SMTL ID : 9c96.1

Cryo-EM structure of TAP binding protein related (TAPBPR) in complex with HLA-A*02:01 bound to a suboptimal peptide.

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-mer

Ligands

1 x LYS- ILE- LEU- GLY- PHE- VAL: LYS-ILE-LEU-GLY-PHE-VAL(Non-covalent)

LYS-ILE-LEU-GLY-PHE-VAL.1: 12 residues within 4Å: Chain A: Y.8, F.10, Y.60, E.64, K.67, H.71, R.98, Y.100, Q.156, Y.160, W.168, Y.172 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:Y.8, A:Y.60, A:Q.156, A:Y.160, A:W.168 Hydrogen bonds: A:Y.8, A:E.64, A:Y.100, A:Y.160, A:Y.172, A:Y.172

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sun, Y. et al., CryoEM structure of an MHC-I/TAPBPR peptide-bound intermediate reveals the mechanism of antigen proofreading. Proc.Natl.Acad.Sci.USA (2025)

Release Date

2025-01-22

Peptides

MHC class I antigen: A
Beta-2-microglobulin: B
Tapasin-related protein: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

MHC class I antigen

Beta-2-microglobulin

Tapasin-related protein