructionApplied symmetry - Point group: C2 (2 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 4.3 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 15957
Initial angle assignmentType: PROJECTION MATCHING / Software - Name: RELION
Final angle assignmentType: PROJECTION MATCHING / Software - Name: RELION
Final 3D classificationSoftware - Name: RELION

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Atomic model buiding 1

RefinementSpace: REAL / Protocol: FLEXIBLE FIT / Overall B value: 190
Output model

PDB-6q2r:
Cryo-EM structure of RET/GFRa2/NRTN extracellular complex in the tetrameric form

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