1LNU

CRYSTAL STRUCTURE OF CLASS II MHC MOLECULE IAb BOUND TO EALPHA3K PEPTIDE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.245
  • R-Value Work: 0.211

Literature

Macromolecules
Sequence Display for 1LNU

Classification: SUGAR BINDING PROTEIN

Total Structure Weight: 184801.64

Macromolecule Entities
Molecule Chains Length Organism Details
H-2 class II histocompatibility antigen, A-B alpha chain A, C, E, G 182 Mus musculus Gene Name(s): H2-Aa
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
H-2 class II histocompatibility antigen, A beta chain B, D, F, H 217 Mus musculus Mutation: R216K
Gene Name(s): H2-Ab1 H2-iabeta
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

G 2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE
C8 H15 N O6
OVRNDRQMDRJTHS-PVFLNQBWSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NAG
Query on NAG

A, B, C, D, E, F, G, H N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.245
  • R-Value Work: 0.211
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 65.04 α = 90.00
b = 274.18 β = 111.42
c = 65.12 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-05-03
  • Released Date: 2002-08-14
  • Deposition author(s): Liu, X., Dai, S., Crawford, F., Fruge, R., Marrack, P., Kappler, J.

Revision History

  • Version 1_0: 2002-08-14

    Type: Initial release

  • Version 1_1: 2008-04-28

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Non-polymer description, Version format compliance