1bd2

COMPLEX BETWEEN HUMAN T-CELL RECEPTOR B7, VIRAL PEPTIDE (TAX) AND MHC CLASS I MOLECULE HLA-A 0201

Method: X-RAY DIFFRACTION Dmax: 131.8 Å Quality: GOOD

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

HLA-A 0201

Homo sapiens

UniProt P01892

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 25–299 Fragment:EXTRACELLULAR DOMAINS ALPHA 1, ALPHA 2, ALPHA 3 BETA-2 MICROGLOBULIN × 1 (P61769) TAX PEPTIDE × 1 T CELL RECEPTOR ALPHA × 1 T CELL RECEPTOR BETA × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.1;12% PEG8000, 20MM MOPS, 100MM MAGNESIUM ACETATE,PH7.1 Resolution 2.50 Å R-free 0.312

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.

271 other PDB entries and 465 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name 1A02_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–275; UniProt 25–299

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 × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain B; UniProt 21–119 Not recorded HLA-A 0201 × 1 (P01892) TAX PEPTIDE × 1 T CELL RECEPTOR ALPHA × 1 T CELL RECEPTOR BETA × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.1;12% PEG8000, 20MM MOPS, 100MM MAGNESIUM ACETATE,PH7.1 Resolution 2.50 Å R-free 0.312

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 2–100; UniProt 21–119

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 1bd2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1bd2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1bd2
Deposition date deposition_date1998-05-12
Structure title titleCOMPLEX BETWEEN HUMAN T-CELL RECEPTOR B7, VIRAL PEPTIDE (TAX) AND MHC CLASS I MOLECULE HLA-A 0201
Keywords keywordsCOMPLEX (MHC-VIRAL PEPTIDE-RECEPTOR), COMPLEX (MHC-VIRAL PEPTIDE-RECEPTOR) complex; COMPLEX (MHC/VIRAL PEPTIDE/RECEPTOR)
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier36.69
Radius of gyration Rg (electron density) rg_electron36.84
Forward intensity I(0) i0131181000.00
Molecular weight molecular_weight89660.0 kDa
Excluded volume excluded_volume110860 ų
Envelope volume envelope_volume148210 ų
Hydration-shell volume shell_volume36778 ų
Envelope diameter envelope_diameter141.0
Shell Rg shell_rg38.70
Envelope Rg envelope_rg37.28
Shape Rg shape_rg36.83
Total Rg total_rg36.99
Total atoms total_atoms6339
Residues n_residues815
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 dmax131.8
Rg (real space) rg_real37.25
Rg uncertainty (real space) rg_real_error1.49
I(0) (real space) i0_real1.3120e+08
I(0) uncertainty (real space) i0_real_error2.4120e+06
Rg (reciprocal space) rg_reciprocal36.90
I(0) (reciprocal space) i0_reciprocal131100000.0000
Solution quality estimate total_estimate0.7668
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.7
Skewness Skewness skewness0.668
Kurtosis Kurtosis kurtosis-0.118
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha15370000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.586; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.466; Smooth: 0.740

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 14 domains

SCOP 2.08 (7 domains)

Domain ID domain_idd1bd2a1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd1bd2a2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.19 — MHC antigen-recognition domain
Superfamily Superfamily superfamilyd.19.1 — MHC antigen-recognition domain
Family Family familyd.19.1.1 — MHC antigen-recognition domain
Domain ID domain_idd1bd2b_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd1bd2d1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd1bd2d2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd1bd2e1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd1bd2e2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)

CATH v4.4 (7 domains)

Domain ID domain_id1bd2A01
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_id1bd2A02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1bd2B00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1bd2D01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1bd2D02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1bd2E01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1bd2E02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (2)

9. Files and Curves (10)