1q69

Solution structure of T-cell surface glycoprotein CD8 alpha chain and Proto-oncogene tyrosine-protein kinase LCK fragments

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

T-cell surface glycoprotein CD8 alpha chain

Homo sapiens

UniProt P01732

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Proto-oncogene tyrosine-protein kinase LCK × 1 (P06239) ZINC ION × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name CD8A_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–19; UniProt 209–227

Proto-oncogene tyrosine-protein kinase LCK

Homo sapiens

UniProt P06239

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 T-cell surface glycoprotein CD8 alpha chain × 1 (P01732) ZINC ION × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name LCK_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–29; UniProt 6–34

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id1q69
Deposition date deposition_date2003-08-12
Structure title titleSolution structure of T-cell surface glycoprotein CD8 alpha chain and Proto-oncogene tyrosine-protein kinase LCK fragments
Keywords keywordsPeptide-peptide complex, helix-helix interaction, zinc coordination, beta hairpin, MEMBRANE PROTEIN-TRANSFERASE COMPLEX; MEMBRANE PROTEIN/TRANSFERASE
Experimental Method methodSOLUTION NMR
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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.

1q69__assembly_1__model_1

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

Download this curve (.dat)

1q69__assembly_1__model_1 | I(q)

10-2 10-1 105 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1q69__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)15.03 Å
Rg (electron density)13.96 Å
Total Rg14.95 Å
Atom count766
Residues48
Excluded volume6786 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1q69__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1q69__assembly_1__model_2 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1q69__assembly_1__model_3 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1q69__assembly_1__model_4 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1q69__assembly_1__model_5 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1q69__assembly_1__model_6 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1q69__assembly_1__model_7 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1q69__assembly_1__model_8 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1q69__assembly_1__model_9 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1q69__assembly_1__model_10 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (3)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1q69a_
Class classj — Peptides
Fold Fold foldj.48 — CD4 and CD8 receptor regions
Superfamily Superfamily superfamilyj.48.1 — CD4 and CD8 receptor regions
Family Family familyj.48.1.1 — CD4 and CD8 receptor regions
Domain ID domain_idd1q69b_
Class classj — Peptides
Fold Fold foldj.108 — Proto-oncogene tyrosine-protein kinase lck CD4/CD8 interacting region
Superfamily Superfamily superfamilyj.108.1 — Proto-oncogene tyrosine-protein kinase lck CD4/CD8 interacting region
Family Family familyj.108.1.1 — Proto-oncogene tyrosine-protein kinase lck CD4/CD8 interacting region
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7. Citations (1)