8T4I

Transporter associated with antigen processing (TAP) bound to the 7-mer peptide RRYSTEL

• PDB DOI: https://doi.org/10.2210/pdb8T4I/pdb
• EM Map EMD-41032: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens, synthetic construct
• Expression System: Homo sapiens
• Mutation(s): No 
• Membrane Protein: Yes  PDBTM


• Deposited: 2023-06-09 Released: 2024-06-19 
• Deposition Author(s): Lee, J., Oldham, M.L., Chen, J.
• Funding Organization(s): Howard Hughes Medical Institute (HHMI)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 5.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Transporter associated with antigen processing (TAP) bound to the 7-mer peptide RRYSTEL

Lee, J., Oldham, M.L., Chen, J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 158.62 kDa 
• Atom Count: 7,809 
• Modelled Residue Count: 1,099 
• Deposited Residue Count: 1,448 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Antigen peptide transporter 1	A	748	Homo sapiens	Mutation(s): 0  Gene Names: TAP1, ABCB2, PSF1, RING4, Y3 EC: 7.4.2.14 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q03518 (Homo sapiens) Explore Q03518  Go to UniProtKB:  Q03518
PHAROS:  Q03518 GTEx:  ENSG00000168394

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Antigen peptide transporter 2	B	686	Homo sapiens	Mutation(s): 0  Gene Names: TAP2, ABCB3, PSF2, RING11, Y1 EC: 7.4.2.14 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q03519 (Homo sapiens) Explore Q03519  Go to UniProtKB:  Q03519
PHAROS:  Q03519 GTEx:  ENSG00000204267

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Synthetic 7-mer peptide	C, D	7	synthetic construct	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 5.10 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	4

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-06-19 
Deposition Author(s): Lee, J., Oldham, M.L., Chen, J.

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Funding Organization	Location	Grant Number
Howard Hughes Medical Institute (HHMI)	United States	--

Revision History  

• Version 1.0: 2024-06-19
  Type: Initial release