5MR5

Ligand-receptor complex.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.243 
  • R-Value Work: 0.204 
  • R-Value Observed: 0.206 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Structure and biophysical characterization of the human full-length neurturin-GFRa2 complex: A role for heparan sulfate in signaling.

Sandmark, J.Dahl, G.Oster, L.Xu, B.Johansson, P.Akerud, T.Aagaard, A.Davidsson, P.Bigalke, J.M.Winzell, M.S.Rainey, G.J.Roth, R.G.

(2018) J Biol Chem 293: 5492-5508

  • DOI: 10.1074/jbc.RA117.000820
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Neurturin (NRTN) provides trophic support to neurons and is considered a therapeutic agent for neurodegenerative diseases, such as Parkinson's disease. It binds to its co-receptor GFRa2, and the resulting NRTN-GFRa2 complex activates the transmembran ...

    Neurturin (NRTN) provides trophic support to neurons and is considered a therapeutic agent for neurodegenerative diseases, such as Parkinson's disease. It binds to its co-receptor GFRa2, and the resulting NRTN-GFRa2 complex activates the transmembrane receptors rearranged during transfection (RET) or the neural cell adhesion molecule (NCAM). We report the crystal structure of NRTN, alone and in complex with GFRa2. This is the first crystal structure of a GFRa with all three domains and shows that domain 1 does not interact directly with NRTN, but it may support an interaction with RET and/or NCAM, via a highly conserved surface. In addition, biophysical results show that the relative concentration of GFRa2 on cell surfaces can affect the functional affinity of NRTN through avidity effects. We have identified a heparan sulfate-binding site on NRTN and a putative binding site in GFRa2, suggesting that heparan sulfate has a role in the assembly of the signaling complex. We further show that mutant NRTN with reduced affinity for heparan sulfate may provide a route forward for delivery of NRTN with increased exposure in preclinical in vivo models and ultimately to Parkinson's patients.


    Organizational Affiliation

    Discovery Biology, Discovery Sciences, IMED Biotech Unit, AstraZeneca, Gothenburg 43183, Sweden, robert.roth@astrazeneca.com.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
GDNF family receptor alpha-2C, D216Homo sapiensMutation(s): 0 
Gene Names: GFRA2GDNFRBRETL2TRNR2
Find proteins for O00451 (Homo sapiens)
Explore O00451 
Go to UniProtKB:  O00451
NIH Common Fund Data Resources
PHAROS  O00451
Protein Feature View
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  • Reference Sequence

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
NeurturinA, B102Homo sapiensMutation(s): 0 
Gene Names: NRTN
Find proteins for Q99748 (Homo sapiens)
Explore Q99748 
Go to UniProtKB:  Q99748
NIH Common Fund Data Resources
PHAROS  Q99748
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download CCD File 
A, B, C, D
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
GOL
Query on GOL

Download CCD File 
B, C
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.243 
  • R-Value Work: 0.204 
  • R-Value Observed: 0.206 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 52.07α = 90
b = 120.3β = 98.46
c = 78.67γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2018-01-17
    Type: Initial release
  • Version 1.1: 2018-02-14
    Changes: Database references
  • Version 1.2: 2018-02-21
    Changes: Database references
  • Version 1.3: 2018-04-25
    Changes: Data collection, Database references