1FYT
CRYSTAL STRUCTURE OF A COMPLEX OF A HUMAN ALPHA/BETA-T CELL RECEPTOR, INFLUENZA HA ANTIGEN PEPTIDE, AND MHC CLASS II MOLECULE, HLA-DR1
- PDB DOI: https://doi.org/10.2210/pdb1FYT/pdb
- Classification: IMMUNE SYSTEM
- Organism(s): Homo sapiens, H3N2 subtype
- Expression System: Drosophila melanogaster, Escherichia coli
- Mutation(s): Yes 
- Deposited: 2000-10-03 Released: 2000-11-08 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 2.60 Å
- R-Value Free: 0.255 
- R-Value Work: 0.221 
This is version 1.5 of the entry. See complete history. 
Macromolecules
Find similar proteins by:
(by identity cutoff) | 3D Structure
Entity ID: 1 | |||||
---|---|---|---|---|---|
Molecule | Chains | Sequence Length | Organism | Details | Image |
HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, DR ALPHA CHAIN | 181 | Homo sapiens | Mutation(s): 0  | ||
UniProt & NIH Common Fund Data Resources | |||||
Find proteins for P01903 (Homo sapiens) Explore P01903  Go to UniProtKB:  P01903 | |||||
PHAROS:  P01903 GTEx:  ENSG00000204287  | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | P01903 | ||||
Sequence AnnotationsExpand | |||||
|
Find similar proteins by:
(by identity cutoff) | 3D Structure
Entity ID: 2 | |||||
---|---|---|---|---|---|
Molecule | Chains | Sequence Length | Organism | Details | Image |
HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, DR-1 BETA CHAIN | 192 | Homo sapiens | Mutation(s): 0  | ||
UniProt & NIH Common Fund Data Resources | |||||
Find proteins for P01911 (Homo sapiens) Explore P01911  Go to UniProtKB:  P01911 | |||||
PHAROS:  P01911 GTEx:  ENSG00000196126  | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | P01911 | ||||
Sequence AnnotationsExpand | |||||
|
Find similar proteins by: Sequence | 3D Structure
Entity ID: 3 | |||||
---|---|---|---|---|---|
Molecule | Chains | Sequence Length | Organism | Details | Image |
HEMAGGLUTININ HA1 PEPTIDE CHAIN | 13 | H3N2 subtype | Mutation(s): 0  | ||
UniProt | |||||
Find proteins for P03437 (Influenza A virus (strain A/Aichi/2/1968 H3N2)) Explore P03437  Go to UniProtKB:  P03437 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | P03437 | ||||
Sequence AnnotationsExpand | |||||
|
Find similar proteins by:
(by identity cutoff) | 3D Structure
Entity ID: 4 | |||||
---|---|---|---|---|---|
Molecule | Chains | Sequence Length | Organism | Details | Image |
T-CELL RECEPTOR ALPHA CHAIN | 212 | Homo sapiens | Mutation(s): 0  | ||
UniProt & NIH Common Fund Data Resources | |||||
Find proteins for P01848 (Homo sapiens) Explore P01848  Go to UniProtKB:  P01848 | |||||
PHAROS:  P01848 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | P01848 | ||||
Sequence AnnotationsExpand | |||||
|
Find similar proteins by:
(by identity cutoff) | 3D Structure
Entity ID: 5 | |||||
---|---|---|---|---|---|
Molecule | Chains | Sequence Length | Organism | Details | Image |
T-CELL RECEPTOR BETA CHAIN | 245 | Homo sapiens | Mutation(s): 1  | ||
UniProt | |||||
Find proteins for P01850 (Homo sapiens) Explore P01850  Go to UniProtKB:  P01850 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | P01850 | ||||
Sequence AnnotationsExpand | |||||
|
Small Molecules
Ligands 1 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
NAG Query on NAG | F [auth A], G [auth A] | 2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 2.60 Å
- R-Value Free: 0.255 
- R-Value Work: 0.221 
- Space Group: C 1 2 1
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 142.902 | α = 90 |
b = 73.439 | β = 108.23 |
c = 122.428 | γ = 90 |
Software Name | Purpose |
---|---|
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |
CNS | refinement |
Entry History 
Deposition Data
- Released Date: 2000-11-08  Deposition Author(s): Hennecke, J., Carfi, A., Wiley, D.C.
Revision History (Full details and data files)
- Version 1.0: 2000-11-08
Type: Initial release - Version 1.1: 2008-04-27
Changes: Version format compliance - Version 1.2: 2011-07-13
Changes: Non-polymer description, Version format compliance - Version 1.3: 2018-01-31
Changes: Experimental preparation - Version 1.4: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Data collection, Derived calculations, Structure summary - Version 1.5: 2021-11-03
Changes: Database references, Structure summary