1QEW

HUMAN CLASS I HISTOCOMPATIBILITY ANTIGEN (HLA-A 0201) COMPLEX WITH A NONAMERIC PEPTIDE FROM MELANOMA-ASSOCIATED ANTIGEN 3 (RESIDUES 271-279)

• PDB DOI: https://doi.org/10.2210/pdb1QEW/pdb

• Classification: COMPLEX (MHC PROTEINTIGEN)
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 1999-04-02 Released: 2003-11-18 
• Deposition Author(s): Orth, P., Alings, C., Saenger, W., Ziegler, A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.242 
• R-Value Work: 0.204 

Starting Model: experimental

Literature

HUMAN CLASS I HISTOCOMPATIBILITY ANTIGEN (HLA-A 0201) COMPLEX WITH A NONAMERIC PEPTIDE FROM MELANOMA-ASSOCIATED ANTIGEN 3 (RESIDUES 271-279)

Orth, P., Alings, C., Saenger, W., Ziegler, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 44.79 kDa 
• Atom Count: 3,454 
• Modelled Residue Count: 384 
• Deposited Residue Count: 384 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEIN (HLA CLASS I HISTOCOMPATIBILITY ANTIGEN, B-35 B* 3501 ALPHA CHAIN)	A	275	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P04439 (Homo sapiens) Explore P04439  Go to UniProtKB:  P04439
PHAROS:  P04439 GTEx:  ENSG00000206503

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEIN (BETA-2-MICROGLOBULIN)	B	100	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P61769 (Homo sapiens) Explore P61769  Go to UniProtKB:  P61769
PHAROS:  P61769 GTEx:  ENSG00000166710

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEIN (MELANOMA-ASSOCIATED ANTIGEN 3)	C	9	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P43357 (Homo sapiens) Explore P43357  Go to UniProtKB:  P43357
PHAROS:  P43357 GTEx:  ENSG00000221867

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.242 
• R-Value Work: 0.204 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.99	α = 90
b = 54.52	β = 105.67
c = 76.38	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
CNS	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-11-18 
Deposition Author(s): Orth, P., Alings, C., Saenger, W., Ziegler, A.

Revision History  

• Version 1.0: 2003-11-18
  Type: Initial release
  
• Version 1.1: 2008-04-26
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2018-03-07
  Changes: Data collection
• Version 1.4: 2023-08-16
  Changes: Data collection, Database references, Refinement description