8F5A

Crystal Structure of KS1 TCR in complex with HLA-B*57:01-TW10

• PDB DOI: https://doi.org/10.2210/pdb8F5A/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens, Human immunodeficiency virus 1
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-11-12 Released: 2024-05-22 
• Deposition Author(s): Chatzileontiadou, D.S.M., Lobos, C.A., Gras, S.
• Funding Organization(s): National Health and Medical Research Council (NHMRC, Australia)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.237 
• R-Value Work: 0.202 
• R-Value Observed: 0.204 

Literature

Crystal Structure of KS1 TCR in complex with HLA-B*57:01-TW10

Gras, S.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 94.47 kDa 
• Atom Count: 7,086 
• Modelled Residue Count: 826 
• Deposited Residue Count: 834 
• Unique protein chains: 5

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
heavy chain HLA-B*57:01	A	278	Homo sapiens	Mutation(s): 0  Gene Names: HLA-B
UniProt
Find proteins for U6BR87 (Homo sapiens) Explore U6BR87  Go to UniProtKB:  U6BR87

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-2-microglobulin	B	99	Homo sapiens	Mutation(s): 0  Gene Names: B2M, CDABP0092, HDCMA22P
UniProt & NIH Common Fund Data Resources
Find proteins for P61769 (Homo sapiens) Explore P61769  Go to UniProtKB:  P61769
PHAROS:  P61769 GTEx:  ENSG00000166710

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
KS1 TCR alpha chain	C	208	Homo sapiens	Mutation(s): 0

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
KS1 TCR beta chain	D	239	Homo sapiens	Mutation(s): 0

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
TW10 peptide	E	10	Human immunodeficiency virus 1	Mutation(s): 0
UniProt
Find proteins for P04585 (Human immunodeficiency virus type 1 group M subtype B (isolate HXB2)) Explore P04585  Go to UniProtKB:  P04585

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ACT	F [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M
CL	H [auth C], I [auth D]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
NA	G [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.237 
• R-Value Work: 0.202 
• R-Value Observed: 0.204 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 70.016	α = 90
b = 55.804	β = 91.22
c = 122.714	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-05-22 
Deposition Author(s): Chatzileontiadou, D.S.M., Lobos, C.A., Gras, S.

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Funding Organization	Location	Grant Number
National Health and Medical Research Council (NHMRC, Australia)	Australia	1159272

Revision History  

• Version 1.0: 2024-05-22
  Type: Initial release
  
• Version 1.1: 2024-11-06
  Changes: Structure summary