3VYK

Crystal structure of C-type lectin domain of murine dendritic cell inhibitory receptor 2 in complex with N-glycan


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.50 Å
  • R-Value Free: 0.224 
  • R-Value Work: 0.210 
  • R-Value Observed: 0.211 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Recognition of Bisecting N-Acetylglucosamine: STRUCTURAL BASIS FOR ASYMMETRIC INTERACTION WITH THE MOUSE LECTIN DENDRITIC CELL INHIBITORY RECEPTOR 2

Nagae, M.Yamanaka, K.Hanashima, S.Ikeda, A.Morita-Matsumoto, K.Satoh, T.Matsumoto, N.Yamamoto, K.Yamaguchi, Y.

(2013) J Biol Chem 288: 33598-33610

  • DOI: 10.1074/jbc.M113.513572
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Dendritic cell inhibitory receptor 2 (DCIR2) is a C-type lectin expressed on classical dendritic cells. We recently identified the unique ligand specificity of mouse DCIR2 (mDCIR2) toward biantennary complex-type glycans containing bisecting N-acetyl ...

    Dendritic cell inhibitory receptor 2 (DCIR2) is a C-type lectin expressed on classical dendritic cells. We recently identified the unique ligand specificity of mouse DCIR2 (mDCIR2) toward biantennary complex-type glycans containing bisecting N-acetylglucosamine (GlcNAc). Here, we report the crystal structures of the mDCIR2 carbohydrate recognition domain in unliganded form as well as in complex with an agalactosylated complex-type N-glycan unit carrying a bisecting GlcNAc residue. Bisecting GlcNAc and the α1-3 branch of the biantennary oligosaccharide asymmetrically interact with canonical and non-canonical mDCIR2 residues. Ligand-protein interactions occur directly through mDCIR2-characteristic amino acid residues as well as via a calcium ion and water molecule. Our structural and biochemical data elucidate for the first time the unique binding mode of mDCIR2 for bisecting GlcNAc-containing glycans, a mode that contrasts sharply with that of other immune C-type lectin receptors such as DC-SIGN.


    Organizational Affiliation

    From the Structural Glycobiology Team, Systems Glycobiology Research Group, RIKEN-Max Planck Joint Research Center, RIKEN Global Research Cluster, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan and.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
C-type lectin domain family 4, member a4
A
129Mus musculusMutation(s): 0 
Gene Names: Dcir2Clec4a4
Find proteins for Q5YIR8 (Mus musculus)
Go to UniProtKB:  Q5YIR8
NIH Common Fund Data Resources
Small Molecules
Ligands 6 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
NAG
Query on NAG

Download CCD File 
A
N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
 Ligand Interaction
MMA
Query on MMA

Download CCD File 
A
O1-METHYL-MANNOSE
C7 H14 O6
HOVAGTYPODGVJG-VEIUFWFVSA-N
 Ligand Interaction
MAN
Query on MAN

Download CCD File 
A
ALPHA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-PQMKYFCFSA-N
 Ligand Interaction
SO4
Query on SO4

Download CCD File 
A
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
EDO
Query on EDO

Download CCD File 
A
1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
 Ligand Interaction
CA
Query on CA

Download CCD File 
A
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.50 Å
  • R-Value Free: 0.224 
  • R-Value Work: 0.210 
  • R-Value Observed: 0.211 
  • Space Group: P 32 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 76.341α = 90
b = 76.341β = 90
c = 50.556γ = 120
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 

  • Version 1.0: 2013-10-02
    Type: Initial release
  • Version 1.1: 2013-10-16
    Changes: Database references
  • Version 1.2: 2013-12-11
    Changes: Database references