1YXK

Crystal structure of human lectin-like oxidized low-density lipoprotein receptor 1 (LOX-1) disulfide-linked dimer


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.40 Å
  • R-Value Free: 0.277 
  • R-Value Work: 0.218 
  • R-Value Observed: 0.218 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Crystal structure of human lectin-like, oxidized low-density lipoprotein receptor 1 ligand binding domain and its ligand recognition mode to OxLDL.

Ohki, I.Ishigaki, T.Oyama, T.Matsunaga, S.Xie, Q.Ohnishi-Kameyama, M.Murata, T.Tsuchiya, D.Machida, S.Morikawa, K.Tate, S.

(2005) Structure 13: 905-917

  • DOI: 10.1016/j.str.2005.03.016
  • Primary Citation of Related Structures:  
    1YXJ, 1YXK

  • PubMed Abstract: 
  • Lectin-like, oxidized low-density lipoprotein (LDL) receptor 1, LOX-1, is the major receptor for oxidized LDL (OxLDL) in endothelial cells. We have determined the crystal structure of the ligand binding domain of LOX-1, with a short stalk region connecting the domain to the membrane-spanning region, as a homodimer linked by an interchain disulfide bond ...

    Lectin-like, oxidized low-density lipoprotein (LDL) receptor 1, LOX-1, is the major receptor for oxidized LDL (OxLDL) in endothelial cells. We have determined the crystal structure of the ligand binding domain of LOX-1, with a short stalk region connecting the domain to the membrane-spanning region, as a homodimer linked by an interchain disulfide bond. In vivo assays with LOX-1 mutants revealed that the "basic spine," consisting of linearly aligned arginine residues spanning over the dimer surface, is responsible for ligand binding. Single amino acid substitution in the dimer interface caused a severe reduction in LOX-1 binding activity, suggesting that the correct dimer arrangement is crucial for binding to OxLDL. Based on the LDL model structure, possible binding modes of LOX-1 to OxLDL are proposed.


    Organizational Affiliation

    Department of Structural Biology, Biomolecular Engineering Research Institute 6-2-3, Furuedai, Suita, Osaka, 565-0874, Japan.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
oxidised low density lipoprotein (lectin-like) receptor 1A, B135Homo sapiensMutation(s): 0 
Gene Names: OLR1CLEC8ALOX1
UniProt & NIH Common Fund Data Resources
Find proteins for P78380 (Homo sapiens)
Explore P78380 
Go to UniProtKB:  P78380
PHAROS:  P78380
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP78380
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.40 Å
  • R-Value Free: 0.277 
  • R-Value Work: 0.218 
  • R-Value Observed: 0.218 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 70.862α = 90
b = 49.536β = 98.59
c = 76.73γ = 90
Software Package:
Software NamePurpose
CNSrefinement
HKL-2000data reduction
SCALEPACKdata scaling
CNSphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2005-06-14
    Type: Initial release
  • Version 1.1: 2008-04-30
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance