← Back to search
7n6e

TCR peptide HLA-A2 complex

Method: X-RAY DIFFRACTION
▼

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

MHC class I antigen

Homo sapiens

UniProt Q861F7

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 5 Beta-2-microglobulin × 1 （P61769） Spike protein S1 × 1 （P0DTC2） TRAV12-1 TCR-alpha × 1 TRBV19 TCR beta × 1 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 5 Beta-2-microglobulin × 1 （P61769） Spike protein S1 × 1 （P0DTC2） TRAV12-1 TCR-alpha × 1 TRBV19 TCR beta × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
6vr1 6vr1 6vr5 6vr5 6vrm 6vrn 7bbg 7kgo 7kgp 7kgq 7kgr 7kgs

42 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name Q861F7_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–278； UniProt 1–278 Author chain D； PDBConstruct 1–278； UniProt 1–278

Beta-2-microglobulin

Homo sapiens

UniProt P61769

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 5 MHC class I antigen × 1 （Q861F7） Spike protein S1 × 1 （P0DTC2） TRAV12-1 TCR-alpha × 1 TRBV19 TCR beta × 1 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 5 MHC class I antigen × 1 （Q861F7） Spike protein S1 × 1 （P0DTC2） TRAV12-1 TCR-alpha × 1 TRBV19 TCR beta × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1jnj 1lds 1py4 1py4 1py4 1py4 2d4d 2d4f 2vb5 2xks 2xku 2yxf

61 assemblies; showing the first 12

Homodimer
2x89 2x89 2z9t 3low 4r9h 4r9h 4ra3 4ra3 4rah 6m1b

10 assemblies

Homotetramer
2e8d 2f8o 3tlr 3tm6 3tm6 7afv

6 assemblies

Other homooligomers
3ciq 3ciq 3loz 6gk3 8a7o 8a7p 8a7q 8a7t

8 assemblies

Heteromeric or nucleic-acid complex
1a1m 1a1n 1a1o 1a6z 1a6z 1a9b 1a9b 1a9e 1agb 1agc 1agd 1age

1914 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name B2MG_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 2–100； UniProt 21–119 Author chain E； PDBConstruct 2–100； UniProt 21–119

Spike protein S1

OrganismNot specified

UniProt P0DTC2

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 5 MHC class I antigen × 1 （Q861F7） Beta-2-microglobulin × 1 （P61769） TRAV12-1 TCR-alpha × 1 TRBV19 TCR beta × 1 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 5 MHC class I antigen × 1 （Q861F7） Beta-2-microglobulin × 1 （P61769） TRAV12-1 TCR-alpha × 1 TRBV19 TCR beta × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
7b62 7fg7 7my8 7p5g 7p5q 7p5s 7r95 7tpk 7v22 7xiz 9n2l 9wsp

12 assemblies

Homodimer
7wxz 7wxz 7y9n 7zr2

4 assemblies

Homotetramer
6lvn 7owx

2 assemblies

Other homooligomers
6lxt 6lxt 6m1v 6x29 6x2a 6x2b 6x2c 6x45 6xs6 6zgg 6zgh 7a93

103 assemblies; showing the first 12

Heteromeric or nucleic-acid complex
10mu 11hk 11hl 11hn 11hw 6lzg 6m0j 6m17 6vsb 6vw1 6vw1 6vxx

2353 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name SPIKE_SARS2
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C； PDBConstruct 1–9； UniProt 269–277 Author chain F； PDBConstruct 1–9； UniProt 269–277

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id7n6e
Deposition date deposition_date2021-06-08
Structure title titleTCR peptide HLA-A2 complex
Keywords keywordsT cell receptor, Human Leucocyte Antigen, SARS-CoV-2, IMMUNE SYSTEM-VIRAL PROTEIN complex; IMMUNE SYSTEM/VIRAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION
▼

3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

7n6e__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

7n6e__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

7n6e__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）37.15 Å
Rg (electron density)37.48 Å
Total Rg37.60 Å
Atom count6496
Residues817
Excluded volume113710 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 7n6e__assembly_1__model_1 pentameric （5） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 7n6e__assembly_2__model_1 pentameric （5） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (5)

▶

7. Citations (1)