2F53

Directed Evolution of Human T-cell Receptor CDR2 residues by phage display dramatically enhances affinity for cognate peptide-MHC without apparent cross-reactivity


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.231
  • R-Value Work: 0.166

Literature

Macromolecules
Sequence Display for 2F53

Classification: IMMUNE SYSTEM

Total Structure Weight: 93672.13

Macromolecule Entities
Molecule Chains Length Organism Details
HLA class I histocompatibility antigen A 275 Homo sapiens Fragment: Extracellular domains alpha 1, alpha2 and alpha3, residues 25-299
Gene Name(s): HLA-A Gene View HLAA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Beta-2-microglobulin B 100 Homo sapiens Fragment: Beta-2 Microglobulin, residues 21-119
Mutation: K91C
Gene Name(s): B2M Gene View CDABP0092 HDCMA22P
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Cancer/testis antigen 1B C 9 Homo sapiens Fragment: residues 157-165
Gene Name(s): CTAG1A Gene View CTAG CTAG1 ESO1 LAGE2 LAGE2A CTAG1B Gene View LAGE2B
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
T-cell Receptor, alpha chain D 193 Homo sapiens Gene Name(s): TRAC TCRA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
T-cell receptor, beta chain E 243 Homo sapiens

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

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

A SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.231
  • R-Value Work: 0.166
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 76.23 α = 90.00
b = 53.97 β = 96.83
c = 119.90 γ = 90.00

Structure Validation

View Full Validation Report



Entry History

Deposition Data

  • Deposited Date: 2005-11-25
  • Released Date: 2006-04-25
  • Deposition author(s): Rizkallah, P.J., Jakobsen, B.K., Dunn, S.M., Sami, M.

Revision History

  • Version 1_0: 2006-04-25

    Type: Initial release

  • Version 1_1: 2008-05-01

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Advisory, Version format compliance