3A7Q

Structural basis for specific recognition of reelin by its receptors


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free: 0.296 
  • R-Value Work: 0.223 
  • R-Value Observed: 0.227 

wwPDB Validation   3D Report Full Report


This is version 2.0 of the entry. See complete history


Literature

Structural Basis for Specific Recognition of Reelin by Its Receptors

Yasui, N.Nogi, T.Takagi, J.

(2010) Structure 18: 320-331

  • DOI: 10.1016/j.str.2010.01.010
  • Primary Citation of Related Structures:  
    3A7Q

  • PubMed Abstract: 
  • Apolipoprotein E receptor 2 (ApoER2) and very-low-density lipoprotein receptor, members of the low-density lipoprotein receptor (LDLR) protein family, function as neuronal receptors for a secreted glycoprotein reelin during brain development. In both receptors, the first LDLR class A (LA1) module is sufficient to bind reelin ...

    Apolipoprotein E receptor 2 (ApoER2) and very-low-density lipoprotein receptor, members of the low-density lipoprotein receptor (LDLR) protein family, function as neuronal receptors for a secreted glycoprotein reelin during brain development. In both receptors, the first LDLR class A (LA1) module is sufficient to bind reelin. Analysis of a 2.6 A crystal structure of the reelin receptor-binding fragment in complex with the LA1 of ApoER2 revealed that Lys2467 of reelin is recognized by both a conserved Trp residue and calcium-coordinating acidic residues from LA1, which together with Lys2360 plays a critical role in the interaction. This "double-Lys" recognition mode is, in fact, shared among other LDLR family proteins in ligand binding. The interface between reelin and LA1 covers a small surface area of approximately 350 A(2) on each side, which ensures a stable complex formation under physiological conditions. An examination of structure-guided mutagenesis on interface residues revealed key features of this interaction.


    Organizational Affiliation

    Laboratory of Protein Synthesis and Expression, Institute for Protein Research, Osaka University, Suita, Osaka, Japan.



Macromolecules
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
ReelinA725Mus musculusMutation(s): 1 
Gene Names: RelnRl
EC: 3.4.21
UniProt & NIH Common Fund Data Resources
Find proteins for Q60841 (Mus musculus)
Explore Q60841 
Go to UniProtKB:  Q60841
IMPC:  MGI:103022
Protein Feature View
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  • Reference Sequence
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Low-density lipoprotein receptor-related protein 8B44Homo sapiensMutation(s): 0 
Gene Names: APOER2LRP8
UniProt & NIH Common Fund Data Resources
Find proteins for Q14114 (Homo sapiens)
Explore Q14114 
Go to UniProtKB:  Q14114
PHAROS:  Q14114
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  • Reference Sequence
Oligosaccharides

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Entity ID: 3
MoleculeChainsChain Length2D Diagram Glycosylation3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranoseC2 N-Glycosylation Oligosaccharides Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.60 Å
  • R-Value Free: 0.296 
  • R-Value Work: 0.223 
  • R-Value Observed: 0.227 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 56.98α = 90
b = 93.844β = 107.41
c = 73.456γ = 90
Software Package:
Software NamePurpose
HKL-2000data collection
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2010-03-23
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Advisory, Version format compliance
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Atomic model, Data collection, Database references, Derived calculations, Structure summary