8elh

Crystal Structure of HLA-B*15:01 in complex with spike derived peptide NQKLIANQF from SARS-CoV-2 virus

Method: X-RAY DIFFRACTION Dmax: 73.7 Å Quality: EXCELLENT

1. Protein Identity and Related Structures Protein Identity & Related Structures

Beta-2-microglobulin

Homo sapiens

UniProt P61769

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 21–119 Not recorded heavy chain HLA-B*15:01 × 1 ;Spike protein S2' ; × 1 (P0DTC2) ACT ACETATE ION × 1 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;298 K;0.2 M sodium formate, pH 7.0, 20% w/v PEG3350 Resolution 1.85 Å R-free 0.223

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

1313 other PDB entries and 1998 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name B2MG_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–99; UniProt 21–119

;Spike protein S2' ;

OrganismNot specified

UniProt P0DTC2

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 919–927 Fragment:NQK-OC43 peptide (UNP residues 919-927) heavy chain HLA-B*15:01 × 1 Beta-2-microglobulin × 1 (P61769) ACT ACETATE ION × 1 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;298 K;0.2 M sodium formate, pH 7.0, 20% w/v PEG3350 Resolution 1.85 Å R-free 0.223

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

2152 other PDB entries and 2473 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SPIKE_SARS2
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–9; UniProt 919–927

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 8elh

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8elh
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8elh
Deposition date deposition_date2022-09-24
Structure title titleCrystal Structure of HLA-B*15:01 in complex with spike derived peptide NQKLIANQF from SARS-CoV-2 virus
Keywords keywordsTCR, T cell, HLA-B*15:01, NQK, spike, SARS-CoV-2, COVID, immune response, VIRAL PROTEIN-IMMUNE SYSTEM complex; VIRAL PROTEIN/IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier24.00
Radius of gyration Rg (electron density) rg_electron22.87
Forward intensity I(0) i036803400.00
Molecular weight molecular_weight44861.0 kDa
Excluded volume excluded_volume55271 ų
Envelope volume envelope_volume66968 ų
Hydration-shell volume shell_volume24520 ų
Envelope diameter envelope_diameter77.2
Shell Rg shell_rg29.66
Envelope Rg envelope_rg22.92
Shape Rg shape_rg22.86
Total Rg total_rg23.70
Total atoms total_atoms3169
Residues n_residues384
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax73.7
Rg (real space) rg_real23.93
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real3.6800e+07
I(0) uncertainty (real space) i0_real_error4.0830e+05
Rg (reciprocal space) rg_reciprocal23.95
I(0) (reciprocal space) i0_reciprocal36800000.0000
Solution quality estimate total_estimate0.9120
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.8
Skewness Skewness skewness0.232
Kurtosis Kurtosis kurtosis-0.497
Angular range angular_range— – 0.3300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7730000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.964; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.961

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id8elhA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology500 — Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1
Homologous superfamily homologous superfamily10 — MHC class I-like antigen recognition-like
Domain ID domain_id8elhA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id8elhB01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)