4Z78

Weak TCR binding to an unstable insulin epitope drives type 1 diabetes


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.233
  • R-Value Work: 0.188

Literature

Macromolecules
Sequence Display for 4Z78

Classification: IMMUNE SYSTEM

Total Structure Weight: 137896.67

Macromolecule Entities
Molecule Chains Length Organism Details
H-2 class I histocompatibility antigen, K-D alpha chain A, D, G 277 Mus musculus Fragment: UNP residues 22-296
Mutation: Q114H
Gene Name(s): H2-K1 H2-K
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Beta-2-microglobulin B, E, H 100 Homo sapiens Fragment: UNP residues 21-119
Gene Name(s): B2M Gene View CDABP0092 HDCMA22P
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Insulin C, F, I 10 Homo sapiens Fragment: UNP residues 39-48
Gene Name(s): INS Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SO4
Query on SO4

A, D, G SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A, D, E, H GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
EDO
Query on EDO

A, D, H 1,2-ETHANEDIOL
ETHYLENE GLYCOL (Synonym)
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.233
  • R-Value Work: 0.188
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 46.17 α = 90.00
b = 151.57 β = 90.00
c = 182.23 γ = 90.00

Structure Validation

View Full Validation Report



Entry History

Deposition Data

  • Deposited Date: 2015-04-06
  • Released Date: 2015-06-24
  • Deposition author(s): Rizkallah, P.J., Cole, D.K.

Revision History

  • Version 1_0: 2015-06-24

    Type: Initial release

  • Version 1_1: 2015-07-01

    Type: Database references

  • Version 1_2: 2015-08-12

    Type: Database references