4FTV

The complex between the high affinity version of A6 TCR (A6c134) and human Class I MHC HLA-A2 with the bound TAX nonameric peptide

• PDB DOI: https://doi.org/10.2210/pdb4FTV/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens, Human T-cell lymphotropic virus type 1 (african isolate)
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2012-06-28 Released: 2013-07-03 
• Deposition Author(s): Borbulevych, O.Y., Baker, B.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.74 Å
• R-Value Free: 0.260 
• R-Value Work: 0.216 
• R-Value Observed: 0.218 

Literature

Structure of a high affinity TCR reveals native binding to MHC with enhanced peptide specificity

Borbulevych, O.Y., Baker, B.M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 5-mer - A1B1C1D1E1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 95.25 kDa 
• Atom Count: 6,740 
• Modelled Residue Count: 829 
• Deposited Residue Count: 829 
• Unique protein chains: 5

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HLA class I histocompatibility antigen, A-2 alpha chain	A	275	Homo sapiens	Mutation(s): 0  Gene Names: HLA-A, HLAA
UniProt & NIH Common Fund Data Resources
Find proteins for P04439 (Homo sapiens) Go to UniProtKB:  P04439
PHAROS:  P04439 GTEx:  ENSG00000206503

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-2-microglobulin	B	100	Homo sapiens	Mutation(s): 0  Gene Names: B2M, CDABP0092, HDCMA22P
UniProt & NIH Common Fund Data Resources
Find proteins for P61769 (Homo sapiens) Go to UniProtKB:  P61769
PHAROS:  P61769 GTEx:  ENSG00000166710

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein Tax-1	C	9	Human T-cell lymphotropic virus type 1 (african isolate)	Mutation(s): 0
UniProt
Find proteins for P0C213 (Human T-cell leukemia virus 1 (isolate Zaire EL subtype B)) Go to UniProtKB:  P0C213

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
A6 alpha chain	D	200	Homo sapiens	Mutation(s): 0

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
A6 beta chain	E	245	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	F [auth A], G [auth A], H [auth A], I [auth A], J [auth A], K [auth A], L [auth B], M [auth B], N [auth D], O [auth E]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.74 Å
• R-Value Free: 0.260 
• R-Value Work: 0.216 
• R-Value Observed: 0.218 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 224.23	α = 90
b = 48.954	β = 89.62
c = 94.398	γ = 90

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-07-03 
Deposition Author(s): Borbulevych, O.Y., Baker, B.M.

Revision History  

• Version 1.0: 2013-07-03
  Type: Initial release