Biological Assembly 1  

 3D View: Structure | 1D-3D View | Electron Density | Validation Report | Ligand Interaction

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

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

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

 3D View: Structure | 1D-3D View | Electron Density | Validation Report | Ligand Interaction

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 90.22 kDa 
• Atom Count: 6915 
• Modelled Residue Count: 772 
• Deposited Residue Count: 774 
• Unique protein chains: 3

7R7X

Crystal structure of HLA-B*5701 complex with an HIV-1 Gag-derived epitope QW9

• PDB DOI: 10.2210/pdb7R7X/pdb

• Classification: VIRAL PROTEIN/IMMUNE SYSTEM
• Organism(s): Homo sapiens, HIV-1 06TG.HT008
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2021-06-25 Released: 2022-06-29 
• Deposition Author(s): Li, X.L., Tan, K.M., Walker, B.D., Wang, J.H.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.219 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 

Literature

Molecular basis of differential HLA-restricted immune recognition of a highly networked viral peptide

Li, X.L., Singh, N.K., Ng, R., Lamothe-Molina, P.A., Shahinian, P., Xu, S.T., Tan, K.M., Zhang, A.Z., Piechocka-Trocha, A., Weber, J.K., Collins, D.R., Gaiha, G., Mbah, O.C.T., Huynh, T., Zhou, R.H., Walker, B.D., Wang, J.H.

To be published.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MHC class I antigen	A, C	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, D	100	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

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
GLN-ALA-SER-GLN-GLU-VAL-LYS-ASN-TRP	E, F	9	HIV-1 06TG.HT008	Mutation(s): 0

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MES	G [auth B]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C6 H13 N O4 S SXGZJKUKBWWHRA-UHFFFAOYSA-N
IPA	H [auth B]	ISOPROPYL ALCOHOL C3 H8 O KFZMGEQAYNKOFK-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.219 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.54	α = 90
b = 82.577	β = 90
c = 157.303	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data scaling
PDB_EXTRACT	data extraction
HKL-2000	data reduction
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Deposited Date: 2021-06-25 
• Released Date: 2022-06-29 
Deposition Author(s): Li, X.L., Tan, K.M., Walker, B.D., Wang, J.H.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	P01 HL103526; R01 AI149704; 5UM1Al144462; P30 AI060354

Revision History  

• Version 1.0: 2022-06-29
  Type: Initial release