3SGJ

Unique carbohydrate-carbohydrate interactions are required for high affinity binding between FcgIII and antibodies lacking core fucose


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.252
  • R-Value Work: 0.195

Literature

Macromolecules
Sequence Display for 3SGJ

Classification: IMMUNE SYSTEM

Total Structure Weight: 78763.93

Macromolecule Entities
Molecule Chains Length Organism Details
human Fc fragment A, B 225 Homo sapiens Fragment: unp residues 106-330
Gene Name(s): IGHG1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
human Fcg3a receptor C 204 Homo sapiens Fragment: unp residues 19-208
Mutation: N38Q, N74Q, F158V, N169Q
Gene Name(s): FCGR3A Gene View CD16A FCG3 FCGR3 IGFR3
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
NAG
Query on NAG

A, B, C N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MAN
Query on MAN

A, B, C ALPHA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-PQMKYFCFSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BMA
Query on BMA

A, B, C BETA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-RWOPYEJCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
FUC
Query on FUC

A, B ALPHA-L-FUCOSE
C6 H12 O5
SHZGCJCMOBCMKK-SXUWKVJYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MLI
Query on MLI

A MALONATE ION
C3 H2 O4
OFOBLEOULBTSOW-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.252
  • R-Value Work: 0.195
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 66.65 α = 90.00
b = 88.48 β = 90.00
c = 140.29 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-06-15
  • Released Date: 2011-08-03
  • Deposition author(s): Ferrara, C., Grau, S., Jaeger, C., Sondermann, P., Bruenker, P., Waldhauer, I., Hennig, M., Ruf, A., Rufer, A.C., Stihle, M., Umana, P., Benz, J.

Revision History

  • 2012-04-04
    Type: Database references